{"title":"Industrial Engines | Kawasaki","description":"","products":[{"product_id":"70z-ii-long-block-diesel-crate-engine-choate-performance","title":"Kawasaki 70Z-II Wheel Loader Long Block Diesel Crate Engine Choate Performance","description":"\u003ch2\u003e\u003cstrong\u003eKawasaki 70Z-II Wheel Loader Long Block Engine\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe \u003cb\u003e6BTA 5.9L industrial engine\u003c\/b\u003e is the backbone of the Kawasaki 70Z-II, engineered to deliver relentless torque and durability in the most demanding construction and earthmoving environments. Whether you are cycling buckets in a quarry or handling heavy materials on a job site, this remanufactured long block is built to outperform.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eKey Features and Fixes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eVibration Mitigation:\u003c\/b\u003e A fully balanced rotating assembly ensures your wheel loader runs smoothly and quietly. This precision balancing protects your transmission, hydraulic pumps, and drivetrain components from the parasitic vibration that leads to premature wear.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eEnhanced Valve Integrity:\u003c\/b\u003e Features all-new, upgraded exhaust valves designed to withstand the high-cycle heat of heavy-load operations, preventing the valve-head separation that can lead to catastrophic engine failure during critical work hours.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eSuperior Block Protection:\u003c\/b\u003e Billet freeze plugs are installed to eliminate the common \"rot-out\" and leaking associated with standard brass or steel plugs, ensuring your cooling system remains pressurized and reliable under heavy load.\u003cbr\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eMachining Process:\u003c\/h3\u003e\n\u003cp\u003eAt Choate Engineering Performance, we don’t just \"overhaul\" industrial engines; we remanufacture them to surpass original factory specifications. Our 6BTA units undergo rigorous CNC blueprinting to correct OEM flaws, ensuring the ultimate reliability required for high-uptime construction applications.\u003c\/p\u003e\n\u003ch5\u003e\u003cstrong\u003eEngine Block Machining:\u003c\/strong\u003e\u003c\/h5\u003e\n\u003cp\u003eEach of our engine blocks are CNC blueprint machined using state-of-the-art CNC machines. This process ensures perfect dimensions, precise tolerances, and optimal alignment. This starts with decking the surface of the block to achieve the necessary flatness and smoothness (Ra 30 or better) required for flawless sealing with MLS head gaskets. The cylinders are then diamond honed to an extremely tight tolerance to match the piston diameter (within the nearest 0.0001 inch). Following honing, the main bearing bores are line honed to establish a true, straight centerline for the crankshaft. Finally, the cylinder bores are bored to a true 90 degree angle from the crankshaft centerline.\u003c\/p\u003e\n\u003ch5\u003e\u003cstrong\u003eCylinder Head Machining:\u003c\/strong\u003e\u003c\/h5\u003e\n\u003cp\u003eOur cylinder heads are fully machined and enhanced in-house to improve airflow and reliability. Each head is first magnafluxed and pressure tested to ensure they are free of any cracks or leaks. The surface is then precision decked to an extremely smooth finish, guaranteeing the necessary flatness for a perfect seal with MLS head gaskets. Internally, the valve seats are machined to optimize airflow and prevent common failures, and the entire valve train geometry is blueprinted to specific tolerances to reduce lifter preload and prolong component life.\u003c\/p\u003e\n\u003ch5\u003e\u003cstrong\u003eRotational Assembly Balancing:\u003c\/strong\u003e\u003c\/h5\u003e\n\u003cp\u003eThe balancing of the rotational assembly is crucial for eliminating vibration and maximizing engine longevity. This precision work involves checking and correcting the balance of the crankshaft, connecting rods, and pistons. The crankshaft is thoroughly checked for run-out and inspected for fatigue before being polished and ground to strict concentricity tolerances (0.0005 or less) to ensure the new bearings receive the best possible surface. Rods are inspected and conditioned, and all bearing clearances checked to ensure proper fitment with the new bearings. Each of the pistons, rings, and pin retainers are meticulously weight matched (to a tolerance of 2 grams or less) prior to crank balancing. Then the entire assembly is dynamically balanced on specialized equipment. This ensures that the engine runs smoothly, minimizing stress on the bearings, and extends the overall life of the components.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eComponents and Parts:\u003c\/h3\u003e\n\u003ch5\u003e\u003cstrong\u003eEngine Core Components\u003c\/strong\u003e\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003eEngine Block\u003c\/li\u003e\n\u003cli\u003eCrankshaft\u003c\/li\u003e\n\u003cli\u003eSteel Connecting Rods\u003c\/li\u003e\n\u003cli\u003eCamshaft\u003c\/li\u003e\n\u003cli\u003eNew Pistons\u003c\/li\u003e\n\u003cli\u003eReman Cylinder Head\u003c\/li\u003e\n\u003cli\u003ePushrods\u003c\/li\u003e\n\u003cli\u003eNew Main Bearings\u003c\/li\u003e\n\u003cli\u003eNew Rod Bearings\u003c\/li\u003e\n\u003cli\u003eNew Cam Bearings\u003c\/li\u003e\n\u003cli\u003eMain Bolts\u003c\/li\u003e\n\u003cli\u003eHead Studs\u003c\/li\u003e\n\u003cli\u003eRockers\u003c\/li\u003e\n\u003cli\u003eBillet Freeze Plugs\u003c\/li\u003e\n\u003cli\u003eNew Oil Pump\u003c\/li\u003e\n\u003cli\u003eUpper Oil Pan\u003c\/li\u003e\n\u003cli\u003eLower Oil Pan\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003e\u003cstrong\u003eGaskets and Seals\u003c\/strong\u003e\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003eNew Head Gaskets\u003c\/li\u003e\n\u003cli\u003eRear Main Seal\u003c\/li\u003e\n\u003cli\u003eFront Gear Housing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003e\u003cstrong\u003eCylinder Head Components\u003c\/strong\u003e\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003eNew Valve Guides\u003c\/li\u003e\n\u003cli\u003eNew Socket Plug\u003c\/li\u003e\n\u003cli\u003eNew Oversized Valve Seats\u003c\/li\u003e\n\u003cli\u003eNew Threaded Plugs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eIndustrial Reliability: 2 Year \/ 2,000 Hour Warranty\u003c\/h3\u003e\n\u003cp\u003eWhen your machine is on the clock, downtime isn't just an inconvenience, it’s a loss of revenue. At Choate, we stand behind the precision engineering of our \u003cstrong\u003eKawasaki 70Z-II\u003c\/strong\u003e engines with a comprehensive \u003cb\u003e2-Year \/ 2,000-Hour Warranty\u003c\/b\u003e.\u003c\/p\u003e\n\u003cp\u003eWe understand that construction environments are among the most punishing on equipment. From high-load digging to constant idling and rapid throttle transitions, our warranty is designed to give you total peace of mind. Whether you are a fleet manager or an owner-operator, we ensure your investment is protected against defects in materials and workmanship.\u003c\/p\u003e","brand":"Choate Performance","offers":[{"title":"Default Title","offer_id":66581757100336,"sku":"CEP70Z2L","price":10200.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0941\/2680\/1200\/files\/KawasakiLongBlockEngine1.png?v=1779726562"},{"product_id":"70z-ii-long-block-diesel-crate-engine-choate-performance-copy","title":"Kawasaki 70Z-III Wheel Loader Long Block Diesel Crate Engine Choate Performance","description":"\u003ch2\u003e\u003cstrong\u003eKawasaki 70Z-III Wheel Loader Long Block Engine\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe \u003cb\u003e6BTA 5.9L industrial engine\u003c\/b\u003e is the backbone of the Kawasaki 70Z-III, engineered to deliver relentless torque and durability in the most demanding construction and earthmoving environments. Whether you are cycling buckets in a quarry or handling heavy materials on a job site, this remanufactured long block is built to outperform.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eKey Features and Fixes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eVibration Mitigation:\u003c\/b\u003e A fully balanced rotating assembly ensures your wheel loader runs smoothly and quietly. This precision balancing protects your transmission, hydraulic pumps, and drivetrain components from the parasitic vibration that leads to premature wear.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eEnhanced Valve Integrity:\u003c\/b\u003e Features all-new, upgraded exhaust valves designed to withstand the high-cycle heat of heavy-load operations, preventing the valve-head separation that can lead to catastrophic engine failure during critical work hours.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eSuperior Block Protection:\u003c\/b\u003e Billet freeze plugs are installed to eliminate the common \"rot-out\" and leaking associated with standard brass or steel plugs, ensuring your cooling system remains pressurized and reliable under heavy load.\u003cbr\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eMachining Process:\u003c\/h3\u003e\n\u003cp\u003eAt Choate Engineering Performance, we don’t just \"overhaul\" industrial engines; we remanufacture them to surpass original factory specifications. Our 6BTA units undergo rigorous CNC blueprinting to correct OEM flaws, ensuring the ultimate reliability required for high-uptime construction applications.\u003c\/p\u003e\n\u003ch5\u003e\u003cstrong\u003eEngine Block Machining:\u003c\/strong\u003e\u003c\/h5\u003e\n\u003cp\u003eEach of our engine blocks are CNC blueprint machined using state-of-the-art CNC machines. This process ensures perfect dimensions, precise tolerances, and optimal alignment. This starts with decking the surface of the block to achieve the necessary flatness and smoothness (Ra 30 or better) required for flawless sealing with MLS head gaskets. The cylinders are then diamond honed to an extremely tight tolerance to match the piston diameter (within the nearest 0.0001 inch). Following honing, the main bearing bores are line honed to establish a true, straight centerline for the crankshaft. Finally, the cylinder bores are bored to a true 90 degree angle from the crankshaft centerline.\u003c\/p\u003e\n\u003ch5\u003e\u003cstrong\u003eCylinder Head Machining:\u003c\/strong\u003e\u003c\/h5\u003e\n\u003cp\u003eOur cylinder heads are fully machined and enhanced in-house to improve airflow and reliability. Each head is first magnafluxed and pressure tested to ensure they are free of any cracks or leaks. The surface is then precision decked to an extremely smooth finish, guaranteeing the necessary flatness for a perfect seal with MLS head gaskets. Internally, the valve seats are machined to optimize airflow and prevent common failures, and the entire valve train geometry is blueprinted to specific tolerances to reduce lifter preload and prolong component life.\u003c\/p\u003e\n\u003ch5\u003e\u003cstrong\u003eRotational Assembly Balancing:\u003c\/strong\u003e\u003c\/h5\u003e\n\u003cp\u003eThe balancing of the rotational assembly is crucial for eliminating vibration and maximizing engine longevity. This precision work involves checking and correcting the balance of the crankshaft, connecting rods, and pistons. The crankshaft is thoroughly checked for run-out and inspected for fatigue before being polished and ground to strict concentricity tolerances (0.0005 or less) to ensure the new bearings receive the best possible surface. Rods are inspected and conditioned, and all bearing clearances checked to ensure proper fitment with the new bearings. Each of the pistons, rings, and pin retainers are meticulously weight matched (to a tolerance of 2 grams or less) prior to crank balancing. Then the entire assembly is dynamically balanced on specialized equipment. This ensures that the engine runs smoothly, minimizing stress on the bearings, and extends the overall life of the components.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eComponents and Parts:\u003c\/h3\u003e\n\u003ch5\u003e\u003cstrong\u003eEngine Core Components\u003c\/strong\u003e\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003eEngine Block\u003c\/li\u003e\n\u003cli\u003eCrankshaft\u003c\/li\u003e\n\u003cli\u003eSteel Connecting Rods\u003c\/li\u003e\n\u003cli\u003eCamshaft\u003c\/li\u003e\n\u003cli\u003eNew Pistons\u003c\/li\u003e\n\u003cli\u003eReman Cylinder Head\u003c\/li\u003e\n\u003cli\u003ePushrods\u003c\/li\u003e\n\u003cli\u003eNew Main Bearings\u003c\/li\u003e\n\u003cli\u003eNew Rod Bearings\u003c\/li\u003e\n\u003cli\u003eNew Cam Bearings\u003c\/li\u003e\n\u003cli\u003eMain Bolts\u003c\/li\u003e\n\u003cli\u003eHead Studs\u003c\/li\u003e\n\u003cli\u003eRockers\u003c\/li\u003e\n\u003cli\u003eBillet Freeze Plugs\u003c\/li\u003e\n\u003cli\u003eNew Oil Pump\u003c\/li\u003e\n\u003cli\u003eUpper Oil Pan\u003c\/li\u003e\n\u003cli\u003eLower Oil Pan\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003e\u003cstrong\u003eGaskets and Seals\u003c\/strong\u003e\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003eNew Head Gaskets\u003c\/li\u003e\n\u003cli\u003eRear Main Seal\u003c\/li\u003e\n\u003cli\u003eFront Gear Housing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003e\u003cstrong\u003eCylinder Head Components\u003c\/strong\u003e\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003eNew Valve Guides\u003c\/li\u003e\n\u003cli\u003eNew Socket Plug\u003c\/li\u003e\n\u003cli\u003eNew Oversized Valve Seats\u003c\/li\u003e\n\u003cli\u003eNew Threaded Plugs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eIndustrial Reliability: 2 Year \/ 2,000 Hour Warranty\u003c\/h3\u003e\n\u003cp\u003eWhen your machine is on the clock, downtime isn't just an inconvenience, it’s a loss of revenue. At Choate, we stand behind the precision engineering of our \u003cstrong\u003eKawasaki 70Z-III\u003c\/strong\u003e engines with a comprehensive \u003cb\u003e2-Year \/ 2,000-Hour Warranty\u003c\/b\u003e.\u003c\/p\u003e\n\u003cp\u003eWe understand that construction environments are among the most punishing on equipment. From high-load digging to constant idling and rapid throttle transitions, our warranty is designed to give you total peace of mind. Whether you are a fleet manager or an owner-operator, we ensure your investment is protected against defects in materials and workmanship.\u003c\/p\u003e","brand":"Choate Performance","offers":[{"title":"Default Title","offer_id":66581760049456,"sku":"CEP70Z3L","price":10200.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0941\/2680\/1200\/files\/KawasakiLongBlockEngine1.png?v=1779726562"},{"product_id":"70z-iii-long-block-diesel-crate-engine-choate-performance-copy","title":"Kawasaki 70Z-IV Wheel Loader Long Block Diesel Crate Engine Choate Performance","description":"\u003ch2\u003e\u003cstrong\u003eKawasaki 70Z-IV Wheel Loader Long Block Engine\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe \u003cb data-path-to-node=\"3\" data-index-in-node=\"4\"\u003eB5.9-C industrial engine\u003c\/b\u003e is the legendary workhorse powering the Kawasaki 70Z-IV. Known for its mechanical simplicity and relentless torque, this engine is designed to handle the high-stress cycles of earthmoving and material handling. Our remanufactured long block takes this proven platform and applies modern precision machining to eliminate factory weak points and maximize your machine's uptime.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eKey Features and Fixes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,0,0\"\u003e\u003cb data-path-to-node=\"5,0,0\" data-index-in-node=\"0\"\u003eVibration Mitigation:\u003c\/b\u003e A fully balanced rotating assembly ensures your wheel loader operates with minimal harmonic distortion. This protects your hydraulic pumps, transmission, and mounting hardware from the steady vibration that leads to component fatigue and costly leaks.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,1,0\"\u003e\u003cb data-path-to-node=\"5,1,0\" data-index-in-node=\"0\"\u003eEnhanced Valve Integrity:\u003c\/b\u003e We install all-new, upgraded exhaust valves designed to withstand the high-heat cycles of constant digging and loading. This prevents valve-head separation, a common cause of catastrophic failure in heavy-duty industrial applications.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,2,0\"\u003e\u003cb data-path-to-node=\"5,2,0\" data-index-in-node=\"0\"\u003eReliable Cooling Integrity:\u003c\/b\u003e Billet freeze plugs are installed to replace the standard stamped steel or brass plugs. This prevents the \"blow-out\" or corrosion-related leaks that can lead to overheating and engine seizure in the middle of a shift.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,3,0\"\u003e\u003cb data-path-to-node=\"5,3,0\" data-index-in-node=\"0\"\u003eOptimized for Load:\u003c\/b\u003e Every aspect of this build is engineered to handle the rapid throttle transitions and high-torque demands characteristic of the Kawasaki 70Z-IV’s duty cycle.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eMachining Process:\u003c\/h3\u003e\n\u003cp\u003eAt Choate Engineering Performance, we don’t just \"fix\" engines; we remanufacture the B5.9-C to surpass original factory specifications using advanced CNC blueprinting.\u003c\/p\u003e\n\u003ch5\u003e\u003cstrong\u003eEngine Block Machining:\u003c\/strong\u003e\u003c\/h5\u003e\n\u003cp\u003eEach of our engine blocks are CNC blueprint machined using state-of-the-art CNC machines. This process ensures perfect dimensions, precise tolerances, and optimal alignment. This starts with decking the surface of the block to achieve the necessary flatness and smoothness (Ra 30 or better) required for flawless sealing with MLS head gaskets. The cylinders are then diamond honed to an extremely tight tolerance to match the piston diameter (within the nearest 0.0001 inch). Following honing, the main bearing bores are line honed to establish a true, straight centerline for the crankshaft. Finally, the cylinder bores are bored to a true 90 degree angle from the crankshaft centerline.\u003c\/p\u003e\n\u003ch5\u003e\u003cstrong\u003eCylinder Head Machining:\u003c\/strong\u003e\u003c\/h5\u003e\n\u003cp\u003eOur cylinder heads are fully machined and enhanced in-house to improve airflow and reliability. Each head is first magnafluxed and pressure tested to ensure they are free of any cracks or leaks. The surface is then precision decked to an extremely smooth finish, guaranteeing the necessary flatness for a perfect seal with MLS head gaskets. Internally, the valve seats are machined to optimize airflow and prevent common failures, and the entire valve train geometry is blueprinted to specific tolerances to reduce lifter preload and prolong component life.\u003c\/p\u003e\n\u003ch5\u003e\u003cstrong\u003eRotational Assembly Balancing:\u003c\/strong\u003e\u003c\/h5\u003e\n\u003cp\u003eThe balancing of the rotational assembly is crucial for eliminating vibration and maximizing engine longevity. This precision work involves checking and correcting the balance of the crankshaft, connecting rods, and pistons. The crankshaft is thoroughly checked for run-out and inspected for fatigue before being polished and ground to strict concentricity tolerances (0.0005 or less) to ensure the new bearings receive the best possible surface. Rods are inspected and conditioned, and all bearing clearances checked to ensure proper fitment with the new bearings. Each of the pistons, rings, and pin retainers are meticulously weight matched (to a tolerance of 2 grams or less) prior to crank balancing. Then the entire assembly is dynamically balanced on specialized equipment. This ensures that the engine runs smoothly, minimizing stress on the bearings, and extends the overall life of the components.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eComponents and Parts:\u003c\/h3\u003e\n\u003ch5\u003e\u003cstrong\u003eEngine Core Components\u003c\/strong\u003e\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003eCylinder Block\u003c\/li\u003e\n\u003cli\u003eCrankshaft\u003c\/li\u003e\n\u003cli\u003eSteel Connecting Rods\u003c\/li\u003e\n\u003cli\u003eCamshaft\u003c\/li\u003e\n\u003cli\u003ePistons\u003c\/li\u003e\n\u003cli\u003eReman Cylinder Head\u003c\/li\u003e\n\u003cli\u003ePushrods\u003c\/li\u003e\n\u003cli\u003eNew Main Bearings\u003c\/li\u003e\n\u003cli\u003eNew Rod Bearings\u003c\/li\u003e\n\u003cli\u003eNew Cam Bearings\u003c\/li\u003e\n\u003cli\u003eMain Bolts\u003c\/li\u003e\n\u003cli\u003eHead Studs\u003c\/li\u003e\n\u003cli\u003eRockers\u003c\/li\u003e\n\u003cli\u003eBillet Freeze Plugs\u003c\/li\u003e\n\u003cli\u003eNew Oil Pump\u003c\/li\u003e\n\u003cli\u003eUpper Oil Pan\u003c\/li\u003e\n\u003cli\u003eLower Oil Pan\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003e\u003cstrong\u003eGaskets and Seals\u003c\/strong\u003e\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003eNew Head Gaskets\u003c\/li\u003e\n\u003cli\u003eRear Main Seal\u003c\/li\u003e\n\u003cli\u003eFront Gear Housing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003e\u003cstrong\u003eCylinder Head Components\u003c\/strong\u003e\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003eNew Valve Guides\u003c\/li\u003e\n\u003cli\u003eNew Socket Plug\u003c\/li\u003e\n\u003cli\u003eNew Oversized Valve Seats\u003c\/li\u003e\n\u003cli\u003eNew Threaded Plugs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3 data-path-to-node=\"16\"\u003eConstruction-Grade Confidence: 2 Year \/ 2,000 Hour Warranty\u003c\/h3\u003e\n\u003cp data-path-to-node=\"17\"\u003eIn the construction world, if the loader isn't moving, the job isn't making money. At Choate, we stand behind the durability of our \u003cb data-path-to-node=\"17\" data-index-in-node=\"132\"\u003eB5.9-C Long Block Engines\u003c\/b\u003e with a comprehensive \u003cb data-path-to-node=\"17\" data-index-in-node=\"179\"\u003e2-Year \/ 2,000-Hour Warranty\u003c\/b\u003e.\u003c\/p\u003e\n\u003cp data-path-to-node=\"18\"\u003eWe understand that the Kawasaki 70Z-IV is often the centerpiece of a fleet, subjected to dust, heat, and heavy loads. Our warranty is built to provide peace of mind to owner-operators and fleet managers alike, ensuring that your investment is protected by the highest standards of American engineering and craftsmanship.\u003c\/p\u003e","brand":"Choate Performance","offers":[{"title":"Default Title","offer_id":66581774008624,"sku":"CEP70Z4L","price":10200.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0941\/2680\/1200\/files\/KawasakiLongBlockEngine1.png?v=1779726562"},{"product_id":"70z-iv-long-block-diesel-crate-engine-choate-performance-copy","title":"Kawasaki 70ZV Wheel Loader Long Block Diesel Crate Engine Choate Performance","description":"\u003ch2\u003e\u003cstrong\u003eKawasaki 70ZV Wheel Loader Long Block Engine\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan class=\"citation-19\"\u003eThe \u003c\/span\u003e\u003cb data-path-to-node=\"3\" data-index-in-node=\"4\"\u003e\u003cspan class=\"citation-19\"\u003eQSB5.9 Cummins platform\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-19 citation-end-19\"\u003e is the high-performance heart of the Kawasaki 70ZV.\u003csup class=\"superscript\" data-turn-source-index=\"1\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003cspan class=\"citation-18 citation-end-18\"\u003eUtilizing a 24-valve cylinder head and advanced electronic controls, this engine is designed to provide the rapid throttle response and heavy-lifting power required for high-cycle wheel loader applications.\u003csup class=\"superscript\" data-turn-source-index=\"2\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e Our remanufactured long block is engineered to exceed OEM standards, ensuring your machine stays out of the shop and on the job site.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eKey Features and Fixes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,0,0\" id=\"p-rc_93f64ec50d96a4e0-20\"\u003e\u003cb data-path-to-node=\"5,0,0\" data-index-in-node=\"0\"\u003e\u003cspan class=\"citation-17\"\u003eVibration Mitigation:\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-17 citation-end-17\"\u003e A fully balanced rotating assembly ensures your loader operates with maximum smoothness.\u003csup class=\"superscript\" data-turn-source-index=\"3\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e By eliminating internal harmonics, we protect your hydraulic pump drives, transmission, and operator comfort from the parasitic vibrations that lead to premature wear.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb data-path-to-node=\"5,1,0\" data-index-in-node=\"0\"\u003eEnhanced Valve Integrity:\u003c\/b\u003e Features all-new, upgraded exhaust valves designed for the high-thermal loads of Tier-series engines. \u003cspan class=\"citation-16 citation-end-16\"\u003eThis prevents the valve-head separation common in high-hour industrial engines, protecting your investment from catastrophic failure.\u003csup class=\"superscript\" data-turn-source-index=\"4\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"citation-16 citation-end-16\"\u003e\u003cb data-path-to-node=\"5,2,0\" data-index-in-node=\"0\"\u003eIndustrial Cooling Security:\u003c\/b\u003e We install billet freeze plugs to eliminate the \"rot-out\" and pressure leaks associated with standard stamped steel plugs. This ensures your cooling system remains reliable even under the extreme pressures of heavy material handling.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"citation-16 citation-end-16\"\u003e\u003cb data-path-to-node=\"5,3,0\" data-index-in-node=\"0\"\u003eBlueprint Precision:\u003c\/b\u003e Rather than a simple rebuild, our QSB5.9 engines undergo full CNC blueprinting to correct factory casting inconsistencies, providing a more durable and efficient foundation than a standard factory exchange.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eMachining Process:\u003c\/h3\u003e\n\u003cp\u003e\u003cspan class=\"citation-15\"\u003eAt \u003c\/span\u003e\u003cspan class=\"citation-15\"\u003eChoate Engineering Performance\u003c\/span\u003e\u003cspan class=\"citation-15 citation-end-15\"\u003e, we remanufacture the QSB5.9 to surpass original factory specifications.\u003csup class=\"superscript\" data-turn-source-index=\"5\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e Our process utilizes rigorous CNC blueprinting to ensure the extreme reliability required for heavy-duty earthmoving.\u003c\/p\u003e\n\u003ch5\u003e\u003cstrong\u003eEngine Block Machining:\u003c\/strong\u003e\u003c\/h5\u003e\n\u003cp\u003eEach of our engine blocks are CNC blueprint machined using state-of-the-art CNC machines. This process ensures perfect dimensions, precise tolerances, and optimal alignment. This starts with decking the surface of the block to achieve the necessary flatness and smoothness (Ra 30 or better) required for flawless sealing with MLS head gaskets. The cylinders are then diamond honed to an extremely tight tolerance to match the piston diameter (within the nearest 0.0001 inch). Following honing, the main bearing bores are line honed to establish a true, straight centerline for the crankshaft. Finally, the cylinder bores are bored to a true 90 degree angle from the crankshaft centerline.\u003c\/p\u003e\n\u003ch5\u003e\u003cstrong\u003eCylinder Head Machining:\u003c\/strong\u003e\u003c\/h5\u003e\n\u003cp\u003eOur cylinder heads are fully machined and enhanced in-house to improve airflow and reliability. Each head is first magnafluxed and pressure tested to ensure they are free of any cracks or leaks. The surface is then precision decked to an extremely smooth finish, guaranteeing the necessary flatness for a perfect seal with MLS head gaskets. Internally, the valve seats are machined to optimize airflow and prevent common failures, and the entire valve train geometry is blueprinted to specific tolerances to reduce lifter preload and prolong component life.\u003c\/p\u003e\n\u003ch5\u003e\u003cstrong\u003eRotational Assembly Balancing:\u003c\/strong\u003e\u003c\/h5\u003e\n\u003cp\u003eThe balancing of the rotational assembly is crucial for eliminating vibration and maximizing engine longevity. This precision work involves checking and correcting the balance of the crankshaft, connecting rods, and pistons. The crankshaft is thoroughly checked for run-out and inspected for fatigue before being polished and ground to strict concentricity tolerances (0.0005 or less) to ensure the new bearings receive the best possible surface. Rods are inspected and conditioned, and all bearing clearances checked to ensure proper fitment with the new bearings. Each of the pistons, rings, and pin retainers are meticulously weight matched (to a tolerance of 2 grams or less) prior to crank balancing. Then the entire assembly is dynamically balanced on specialized equipment. This ensures that the engine runs smoothly, minimizing stress on the bearings, and extends the overall life of the components.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eComponents and Parts:\u003c\/h3\u003e\n\u003ch5\u003e\u003cstrong\u003eEngine Core Components\u003c\/strong\u003e\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003eCylinder Block\u003c\/li\u003e\n\u003cli\u003eCrankshaft\u003c\/li\u003e\n\u003cli\u003eSteel Connecting Rods\u003c\/li\u003e\n\u003cli\u003eCamshaft\u003c\/li\u003e\n\u003cli\u003ePistons\u003c\/li\u003e\n\u003cli\u003eReman Cylinder Head\u003c\/li\u003e\n\u003cli\u003ePushrods\u003c\/li\u003e\n\u003cli\u003eNew Main Bearings\u003c\/li\u003e\n\u003cli\u003eNew Rod Bearings\u003c\/li\u003e\n\u003cli\u003eNew Cam Bearings\u003c\/li\u003e\n\u003cli\u003eMain Bolts\u003c\/li\u003e\n\u003cli\u003eHead Studs\u003c\/li\u003e\n\u003cli\u003eRockers\u003c\/li\u003e\n\u003cli\u003eBillet Freeze Plugs\u003c\/li\u003e\n\u003cli\u003eNew Oil Pump\u003c\/li\u003e\n\u003cli\u003eUpper Oil Pan\u003c\/li\u003e\n\u003cli\u003eLower Oil Pan\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003e\u003cstrong\u003eGaskets and Seals\u003c\/strong\u003e\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003eNew Head Gaskets\u003c\/li\u003e\n\u003cli\u003eRear Main Seal\u003c\/li\u003e\n\u003cli\u003eFront Gear Housing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003e\u003cstrong\u003eCylinder Head Components\u003c\/strong\u003e\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003eNew Valve Guides\u003c\/li\u003e\n\u003cli\u003eNew Socket Plug\u003c\/li\u003e\n\u003cli\u003eNew Oversized Valve Seats\u003c\/li\u003e\n\u003cli\u003eNew Threaded Plugs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3 data-path-to-node=\"16\"\u003eConstruction-Grade Confidence: 2 Year \/ 2,000 Hour Warranty\u003c\/h3\u003e\n\u003cp data-path-to-node=\"17\"\u003eIn the dirt and gravel business, downtime is the enemy. At Choate, we stand behind the precision engineering of our \u003cb data-path-to-node=\"17\" data-index-in-node=\"116\"\u003eQSB5.9 Long Block Engines\u003c\/b\u003e with a comprehensive \u003cb data-path-to-node=\"17\" data-index-in-node=\"163\"\u003e2-Year \/ 2,000-Hour Warranty\u003c\/b\u003e.\u003c\/p\u003e\n\u003cp data-path-to-node=\"18\"\u003eWe understand that the Kawasaki 70ZV is expected to perform in harsh, dusty, and high-heat environments. Our warranty is designed to give fleet managers and owner-operators total peace of mind, ensuring that your remanufactured engine is protected against defects in materials and workmanship for the long haul.\u003c\/p\u003e","brand":"Choate Performance","offers":[{"title":"Default Title","offer_id":66581790228784,"sku":"CEP70Z5L","price":12900.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0941\/2680\/1200\/files\/KawasakiLongBlockEngine1.png?v=1779726562"},{"product_id":"70zv-long-block-diesel-crate-engine-choate-performance-copy","title":"Kawasaki 70ZV-2 Wheel Loader Long Block Diesel Crate Engine Choate Performance","description":"\u003ch2\u003e\u003cstrong\u003eKawasaki 70ZV-2 Wheel Loader Long Block Engine\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe \u003cb\u003eQSB6.7 Cummins platform\u003c\/b\u003e is the heart of the Kawasaki 70ZV-2, engineered to provide the high-torque performance and rapid response required for heavy-duty earthmoving. Whether you’re operating in a high-production quarry or a demanding construction site, this remanufactured long block is built to withstand the rigors of high-cycle loading.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eKey Features and Fixes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eVibration Mitigation:\u003c\/b\u003e A fully balanced rotating assembly ensures your wheel loader operates smoothly. This precision balancing protects your transmission and hydraulic pump drives from the parasitic vibrations that cause premature fatigue in industrial drivetrains.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eEnhanced Valve Integrity:\u003c\/b\u003e Features all-new, upgraded exhaust valves designed to eliminate high-heat separation. This prevents catastrophic engine failure during the sustained high-load cycles common in heavy material handling.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eIndustrial-Grade Protection:\u003c\/b\u003e Billet freeze plugs are installed to eliminate the \"rot-out\" and weeping common with standard brass or steel plugs, ensuring your cooling system remains intact through extreme temperature fluctuations.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003ePrecision Remanufacturing:\u003c\/b\u003e Unlike a standard \"patch job\" overhaul, this long block is blueprint-machined to solve OEM discrepancies, providing a more reliable foundation than a standard factory replacement.\u003cbr\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eMachining Process:\u003c\/h3\u003e\n\u003cp\u003eAt Choate Engineering Performance, we remanufacture QSB6.7 engines to surpass original factory specifications. Our process involves rigorous CNC blueprinting to ensure the ultimate reliability required for high-uptime industrial applications.\u003c\/p\u003e\n\u003ch5\u003e\u003cstrong\u003eEngine Block Machining:\u003c\/strong\u003e\u003c\/h5\u003e\n\u003cp\u003eEach of our engine blocks are CNC blueprint machined using state-of-the-art CNC machines. This process ensures perfect dimensions, precise tolerances, and optimal alignment. This starts with decking the surface of the block to achieve the necessary flatness and smoothness (Ra 30 or better) required for flawless sealing with MLS head gaskets. The cylinders are then diamond honed to an extremely tight tolerance to match the piston diameter (within the nearest 0.0001 inch). Following honing, the main bearing bores are line honed to establish a true, straight centerline for the crankshaft. Finally, the cylinder bores are bored to a true 90 degree angle from the crankshaft centerline.\u003c\/p\u003e\n\u003ch5\u003e\u003cstrong\u003eCylinder Head Machining:\u003c\/strong\u003e\u003c\/h5\u003e\n\u003cp\u003eOur cylinder heads are fully machined and enhanced in-house to improve airflow and reliability. Each head is first magnafluxed and pressure tested to ensure they are free of any cracks or leaks. The surface is then precision decked to an extremely smooth finish, guaranteeing the necessary flatness for a perfect seal with MLS head gaskets. Internally, the valve seats are machined to optimize airflow and prevent common failures, and the entire valve train geometry is blueprinted to specific tolerances to reduce lifter preload and prolong component life.\u003c\/p\u003e\n\u003ch5\u003e\u003cstrong\u003eRotational Assembly Balancing:\u003c\/strong\u003e\u003c\/h5\u003e\n\u003cp\u003eThe balancing of the rotational assembly is crucial for eliminating vibration and maximizing engine longevity. This precision work involves checking and correcting the balance of the crankshaft, connecting rods, and pistons. The crankshaft is thoroughly checked for run-out and inspected for fatigue before being polished and ground to strict concentricity tolerances (0.0005 or less) to ensure the new bearings receive the best possible surface. Rods are inspected and conditioned, and all bearing clearances checked to ensure proper fitment with the new bearings. Each of the pistons, rings, and pin retainers are meticulously weight matched (to a tolerance of 2 grams or less) prior to crank balancing. Then the entire assembly is dynamically balanced on specialized equipment. This ensures that the engine runs smoothly, minimizing stress on the bearings, and extends the overall life of the components.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eComponents and Parts:\u003c\/h3\u003e\n\u003ch5\u003e\u003cstrong\u003eEngine Core Components\u003c\/strong\u003e\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003eCylinder Block\u003c\/li\u003e\n\u003cli\u003eCrankshaft\u003c\/li\u003e\n\u003cli\u003eSteel Connecting Rods\u003c\/li\u003e\n\u003cli\u003eCamshaft\u003c\/li\u003e\n\u003cli\u003ePistons\u003c\/li\u003e\n\u003cli\u003eReman Cylinder Head\u003c\/li\u003e\n\u003cli\u003ePushrods\u003c\/li\u003e\n\u003cli\u003eNew Main Bearings\u003c\/li\u003e\n\u003cli\u003eNew Rod Bearings\u003c\/li\u003e\n\u003cli\u003eNew Cam Bearings\u003c\/li\u003e\n\u003cli\u003eMain Bolts\u003c\/li\u003e\n\u003cli\u003eHead Studs\u003c\/li\u003e\n\u003cli\u003eRockers\u003c\/li\u003e\n\u003cli\u003eBillet Freeze Plugs\u003c\/li\u003e\n\u003cli\u003eNew Oil Pump\u003c\/li\u003e\n\u003cli\u003eUpper Oil Pan\u003c\/li\u003e\n\u003cli\u003eLower Oil Pan\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003e\u003cstrong\u003eGaskets and Seals\u003c\/strong\u003e\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003eNew Head Gaskets\u003c\/li\u003e\n\u003cli\u003eRear Main Seal\u003c\/li\u003e\n\u003cli\u003eFront Gear Housing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003e\u003cstrong\u003eCylinder Head Components\u003c\/strong\u003e\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003eNew Valve Guides\u003c\/li\u003e\n\u003cli\u003eNew Socket Plug\u003c\/li\u003e\n\u003cli\u003eNew Oversized Valve Seats\u003c\/li\u003e\n\u003cli\u003eNew Threaded Plugs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eIndustrial Reliability: 2 Year \/ 2,000 Hour Warranty\u003c\/h3\u003e\n\u003cp\u003eOn the job site, reliability isn't just a luxury, it’s the difference between profit and loss. At Choate, we stand behind the precision engineering of our \u003cb\u003eQSB6.7 Long Block Engines\u003c\/b\u003e with a comprehensive \u003cb\u003e2-Year \/ 2,000-Hour Warranty\u003c\/b\u003e.\u003c\/p\u003e\n\u003cp\u003eWe understand that wheel loaders face some of the most punishing environments, from high-idle periods to wide-open throttle transitions under heavy load. Our warranty is designed to give you total peace of mind while you work. Whether you are managing a large fleet or operating as an independent contractor, we ensure your investment is protected against defects in materials and workmanship.\u003c\/p\u003e","brand":"Choate Performance","offers":[{"title":"Default Title","offer_id":66581806088496,"sku":"CEP70Z52L","price":12900.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0941\/2680\/1200\/files\/KawasakiLongBlockEngine1.png?v=1779726562"},{"product_id":"70zv-2-long-block-diesel-crate-engine-choate-performance-copy","title":"Kawasaki 70TMV-2 Wheel Loader Long Block Diesel Crate Engine Choate Performance","description":"\u003ch2\u003e\u003cstrong\u003eKawasaki 70TMV-2 Wheel Loader Long Block Engine\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe \u003cb\u003eQSB6.7 Cummins platform\u003c\/b\u003e is the heart of the Kawasaki 70TMV-2, engineered to provide the high-torque performance and rapid response required for heavy-duty earthmoving. Whether you’re operating in a high-production quarry or a demanding construction site, this remanufactured long block is built to withstand the rigors of high-cycle loading.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eKey Features and Fixes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eVibration Mitigation:\u003c\/b\u003e A fully balanced rotating assembly ensures your wheel loader operates smoothly. This precision balancing protects your transmission and hydraulic pump drives from the parasitic vibrations that cause premature fatigue in industrial drivetrains.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eEnhanced Valve Integrity:\u003c\/b\u003e Features all-new, upgraded exhaust valves designed to eliminate high-heat separation. This prevents catastrophic engine failure during the sustained high-load cycles common in heavy material handling.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eIndustrial-Grade Protection:\u003c\/b\u003e Billet freeze plugs are installed to eliminate the \"rot-out\" and weeping common with standard brass or steel plugs, ensuring your cooling system remains intact through extreme temperature fluctuations.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003ePrecision Remanufacturing:\u003c\/b\u003e Unlike a standard \"patch job\" overhaul, this long block is blueprint-machined to solve OEM discrepancies, providing a more reliable foundation than a standard factory replacement.\u003cbr\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eMachining Process:\u003c\/h3\u003e\n\u003cp\u003eAt Choate Engineering Performance, we remanufacture QSB6.7 engines to surpass original factory specifications. Our process involves rigorous CNC blueprinting to ensure the ultimate reliability required for high-uptime industrial applications.\u003c\/p\u003e\n\u003ch5\u003e\u003cstrong\u003eEngine Block Machining:\u003c\/strong\u003e\u003c\/h5\u003e\n\u003cp\u003eEach of our engine blocks are CNC blueprint machined using state-of-the-art CNC machines. This process ensures perfect dimensions, precise tolerances, and optimal alignment. This starts with decking the surface of the block to achieve the necessary flatness and smoothness (Ra 30 or better) required for flawless sealing with MLS head gaskets. The cylinders are then diamond honed to an extremely tight tolerance to match the piston diameter (within the nearest 0.0001 inch). Following honing, the main bearing bores are line honed to establish a true, straight centerline for the crankshaft. Finally, the cylinder bores are bored to a true 90 degree angle from the crankshaft centerline.\u003c\/p\u003e\n\u003ch5\u003e\u003cstrong\u003eCylinder Head Machining:\u003c\/strong\u003e\u003c\/h5\u003e\n\u003cp\u003eOur cylinder heads are fully machined and enhanced in-house to improve airflow and reliability. Each head is first magnafluxed and pressure tested to ensure they are free of any cracks or leaks. The surface is then precision decked to an extremely smooth finish, guaranteeing the necessary flatness for a perfect seal with MLS head gaskets. Internally, the valve seats are machined to optimize airflow and prevent common failures, and the entire valve train geometry is blueprinted to specific tolerances to reduce lifter preload and prolong component life.\u003c\/p\u003e\n\u003ch5\u003e\u003cstrong\u003eRotational Assembly Balancing:\u003c\/strong\u003e\u003c\/h5\u003e\n\u003cp\u003eThe balancing of the rotational assembly is crucial for eliminating vibration and maximizing engine longevity. This precision work involves checking and correcting the balance of the crankshaft, connecting rods, and pistons. The crankshaft is thoroughly checked for run-out and inspected for fatigue before being polished and ground to strict concentricity tolerances (0.0005 or less) to ensure the new bearings receive the best possible surface. Rods are inspected and conditioned, and all bearing clearances checked to ensure proper fitment with the new bearings. Each of the pistons, rings, and pin retainers are meticulously weight matched (to a tolerance of 2 grams or less) prior to crank balancing. Then the entire assembly is dynamically balanced on specialized equipment. This ensures that the engine runs smoothly, minimizing stress on the bearings, and extends the overall life of the components.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eComponents and Parts:\u003c\/h3\u003e\n\u003ch5\u003e\u003cstrong\u003eEngine Core Components\u003c\/strong\u003e\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003eCylinder Block\u003c\/li\u003e\n\u003cli\u003eCrankshaft\u003c\/li\u003e\n\u003cli\u003eSteel Connecting Rods\u003c\/li\u003e\n\u003cli\u003eCamshaft\u003c\/li\u003e\n\u003cli\u003ePistons\u003c\/li\u003e\n\u003cli\u003eReman Cylinder Head\u003c\/li\u003e\n\u003cli\u003ePushrods\u003c\/li\u003e\n\u003cli\u003eNew Main Bearings\u003c\/li\u003e\n\u003cli\u003eNew Rod Bearings\u003c\/li\u003e\n\u003cli\u003eNew Cam Bearings\u003c\/li\u003e\n\u003cli\u003eMain Bolts\u003c\/li\u003e\n\u003cli\u003eHead Studs\u003c\/li\u003e\n\u003cli\u003eRockers\u003c\/li\u003e\n\u003cli\u003eBillet Freeze Plugs\u003c\/li\u003e\n\u003cli\u003eNew Oil Pump\u003c\/li\u003e\n\u003cli\u003eUpper Oil Pan\u003c\/li\u003e\n\u003cli\u003eLower Oil Pan\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003e\u003cstrong\u003eGaskets and Seals\u003c\/strong\u003e\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003eNew Head Gaskets\u003c\/li\u003e\n\u003cli\u003eRear Main Seal\u003c\/li\u003e\n\u003cli\u003eFront Gear Housing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003e\u003cstrong\u003eCylinder Head Components\u003c\/strong\u003e\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003eNew Valve Guides\u003c\/li\u003e\n\u003cli\u003eNew Socket Plug\u003c\/li\u003e\n\u003cli\u003eNew Oversized Valve Seats\u003c\/li\u003e\n\u003cli\u003eNew Threaded Plugs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eIndustrial Reliability: 2 Year \/ 2,000 Hour Warranty\u003c\/h3\u003e\n\u003cp\u003eOn the job site, reliability isn't just a luxury, it’s the difference between profit and loss. At Choate, we stand behind the precision engineering of our \u003cb\u003eQSB6.7 Long Block Engines\u003c\/b\u003e with a comprehensive \u003cb\u003e2-Year \/ 2,000-Hour Warranty\u003c\/b\u003e.\u003c\/p\u003e\n\u003cp\u003eWe understand that wheel loaders face some of the most punishing environments, from high-idle periods to wide-open throttle transitions under heavy load. Our warranty is designed to give you total peace of mind while you work. Whether you are managing a large fleet or operating as an independent contractor, we ensure your investment is protected against defects in materials and workmanship.\u003c\/p\u003e","brand":"Choate Performance","offers":[{"title":"Default Title","offer_id":66581821751600,"sku":"CEP70TMV2L","price":12900.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0941\/2680\/1200\/files\/KawasakiLongBlockEngine1.png?v=1779726562"},{"product_id":"70tmv-2-long-block-diesel-crate-engine-choate-performance-copy","title":"Kawasaki 70Z7 Wheel Loader Long Block Diesel Crate Engine Choate Performance","description":"\u003ch2\u003e\u003cstrong\u003eKawasaki 70Z7 Wheel Loader Long Block Engine\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe \u003cb\u003eQSB6.7 Cummins platform\u003c\/b\u003e is the heart of the Kawasaki 70Z7, engineered to provide the high-torque performance and rapid response required for heavy-duty earthmoving. Whether you’re operating in a high-production quarry or a demanding construction site, this remanufactured long block is built to withstand the rigors of high-cycle loading.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eKey Features and Fixes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eVibration Mitigation:\u003c\/b\u003e A fully balanced rotating assembly ensures your wheel loader operates smoothly. This precision balancing protects your transmission and hydraulic pump drives from the parasitic vibrations that cause premature fatigue in industrial drivetrains.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eEnhanced Valve Integrity:\u003c\/b\u003e Features all-new, upgraded exhaust valves designed to eliminate high-heat separation. This prevents catastrophic engine failure during the sustained high-load cycles common in heavy material handling.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eIndustrial-Grade Protection:\u003c\/b\u003e Billet freeze plugs are installed to eliminate the \"rot-out\" and weeping common with standard brass or steel plugs, ensuring your cooling system remains intact through extreme temperature fluctuations.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003ePrecision Remanufacturing:\u003c\/b\u003e Unlike a standard \"patch job\" overhaul, this long block is blueprint-machined to solve OEM discrepancies, providing a more reliable foundation than a standard factory replacement.\u003cbr\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eMachining Process:\u003c\/h3\u003e\n\u003cp\u003eAt Choate Engineering Performance, we remanufacture QSB6.7 engines to surpass original factory specifications. Our process involves rigorous CNC blueprinting to ensure the ultimate reliability required for high-uptime industrial applications.\u003c\/p\u003e\n\u003ch5\u003e\u003cstrong\u003eEngine Block Machining:\u003c\/strong\u003e\u003c\/h5\u003e\n\u003cp\u003eEach of our engine blocks are CNC blueprint machined using state-of-the-art CNC machines. This process ensures perfect dimensions, precise tolerances, and optimal alignment. This starts with decking the surface of the block to achieve the necessary flatness and smoothness (Ra 30 or better) required for flawless sealing with MLS head gaskets. The cylinders are then diamond honed to an extremely tight tolerance to match the piston diameter (within the nearest 0.0001 inch). Following honing, the main bearing bores are line honed to establish a true, straight centerline for the crankshaft. Finally, the cylinder bores are bored to a true 90 degree angle from the crankshaft centerline.\u003c\/p\u003e\n\u003ch5\u003e\u003cstrong\u003eCylinder Head Machining:\u003c\/strong\u003e\u003c\/h5\u003e\n\u003cp\u003eOur cylinder heads are fully machined and enhanced in-house to improve airflow and reliability. Each head is first magnafluxed and pressure tested to ensure they are free of any cracks or leaks. The surface is then precision decked to an extremely smooth finish, guaranteeing the necessary flatness for a perfect seal with MLS head gaskets. Internally, the valve seats are machined to optimize airflow and prevent common failures, and the entire valve train geometry is blueprinted to specific tolerances to reduce lifter preload and prolong component life.\u003c\/p\u003e\n\u003ch5\u003e\u003cstrong\u003eRotational Assembly Balancing:\u003c\/strong\u003e\u003c\/h5\u003e\n\u003cp\u003eThe balancing of the rotational assembly is crucial for eliminating vibration and maximizing engine longevity. This precision work involves checking and correcting the balance of the crankshaft, connecting rods, and pistons. The crankshaft is thoroughly checked for run-out and inspected for fatigue before being polished and ground to strict concentricity tolerances (0.0005 or less) to ensure the new bearings receive the best possible surface. Rods are inspected and conditioned, and all bearing clearances checked to ensure proper fitment with the new bearings. Each of the pistons, rings, and pin retainers are meticulously weight matched (to a tolerance of 2 grams or less) prior to crank balancing. Then the entire assembly is dynamically balanced on specialized equipment. This ensures that the engine runs smoothly, minimizing stress on the bearings, and extends the overall life of the components.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eComponents and Parts:\u003c\/h3\u003e\n\u003ch5\u003e\u003cstrong\u003eEngine Core Components\u003c\/strong\u003e\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003eCylinder Block\u003c\/li\u003e\n\u003cli\u003eCrankshaft\u003c\/li\u003e\n\u003cli\u003eSteel Connecting Rods\u003c\/li\u003e\n\u003cli\u003eCamshaft\u003c\/li\u003e\n\u003cli\u003ePistons\u003c\/li\u003e\n\u003cli\u003eReman Cylinder Head\u003c\/li\u003e\n\u003cli\u003ePushrods\u003c\/li\u003e\n\u003cli\u003eNew Main Bearings\u003c\/li\u003e\n\u003cli\u003eNew Rod Bearings\u003c\/li\u003e\n\u003cli\u003eNew Cam Bearings\u003c\/li\u003e\n\u003cli\u003eMain Bolts\u003c\/li\u003e\n\u003cli\u003eHead Studs\u003c\/li\u003e\n\u003cli\u003eRockers\u003c\/li\u003e\n\u003cli\u003eBillet Freeze Plugs\u003c\/li\u003e\n\u003cli\u003eNew Oil Pump\u003c\/li\u003e\n\u003cli\u003eUpper Oil Pan\u003c\/li\u003e\n\u003cli\u003eLower Oil Pan\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003e\u003cstrong\u003eGaskets and Seals\u003c\/strong\u003e\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003eNew Head Gaskets\u003c\/li\u003e\n\u003cli\u003eRear Main Seal\u003c\/li\u003e\n\u003cli\u003eFront Gear Housing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003e\u003cstrong\u003eCylinder Head Components\u003c\/strong\u003e\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003eNew Valve Guides\u003c\/li\u003e\n\u003cli\u003eNew Socket Plug\u003c\/li\u003e\n\u003cli\u003eNew Oversized Valve Seats\u003c\/li\u003e\n\u003cli\u003eNew Threaded Plugs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eIndustrial Reliability: 2 Year \/ 2,000 Hour Warranty\u003c\/h3\u003e\n\u003cp\u003eOn the job site, reliability isn't just a luxury, it’s the difference between profit and loss. At Choate, we stand behind the precision engineering of our \u003cb\u003eQSB6.7 Long Block Engines\u003c\/b\u003e with a comprehensive \u003cb\u003e2-Year \/ 2,000-Hour Warranty\u003c\/b\u003e.\u003c\/p\u003e\n\u003cp\u003eWe understand that wheel loaders face some of the most punishing environments, from high-idle periods to wide-open throttle transitions under heavy load. Our warranty is designed to give you total peace of mind while you work. Whether you are managing a large fleet or operating as an independent contractor, we ensure your investment is protected against defects in materials and workmanship.\u003c\/p\u003e","brand":"Choate Performance","offers":[{"title":"2014-2015","offer_id":66581859008816,"sku":"CEP70Z7L1415","price":12900.0,"currency_code":"USD","in_stock":true},{"title":"2016-2024","offer_id":66581859041584,"sku":"CEP70Z7L1624","price":12900.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0941\/2680\/1200\/files\/KawasakiLongBlockEngine1.png?v=1779726562"},{"product_id":"70z7-long-block-diesel-crate-engine-choate-performance-copy","title":"Kawasaki 80Z7 Wheel Loader Long Block Diesel Crate Engine Choate Performance","description":"\u003ch2\u003e\u003cstrong\u003eKawasaki 80Z7 Wheel Loader Long Block Engine\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe \u003cb\u003eQSB6.7 Cummins platform\u003c\/b\u003e is the heart of the Kawasaki 80Z7, engineered to provide the high-torque performance and rapid response required for heavy-duty earthmoving. Whether you’re operating in a high-production quarry or a demanding construction site, this remanufactured long block is built to withstand the rigors of high-cycle loading.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eKey Features and Fixes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eVibration Mitigation:\u003c\/b\u003e A fully balanced rotating assembly ensures your wheel loader operates smoothly. This precision balancing protects your transmission and hydraulic pump drives from the parasitic vibrations that cause premature fatigue in industrial drivetrains.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eEnhanced Valve Integrity:\u003c\/b\u003e Features all-new, upgraded exhaust valves designed to eliminate high-heat separation. This prevents catastrophic engine failure during the sustained high-load cycles common in heavy material handling.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eIndustrial-Grade Protection:\u003c\/b\u003e Billet freeze plugs are installed to eliminate the \"rot-out\" and weeping common with standard brass or steel plugs, ensuring your cooling system remains intact through extreme temperature fluctuations.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003ePrecision Remanufacturing:\u003c\/b\u003e Unlike a standard \"patch job\" overhaul, this long block is blueprint-machined to solve OEM discrepancies, providing a more reliable foundation than a standard factory replacement.\u003cbr\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eMachining Process:\u003c\/h3\u003e\n\u003cp\u003eAt Choate Engineering Performance, we remanufacture QSB6.7 engines to surpass original factory specifications. Our process involves rigorous CNC blueprinting to ensure the ultimate reliability required for high-uptime industrial applications.\u003c\/p\u003e\n\u003ch5\u003e\u003cstrong\u003eEngine Block Machining:\u003c\/strong\u003e\u003c\/h5\u003e\n\u003cp\u003eEach of our engine blocks are CNC blueprint machined using state-of-the-art CNC machines. This process ensures perfect dimensions, precise tolerances, and optimal alignment. This starts with decking the surface of the block to achieve the necessary flatness and smoothness (Ra 30 or better) required for flawless sealing with MLS head gaskets. The cylinders are then diamond honed to an extremely tight tolerance to match the piston diameter (within the nearest 0.0001 inch). Following honing, the main bearing bores are line honed to establish a true, straight centerline for the crankshaft. Finally, the cylinder bores are bored to a true 90 degree angle from the crankshaft centerline.\u003c\/p\u003e\n\u003ch5\u003e\u003cstrong\u003eCylinder Head Machining:\u003c\/strong\u003e\u003c\/h5\u003e\n\u003cp\u003eOur cylinder heads are fully machined and enhanced in-house to improve airflow and reliability. Each head is first magnafluxed and pressure tested to ensure they are free of any cracks or leaks. The surface is then precision decked to an extremely smooth finish, guaranteeing the necessary flatness for a perfect seal with MLS head gaskets. Internally, the valve seats are machined to optimize airflow and prevent common failures, and the entire valve train geometry is blueprinted to specific tolerances to reduce lifter preload and prolong component life.\u003c\/p\u003e\n\u003ch5\u003e\u003cstrong\u003eRotational Assembly Balancing:\u003c\/strong\u003e\u003c\/h5\u003e\n\u003cp\u003eThe balancing of the rotational assembly is crucial for eliminating vibration and maximizing engine longevity. This precision work involves checking and correcting the balance of the crankshaft, connecting rods, and pistons. The crankshaft is thoroughly checked for run-out and inspected for fatigue before being polished and ground to strict concentricity tolerances (0.0005 or less) to ensure the new bearings receive the best possible surface. Rods are inspected and conditioned, and all bearing clearances checked to ensure proper fitment with the new bearings. Each of the pistons, rings, and pin retainers are meticulously weight matched (to a tolerance of 2 grams or less) prior to crank balancing. Then the entire assembly is dynamically balanced on specialized equipment. This ensures that the engine runs smoothly, minimizing stress on the bearings, and extends the overall life of the components.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eComponents and Parts:\u003c\/h3\u003e\n\u003ch5\u003e\u003cstrong\u003eEngine Core Components\u003c\/strong\u003e\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003eCylinder Block\u003c\/li\u003e\n\u003cli\u003eCrankshaft\u003c\/li\u003e\n\u003cli\u003eSteel Connecting Rods\u003c\/li\u003e\n\u003cli\u003eCamshaft\u003c\/li\u003e\n\u003cli\u003ePistons\u003c\/li\u003e\n\u003cli\u003eReman Cylinder Head\u003c\/li\u003e\n\u003cli\u003ePushrods\u003c\/li\u003e\n\u003cli\u003eNew Main Bearings\u003c\/li\u003e\n\u003cli\u003eNew Rod Bearings\u003c\/li\u003e\n\u003cli\u003eNew Cam Bearings\u003c\/li\u003e\n\u003cli\u003eMain Bolts\u003c\/li\u003e\n\u003cli\u003eHead Studs\u003c\/li\u003e\n\u003cli\u003eRockers\u003c\/li\u003e\n\u003cli\u003eBillet Freeze Plugs\u003c\/li\u003e\n\u003cli\u003eNew Oil Pump\u003c\/li\u003e\n\u003cli\u003eUpper Oil Pan\u003c\/li\u003e\n\u003cli\u003eLower Oil Pan\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003e\u003cstrong\u003eGaskets and Seals\u003c\/strong\u003e\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003eNew Head Gaskets\u003c\/li\u003e\n\u003cli\u003eRear Main Seal\u003c\/li\u003e\n\u003cli\u003eFront Gear Housing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003e\u003cstrong\u003eCylinder Head Components\u003c\/strong\u003e\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003eNew Valve Guides\u003c\/li\u003e\n\u003cli\u003eNew Socket Plug\u003c\/li\u003e\n\u003cli\u003eNew Oversized Valve Seats\u003c\/li\u003e\n\u003cli\u003eNew Threaded Plugs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eIndustrial Reliability: 2 Year \/ 2,000 Hour Warranty\u003c\/h3\u003e\n\u003cp\u003eOn the job site, reliability isn't just a luxury, it’s the difference between profit and loss. At Choate, we stand behind the precision engineering of our \u003cb\u003eQSB6.7 Long Block Engines\u003c\/b\u003e with a comprehensive \u003cb\u003e2-Year \/ 2,000-Hour Warranty\u003c\/b\u003e.\u003c\/p\u003e\n\u003cp\u003eWe understand that wheel loaders face some of the most punishing environments, from high-idle periods to wide-open throttle transitions under heavy load. Our warranty is designed to give you total peace of mind while you work. Whether you are managing a large fleet or operating as an independent contractor, we ensure your investment is protected against defects in materials and workmanship.\u003c\/p\u003e","brand":"Choate Performance","offers":[{"title":"2014-2015","offer_id":66581861531952,"sku":"CEP80Z7L1415","price":12900.0,"currency_code":"USD","in_stock":true},{"title":"2016-2024","offer_id":66581861564720,"sku":"CEP80Z7L1624","price":12900.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0941\/2680\/1200\/files\/KawasakiLongBlockEngine1.png?v=1779726562"}],"url":"https:\/\/choateperformance.com\/collections\/industrial-engines-kawasaki.oembed","provider":"choateperformance","version":"1.0","type":"link"}