{"product_id":"xcmg-xe210-xe300-series-cylinder-head-workhorse-plus","title":"XCMG XE210 - XE300 Series Excavator Cylinder Head Reman - Workhorse Plus (6.7L)","description":"\u003cp\u003e\u003cb\u003eDirect Fit For XCMG Excavator Models:\u003c\/b\u003e \u003cb\u003eXE210U, XE210UCA, XE215U, XE225U, XE235UCR, XE245UCR, XE250U, XE300U, and XE215D\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eEliminate head gasket vulnerabilities and valvetrain fatigue under the absolute most punishing industrial workloads. The Workhorse Plus tier cylinder head for XCMG XE210 through XE300 series crawler excavators is engineered specifically for severe-duty applications, such as high-impact rock breaking, deep trenching, and continuous extreme-duty earthmoving, where equipment breakdown and job site downtime are completely cost-prohibitive. Assembled using a renewed, pressure-tested OEM core and premium internal components, this top-tier cylinder head features extreme-duty structural upgrades to handle maximum cylinder pressures, intense thermal expansion, and continuous peak-torque demands.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eUpgrades Over the Workhorse Tier: Heavy-Duty Valve Springs\u003c\/h3\u003e\n\u003cp\u003eWhile the Workhorse tier introduces a critical O-ringed deck, the Workhorse Plus upgrades the entire assembly with premium, heavy-duty valve springs and reinforced retainers. This severe-duty valvetrain package prevents valve float and spring fatigue during prolonged peak-torque operation, easily managing the extreme cylinder pressures and elevated exhaust backpressures common in modern heavy excavator turbocharger and emissions configurations. The result is absolute valvetrain stability and precise tracking when your excavator is working at maximum capacity.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eComponents and Parts\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eRemanufactured Casting:\u003c\/b\u003e Built from a premium OEM core casting that has undergone rigorous diagnostic testing and is machined to like-new industrial specifications.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003ePrecision O-Rings:\u003c\/b\u003e To combat the severe thermal expansion common in modern high-torque heavy equipment, precision O-rings are machined directly into the deck surface. This mechanical modification locks the head gasket securely in place, completely eliminating the risk of combustion leaks under extreme operating loads.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eNew Valves:\u003c\/b\u003e Equipped with all-new, high-quality intake and exhaust valves, verified for precise seating and clearance against the seats.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eNew Injector Cups:\u003c\/b\u003e Pre-installed new injector cups ensure a permanent, air-tight fuel seal and eliminate the threat of internal coolant contamination.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eKey Features and Heavy-Duty Fixes\u003c\/h3\u003e\n\u003cp\u003eThis severe-duty head features key structural upgrades, backed by an intense inspection protocol to guarantee every critical industrial metric is met.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003e40 PSI Pressure Testing:\u003c\/b\u003e Following the machining process, every cylinder head is pressure-tested at 40 PSI to verify zero structural leaks and absolute casting integrity.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eBlow-Proof Plugs:\u003c\/b\u003e Threaded, blow-proof plugs are installed into the top of the head for superior safety, replacing factory pressed-in freeze plugs that regularly fail during severe thermal spikes.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eFinal Quality Control:\u003c\/b\u003e The head undergoes a meticulous final cleaning and rigorous quality control checking. A comprehensive specification sheet is generated, using a profilometer to record critical specifications including:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eValve Recessions\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eStem Heights\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eInstalled Spring Heights\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSpring Pressures\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eKeeper and Lock Positions\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRoughness Average (RA) Surface Finish\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"padding-left: 40px;\"\u003e\u003cem\u003eRecording this rigorous process ensures you receive a head that is significantly improved over the original and ready for years of demanding, heavy industrial operation.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp style=\"padding-left: 40px;\"\u003e \u003c\/p\u003e\n\u003ch3\u003ePrecision Machining Process\u003c\/h3\u003e\n\u003cp\u003eChoate Engineering Performance incorporates structural updates to resolve common factory vulnerabilities of the 6.7L Cummins industrial cylinder head, significantly extending operational lifespan:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eOptimal Sealing Surface:\u003c\/b\u003e The deck is resurfaced to strictly meet or exceed OEM specifications for Roughness Average (Ra), maximizing the sealing surface performance for the head gasket under high common-rail injection pressures.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eValve Train Geometry Alteration:\u003c\/b\u003e The head is custom blueprinted to adjust valve height and valve recession, optimizing geometry for high-stress industrial applications.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eLifter and Crosshead Longevity Fix:\u003c\/b\u003e Valve stem heights are precisely machined to remove excessive preload on the lifters, a critical adjustment that dramatically reduces wear and extends the service life of the bridges, crossheads, lifters, and camshaft under constant hydraulic load.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eOptimized Flow and Sealing:\u003c\/b\u003e Valve seats are cut with an industrial three-angle profile to optimize engine efficiency and ensure an airtight seal.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eValve Prep:\u003c\/b\u003e Valves are reground and margins are meticulously inspected to guarantee proper sealing against the new seats.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eAll-New Wear Parts:\u003c\/b\u003e New valve stem seals, valve seats, valve guides, and injector cups are installed across the entire assembly.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eMeticulous Cleaning and Prep Process\u003c\/h3\u003e\n\u003cp\u003eOur manufacturing protocol begins with an intensive cleaning and stress-relieving process to ensure a flawless casting:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eRigorous Inspection (MPI):\u003c\/b\u003e Every single core is subjected to Magnetic Particle Inspection (MPI) to scan for microscopic cracks or subsurface structural imperfections common in high-hour castings.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eThermal Stress Relieving:\u003c\/b\u003e Castings undergo a thermal baking process in a specialized furnace to eliminate residual industrial oils and grease by converting them to ash.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eMaterial Relaxation:\u003c\/b\u003e The head is shot-blasted to strip away rust and scale. This vital step relaxes the cast iron before any precision machining takes place.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eThread Restoration:\u003c\/b\u003e All broken factory bolts and studs are professionally removed, leaving all holes clean, chased, and ready for a seamless installation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Choate Performance","offers":[{"title":"Default Title","offer_id":67304222556464,"sku":"CEPXCMGWPHR","price":3150.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0941\/2680\/1200\/files\/6.7CumminsWHCylinderHead_2.png?v=1783558571","url":"https:\/\/choateperformance.com\/products\/xcmg-xe210-xe300-series-cylinder-head-workhorse-plus","provider":"choateperformance","version":"1.0","type":"link"}