{"product_id":"xcmg-xe210-xe300-series-cylinder-head-daily-driver","title":"XCMG XE210 - XE300 Series Excavator Cylinder Head Reman - Daily Driver (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\u003eRestore factory-level digging power, fuel efficiency, and cycle times to your XCMG crawler excavator. The Daily Driver tier offers a dependable, premium OEM-spec replacement cylinder head engineered specifically for the industrial Cummins 6.7L engine (B6.7\/QSB6.7). Assembled using a renewed, pressure-tested OEM core combined with brand-new, high-quality internal components, this cylinder head guarantees reliable operation, proper compression sealing, and extensive service life on the job site. It is the ideal choice for routine fleet maintenance and cost-effective engine overhauls, correcting inherent factory casting stresses to minimize unexpected field downtime.\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 high-quality OEM core casting that has passed 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\u003eNew Valves:\u003c\/b\u003e Equipped with all-new, high-quality intake and exhaust valves that are strictly inspected for proper seating, depth, and face clearance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eNew Valve Springs and Retainers:\u003c\/b\u003e Utilizes brand-new valve springs matched precisely to the high-torque, low-RPM demands of heavy excavation, featuring durable retainers and locks for secure operation under continuous hydraulic system loads.\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 an absolute fuel and coolant seal to prevent internal fluid 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 modern 6.7L head features critical durability updates, backed by an intense inspection protocol to guarantee every commercial specification is met.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003e40 PSI Pressure Testing:\u003c\/b\u003e After all machining work is completed, every cylinder head is pressure-tested at 40 PSI to confirm zero structural leaks and ensure absolute casting integrity before it ever reaches your machine.\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 in the top of the head for increased security and leak prevention, replacing standard factory pressed-in freeze plugs that are prone to popping out during severe thermal expansion.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eFinal Quality Control:\u003c\/b\u003e The head undergoes a comprehensive final cleaning and strict inspection process. A detailed sign-off sheet is generated, measuring and recording critical specifications using a profilometer, 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 validation process ensures you receive a cylinder head that is significantly improved over the original factory design and ready for years of demanding excavator 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 has incorporated critical modifications to address common failure points of factory 6.7L Cummins cylinder heads, drastically improving field reliability:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eOptimal Sealing Surface:\u003c\/b\u003e The deck is resurfaced to meet or exceed OEM specifications for Roughness Average (Ra), maximizing the sealing surface performance for the head gasket under high-pressure common rail injection loads.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eValve Train Geometry Alteration:\u003c\/b\u003e We custom blueprint the 6.7L head to alter valve height and valve recession, achieving maximum reliability for high-cycle excavator 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 altered to optimize geometry and remove excessive preload on the hydraulic lifter. This crucial modification decreases wear and significantly extends the life of the lifters, crossheads, and camshaft under constant high hydraulic demands.\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 a precise 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 Components:\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 commitment to quality begins before machining, with an intensive cleaning and stress-relieving process to ensure a flawless starting point:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eRigorous Inspection (MPI):\u003c\/b\u003e Each core is subjected to Magnetic Particle Inspection (MPI) to thoroughly check for any cracks or subsurface 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 The head undergoes a stress-relieving process in a specialized furnace to eliminate residual industrial oils and grease by turning them into 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 scaling. This crucial step relaxes the cast iron material before precision machining begins.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eThread Prep:\u003c\/b\u003e All broken factory bolts and studs are professionally removed to ensure threads are clean, chased, and ready for an effortless installation on your machine.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Choate Performance","offers":[{"title":"Default Title","offer_id":67304221966640,"sku":"CEPXCMGDHR","price":1799.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0941\/2680\/1200\/files\/6.7CumminsDDCylinderHead.png?v=1783558046","url":"https:\/\/choateperformance.com\/products\/xcmg-xe210-xe300-series-cylinder-head-daily-driver","provider":"choateperformance","version":"1.0","type":"link"}