The genuine XCMG cylinder head gasket 800172236 is a high-performance engine sealing component engineered specifically for XCMG articulated dump trucks. This precision MLS (Multi-Layer Steel) gasket ensures reliable combustion sealing between the cylinder head and engine block, preventing coolant leaks, compression loss, and exhaust gas blow-by under extreme operating conditions.
Manufactured from three layers of premium spring steel with a stainless steel stopper layer, the 800172236 cylinder head gasket maintains consistent compressed thickness and superior sealing pressure across all six cylinders. The embossed fire rings around each combustion chamber provide localized high clamping force, effectively sealing peak cylinder pressures generated by XCMG’s powerful diesel engines in mining and heavy construction applications.
The 800172236 cylinder head gasket is fully compatible with XCMG articulated dump trucks including the XDA30, XDA40, XDA45U, XDA60E and XDA70 series, which are powered by Mercedes-Benz OM460LA engines. The OM460LA is a turbocharged, inline 6-cylinder diesel producing 360 kW (483 hp) at 1900 rpm and delivering up to 2,300 N·m of torque at just 1300 rpm, with 90% of maximum torque available as low as 1000 rpm, creating extreme combustion pressures that demand only the highest-quality OEM gasket sealing solutions [7†L13-L15].
The following table provides complete technical specifications for the XCMG 800172236 cylinder head gasket, meeting all original equipment manufacturer standards.
The 800172236 cylinder head gasket is manufactured using advanced Multi-Layer Steel (MLS) technology, the industry gold standard for heavy-duty diesel engine sealing. Unlike traditional composite or fiber gaskets that compress and degrade over time, MLS gaskets maintain consistent thickness and clamping force throughout their service life. The three-layer construction consists of two spring steel layers that provide elasticity and conformability, plus a stainless steel stopper layer that prevents over-compression under high bolt loads.
The embossed fire rings surrounding each cylinder bore are precision-formed from stainless steel to create localized high-pressure sealing zones. When the cylinder head bolts are torqued, these fire rings compress against both the cylinder head and engine block surfaces, effectively sealing combustion pressures exceeding 22 MPa. The spring steel layers accommodate minor surface irregularities while the stopper layer ensures consistent compressed thickness of 1.50 mm, maintaining proper piston-to-valve clearance and stable compression ratios across all six cylinders.
Both sides of the gasket are coated with nitrile rubber (NBR) at a thickness of 0.05 mm. This elastomeric coating flows into micro-irregularities on the cylinder head and block mating surfaces during initial clamping, creating a perfect seal against coolant, engine oil, and combustion gases. The coating also provides exceptional chemical resistance against EGR coolers, biodiesel blends, and aggressive coolant additives commonly encountered in modern mining equipment operations. Laser-cutting technology ensures dimensional tolerances of ±0.1 mm, guaranteeing accurate alignment of all coolant and oil passage ports without risk of blockage.
The OEM cylinder head gasket 800172236 is a direct replacement for the Mercedes-Benz OM460LA engine, which powers the full range of XCMG articulated dump trucks. The OM460LA is a 6-cylinder, 12.8-liter diesel engine featuring high-pressure common rail injection, variable-geometry turbocharging, and four valves per cylinder. It delivers 360 kW (483 hp) at 1900 rpm and generates maximum torque of 2,300 N·m at just 1300 rpm, with 90% of peak torque available as low as 1000 rpm [7†L13-L15]. The engine is designed specifically for extreme-duty mining applications, requiring sealing components that can withstand peak cylinder pressures exceeding 220 bar and continuous fire ring temperatures up to 450°C.
The 800172236 gasket is compatible with the following XCMG articulated dump truck models, all of which utilize the OM460LA powerplant: XDA30 (30-tonne payload), XDA40 (39-tonne payload), XDA45U (41-tonne payload), XDA60E (55-tonne electric drive), and XDA70 (65-tonne payload). These ADTs are widely deployed in surface mining, quarry operations, water conservancy projects, port infrastructure, and large-scale construction sites where equipment reliability directly impacts productivity and operational costs.
Field data from Australian iron ore mines and Indonesian coal mines demonstrates that genuine XCMG 800172236 cylinder head gaskets routinely achieve 10,000 to 12,000 operating hours of service without any coolant or compression leakage when properly installed with genuine head bolts. This represents a 40% to 50% increase in service life compared to aftermarket gaskets, which often fail prematurely due to fire ring erosion, coating degradation, or dimensional inaccuracies.
Proper installation of the 800172236 cylinder head gasket is critical to achieving maximum service life and engine performance. Before installation, the cylinder head and engine block mating surfaces must be thoroughly cleaned of old gasket residue, using a plastic or nylon scraper only—never a metal tool that could scratch or gouge the machined surfaces. Surface flatness must be verified with a precision straight edge and feeler gauges; maximum permissible distortion is 0.10 mm across the entire head length [5†L22-L26]. Any distortion beyond this limit requires cylinder head machining before installation.
The new gasket should be removed from its sealed packaging immediately before installation to prevent contamination or damage. Handle the gasket with extreme care—any creases, dents, or scratches in the fire rings or coating will compromise sealing performance. Align the gasket using the locating dowels in the engine block, ensuring that all coolant, oil, and combustion passages align perfectly with the corresponding ports in the cylinder head. The part number identification should face upward toward the cylinder head as indicated by manufacturer marking.
Cylinder head bolts must always be replaced when installing a new gasket, as they are torque-to-yield fasteners designed for single use [5†L10-L11]. Used bolts can no longer achieve proper clamping force. Apply clean engine oil to the bolt threads and under the bolt heads as specified in the service manual. Tighten the head bolts in three stages following the prescribed cross pattern: first stage to 40 Nm, second stage to the same torque value in sequence, and final stage to +180° (half turn) rotation [5†L22-L23]. Do not reuse engine coolant after head gasket replacement, as coolant may contain combustion contaminants.
The 800172236 cylinder head gasket has undergone extensive laboratory and field validation. Thermal cycle testing per ISO 10065 subjected the gasket to 1,000 complete thermal cycles between -40°C and +120°C. The gasket maintained over 90% of its original compression recovery after this severe test, demonstrating excellent resistance to thermal fatigue. Fire ring integrity was verified through high-pressure testing at 22 MPa, with zero measurable leakage across all six cylinder seals.
Field trials conducted on XCMG XDA45U articulated dump trucks operating in Australian iron ore mines (extreme dust conditions, ambient temperatures up to 45°C) and Chilean copper mines (high altitude over 3,000 meters, significant thermal cycling) showed that genuine 800172236 gaskets consistently achieved service intervals of 10,000 to 12,000 hours before any signs of leakage developed. By comparison, aftermarket gaskets tested under identical conditions exhibited fire ring erosion and coolant migration failures at 5,000 to 6,000 hours, often requiring unplanned engine overhauls and causing costly equipment downtime.
The nitrile rubber coating also demonstrated exceptional chemical resistance against aggressive coolants and EGR condensates. In biodiesel blend applications (up to B20), the coating showed no measurable degradation after 10,000 hours of continuous exposure. This chemical resistance is particularly important for mining fleets operating in regions with varying fuel quality standards and environmental regulations.
Aftermarket cylinder head gaskets pose significant risks to engine reliability and safety. Non-genuine gaskets often use inferior materials, lack proper fire ring embossing, omit elastomeric coatings, and forego dimensional verification. The consequences include combustion blow-by causing power loss, coolant migration leading to hydrolock and bent connecting rods, oil contamination resulting in main bearing failure, and exhaust gas leakage that can damage turbochargers and EGR systems. Any of these failures typically requires complete engine overhaul at costs exceeding $50,000 per incident.
Genuine XCMG 800172236 cylinder head gaskets offer full material traceability from certified steel suppliers, documented manufacturing records including heat treatment and coating application data, 100% laser-cut dimensional verification with tolerances of ±0.1 mm, and a 12-month warranty against manufacturing defects. Each gasket is laser-marked with the OEM part number for identification and quality control.
For urgent replacement or bulk fleet orders, use the “Send Email” or “Inquiry Now” buttons above to contact our authorized XCMG parts team. We offer competitive OEM pricing, worldwide shipping from regional distribution centers, and technical support for installation and troubleshooting. Protect your XCMG articulated dump truck’s engine investment—choose only genuine OEM 800172236 cylinder head gaskets.
