The genuine XCMG cylindrical pin 800165419 is a precision locating dowel engineered for articulated dump truck chassis articulation joints and suspension linkages. This heavy-duty cylindrical pin ensures exact alignment between the front and rear frames, eliminating play and reducing bushing wear under extreme loads.
Manufactured from vacuum-degassed 42CrMo4 alloy steel, the 800165419 cylindrical pin features induction-hardened surfaces (52–58 HRC) with a case depth of ≥2 mm, while the core maintains 28–34 HRC for impact toughness. The precision ground outer diameter is held to ISO h7 tolerance, with surface finish Ra ≤ 0.4 µm to minimize friction.
The 800165419 pin is compatible with XCMG XDA40, XDA45U, XDA60E, XDA30 and XDA70 articulated dump trucks. It serves critical functions including articulation pivot joints, steering knuckle mounts, and cylinder pin connections. The pin features a cross-drilled M6 grease port for centralised lubrication, eliminating the need for disassembly during routine greasing.
The following table provides comprehensive technical specifications for the XCMG 800165419 cylindrical pin, meeting all original equipment manufacturer standards.
The 800165419 cylindrical pin is manufactured from premium 42CrMo4 alloy steel, selected for its outstanding hardenability, impact toughness, and fatigue resistance under cyclic loading. The hot-forging process aligns grain flow with the pin’s contour, significantly enhancing shear strength. Following forging, the pin undergoes precision turning and centerless grinding to achieve ISO h7 tolerance.
The heat treatment process includes austenitizing at 850°C, oil quenching, and double tempering to relieve residual stresses. The surface is induction-hardened to 52–58 HRC with a case depth of ≥2 mm, while the core maintains 28–34 HRC, providing an optimal balance of wear resistance and toughness. This gradient microstructure allows the 800165419 pin to withstand millions of loading cycles without failure.
Each production batch undergoes 100% magnetic particle inspection for surface or subsurface cracks that could lead to premature failure. Representative samples are destructively tested to verify tensile strength, yield strength, and impact toughness. Dimensional verification is performed using coordinate measuring machines with tolerances held to ±0.02 mm on all critical features. The zinc-nickel coating delivers exceptional corrosion protection, tested to 500+ hours in salt spray per ASTM B117.
The OEM cylindrical pin 800165419 is a direct replacement for articulation joints on XCMG XDA30, XDA40, XDA45U, XDA60E, and XDA70 articulated dump trucks. The XDA40 model delivers a rated payload of 39 tonnes, with an OM502 engine producing 350 kW (480 hp) at 1800 rpm and max torque of 2300 Nm at 1300 rpm. The XDA45U, powered by a Mercedes-Benz OM460LA engine delivering 360 kW (483 hp) at 1900 rpm and 2300 N·m at 1300 rpm, is renowned for its exceptional off-road maneuverability and 41-tonne payload capacity, making it ideal for mining and quarry operations. The XDA60E offers a 55-tonne payload with AC electric drive technology and six-wheel independent control for unmatched traction.
In addition to ADTs, the 800165419 cylindrical pin is compatible with XCMG rigid dump trucks (XDR80, XDR100) and select wheel loaders (LW700KN, LW900KN). The pin is used in the frame articulation joint, allowing the front and rear frames to pivot ±45° for optimal maneuverability on tight mine roads. It also serves as the pivot pin for steering cylinder brackets and dump body hinge points.
Field data from mining operations shows that genuine XCMG cylindrical pins averaged 12,000–15,000 hours of service before measurable wear exceeded 0.15 mm in diameter, while aftermarket pins failed at 5,000–6,000 hours due to spalling, bending, or corrosion. Using genuine 800165419 pins reduces maintenance frequency and prevents costly housing repairs.
The 800165419 cylindrical pin should be lubricated every 250 operating hours using NLGI #2 lithium-based grease. Apply grease through the M6 fitting until fresh grease appears at the pin ends, indicating full lubrication of the internal grease groove and bushing interface. The cross-drilled design allows direct greasing without joint disassembly, reducing maintenance time significantly. For extreme conditions (high dust, salt spray, or water immersion), reduce the greasing interval to 100 hours.
Inspect the pin for signs of wear or damage during routine service every 1,000 hours. Measure radial play using a dial indicator—if movement exceeds 1.5 mm (0.060 in), replace the cylindrical pin immediately. Check the retaining ring groove for deformation and the pin surface for scoring or corrosion. Always replace the mating bushing when installing a new pin to ensure proper clearance. Properly maintained, the 800165419 pin will outlast the original joint by up to 30%.
Before installing the 800165419 cylindrical pin, inspect the mating bushing and housing bore for scoring, ovality, or excessive wear. Clean all surfaces thoroughly and apply a thin film of anti-seize compound to the pin’s outer diameter. Align the pin with the bore and tap gently using a soft-faced hammer or brass drift—never use a steel hammer directly on the pin end, as this can damage the precision-ground surface.
Once the pin is fully seated, install the retaining ring into the groove at one end to secure the pin axially. Torque any fastening bolts or capscrews to 200–280 Nm according to the XCMG workshop manual. Apply grease through the M6 fitting until fresh grease appears, then operate the joint through its full range of motion to distribute lubricant evenly. Re-torque after the first 50 operating hours and check for axial movement.
Laboratory testing per ISO 1099 subjected the 800165419 cylindrical pin to 10 million alternating load cycles at 80% of yield strength, with no crack initiation or measurable wear. Static radial load capacity reaches 80 kN on larger diameter variants, sufficient for the most demanding ADT applications.
Field trials across fleets of XCMG articulated dump trucks operating in Australian iron ore mines, Indonesian coal mines, and Chilean copper mines demonstrated that genuine 800165419 pins maintain original diameter within 0.05 mm wear after 10,000 hours. Aftermarket pins failed at 4,000–6,000 hours due to spalling, bending, or corrosion penetration. Fleet operators have reported a 45% reduction in joint-related downtime after switching to genuine XCMG cylindrical pins. Using genuine components also preserves warranty coverage and enhances resale value.
Aftermarket cylindrical pins often use inferior steel grades, lack proper heat treatment, omit corrosion protection, and bypass critical quality inspections. The consequences include accelerated bushing wear, excessive joint play leading to steering instability, pin seizure, and even catastrophic joint separation—posing safety risks and causing costly equipment damage. Genuine XCMG 800165419 cylindrical pins offer full material traceability, documented heat treatment records, 100% MPI and CMM verification, and a 12-month warranty against manufacturing defects.
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 centres, and technical support for installation and troubleshooting. Protect your XCMG articulated dump truck investment—choose only genuine OEM 800165419 cylindrical pins.
