The genuine XCMG cylindrical pin 800172310 is a precision-engineered locating dowel designed for critical articulation joints, cylinder mount brackets, and linkage assemblies in XCMG articulated dump trucks. This heavy-duty pin ensures exact alignment between chassis components, preventing progressive wear and eliminating play under extreme loading conditions typical of mining operations. Manufactured from premium 40Cr alloy steel with precision-ground surfaces, the 800172310 cylindrical pin withstands the complex forces generated by 6×6 all-wheel-drive systems with differential locks and the intense hydraulic pressures from load‑sensitive steering and pump-controlled hydraulic systems. The integral lubrication system permits rapid re‑lubrication without joint disassembly, reducing maintenance time.
The 800172310 cylindrical pin features precision-rolled threads, a cross-drilled lubrication groove for consistent grease distribution, and a corrosion-resistant zinc‑nickel coating for harsh environments. Fully compatible with XCMG articulated dump trucks including XDA30, XDA40, XDA45U, XDA60E, and XDA70 series—powered by Mercedes‑Benz OM460LA inline 6‑cylinder diesel engines delivering 360 kW (483 hp) at 1900 rpm with 2,300 N·m of torque at 1300 rpm—this OEM cylindrical pin ensures reliable performance in mining, quarry, and heavy construction applications. Whether you are servicing the front articulation hinge of an XDA45U or the rear bogie pivot on an XDA60E, always insist on genuine XCMG components.
The following table provides complete technical specifications for the XCMG 800172310 cylindrical pin, meeting all original equipment manufacturer standards for high-load articulation applications in articulated dump truck chassis systems.
The 800172310 cylindrical pin is manufactured from premium 40Cr alloy steel, selected for its outstanding hardenability, impact toughness, and fatigue resistance under cyclic loading. This material is a medium-carbon, chromium-alloy steel that provides an excellent balance of strength, toughness, and wear resistance after proper heat treatment [9†L36-L38]. The hot-forging process aligns grain flow with the pin’s contour, significantly enhancing shear strength.
The manufacturing process begins with precision cold heading or CNC turning from certified raw bar stock. The blank undergoes a multi-stage heat treatment: austenitizing, oil quenching, and double tempering to achieve a surface hardness of 48–56 HRC while maintaining a core hardness of 28–36 HRC. This provides an optimal balance of wear resistance and toughness, allowing the 800172310 pin to withstand millions of loading cycles without failure.
Centerless grinding achieves a surface finish of Ra ≤ 0.4 µm and maintains ISO h6/h7 tolerance on the outer diameter, ensuring the precise fit required for long bushing life. The cross‑drilled lubrication system includes a recessed M6 thread that accepts standard grease fittings, with an internal helical groove that distributes lubricant uniformly across the entire bearing interface.
A zinc‑nickel alloy coating with trivalent passivation provides proven corrosion protection, tested to exceed 500 hours of salt spray exposure per ASTM B117—essential for mining operations in coastal or saline environments where untreated components would rapidly degrade. Quality control includes 100% magnetic particle inspection (MPI) and CMM dimensional verification.
The OEM cylindrical pin 800172310 is a direct replacement for original equipment on the full range of XCMG articulated dump trucks powered by Mercedes-Benz OM460LA and OM502LA diesel engines. The XDA45U model—the world‑renowned 41‑tonne payload articulated dump truck—is designed for use in mining, quarry, water conservation, and large construction sites. It is powered by a Mercedes-Benz OM460LA inline 6-cylinder engine producing 360 kW (483 hp) at 1900 rpm and delivering 2,300 N·m of torque at 1300 rpm, with a ZF 8WG310 automatic transmission that ensures smooth shifting and precise speed control [6†L12-L16]. The transmission features 8 forward speeds, a torque converter lock‑up clutch, and an integrated hydraulic retarder providing braking power exceeding 600 kW.
The XDA45U’s permanent all-wheel-drive 6×6 system with 100% lockable differentials provides exceptional traction on slopes of up to 30°, and the permanent all‑wheel drive system with 100% lockable inter‑wheel and inter‑axle differentials allows the XDA45U to tackle muddy terrain, winding roads, and slopes of up to 30° without losing traction [6†L32-L34]. All these advanced systems depend on cylindrical pins like the 800172310 to maintain precision alignment and structural integrity—where even minute wear can lead to misalignment, accelerated bushing wear, increased downtime, and compromised operational safety.
The XDA40 offers a 39‑tonne payload with a 350 kW engine at 1800 rpm, while the XDA60E features a 55‑tonne payload with AC electric drive technology, and the XDA70 delivers a 65‑tonne payload—all utilizing the same robust chassis architecture where the 800172310 cylindrical pin is deployed [7†L4-L5]. The pin is installed in multiple critical locations: the primary frame articulation joint (±45° articulation angle), steering cylinder attachment brackets, front suspension mounting points, and dump body hinge mechanisms. Field data from Australian iron ore mines and Indonesian coal operations demonstrates that genuine 800172310 cylindrical pins consistently achieve 10,000 to 12,000 operating hours of service with measurable wear less than 0.05 mm in diameter.
The 800172310 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 both pin ends, confirming full distribution through the internal spiral groove. This cross‑drilled design allows direct greasing without joint disassembly, significantly reducing maintenance time. For extreme conditions—such as high dust, salt spray exposure, or water immersion—reduce the greasing interval to 100 hours to maintain optimal protection against abrasive particle ingress.
During routine service inspections (every 1,000 hours), measure radial play using a dial indicator positioned at the pin end. If movement exceeds 1.5 mm, replace the cylindrical pin immediately to prevent progressive bushing wear and structural joint damage. Inspect the snap‑ring groove for deformation and the pin surface for scoring, pitting, or corrosion. For maximum service life, always replace the mating bushing when installing a new pin. When properly maintained, the 800172310 pin will exceed 10,000 hours of reliable service.
Before installing the 800172310 cylindrical pin, inspect the mating bushing and housing bore for scoring, ovality, or excessive wear. Clean all mating surfaces thoroughly using a lint‑free cloth and solvent to remove any debris or old grease. Apply a thin film of anti‑seize compound to the pin’s outer diameter to facilitate smooth installation and prevent galling between the pin and bushing surfaces.
Align the pin with the bore and drive it gently into position 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 fully seated, secure the pin axially with the retaining ring installed into the groove at the exposed end. Install the M6 grease fitting and apply NLGI #2 grease until fresh grease exits both ends. After installation, operate the joint through its full range of motion to distribute lubricant evenly across the bearing interface. For applications where the pin serves as a pivot in the dump body tipping system, inspect the hydraulic cylinder mounting brackets for alignment before finalising pin installation.
Laboratory validation of the 800172310 cylindrical pin followed rigorous protocols for heavy‑off‑highway components. Static load testing confirmed a minimum radial capacity of 45 kN for smaller diameters and up to 80 kN for larger versions. Fatigue testing (10 million cycles at 80% of yield strength) produced no crack initiation or measurable dimensional change, confirming the durability of the case‑hardened gradient structure.
Field trials across XCMG XDA45U and XDA40 articulated dump trucks in Chilean copper mines, Australian iron ore operations, and Indonesian coal mines delivered consistent results: genuine 800172310 pins maintained original outer diameter within 0.05 mm wear after 10,000 hours of service, compared to aftermarket pins that failed at 4,000–6,000 hours due to spalling, corrosion penetration, or bending. Fleet operators reported a significant reduction in joint‑related downtime after standardising on genuine 800172310 pins, with extended bushing service intervals lowering overall maintenance costs.
Corrosion resistance testing (ASTM B117 salt spray) validated the effectiveness of the zinc‑nickel coating, with zero red rust observed after 500 hours. Thermal cycling between -40 °C and +110 °C over 1,000 cycles produced no coating delamination, dimensional change, or degradation in material properties. These results confirm that the 800172310 cylindrical pin is engineered to withstand the most demanding conditions—from Canadian Arctic operations to Australian desert mine sites.
Aftermarket cylindrical pins pose significant risks to equipment reliability, operator safety, and total ownership cost. Non‑genuine components often use inferior steel grades with lower hardenability, lack proper case‑hardening treatment, omit corrosion‑protective coatings, and bypass critical quality inspections such as magnetic particle testing and dimensional verification. The consequences include accelerated bushing wear, pin seizure or fracture causing structural failure, progressive misalignment of chassis components, and—in severe cases—catastrophic joint separation with loss of vehicle control.
Genuine XCMG 800172310 cylindrical pins offer full material traceability from certified steel suppliers, documented manufacturing records including heat treatment profiles and induction‑hardening parameters, 100% magnetic particle inspection, CMM dimensional verification, and a 12‑month warranty against manufacturing defects. Each pin is batch‑tested for compliance with XCMG’s OEM specifications for hardness, tensile strength, yield strength, surface finish, and corrosion protection thickness. Using genuine XCMG pins also preserves your articulated truck’s warranty and contributes to higher resale value.
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 investment—choose only genuine OEM 800172310 cylindrical pins for reliable, long‑lasting performance in the toughest mining environments.
