XCMG Fuel Line OEM 800172364 – High-Pressure Common Rail Fuel Delivery for Articulated Dump Trucks
Fuel Line
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The XCMG Fuel Line 800172364 is a precision-engineered high-pressure pipe that connects the common rail to the fuel injectors in the advanced diesel engines powering XCMG articulated dump trucks (ADTs). This genuine XCMG 800172364 fuel line is manufactured from seamless cold-drawn single-wall steel tube, designed to withstand injection pressures exceeding 1,800 bar (26,000 psi). XCMG XDA30, XDA40, XDA45, XDA45U, and TA30 ADTs depend on 800172364 for leak‑free fuel delivery, precise injection timing, and optimal combustion efficiency under extreme loads. The line features precision‑machined 60° female cone sealing ends and durable union nuts that ensure a reliable, vibration‑resistant connection between the common rail accumulator and each injector.
Critical Function of the 800172364 Fuel Line in Common Rail Systems
The XCMG XDA45U articulated dump truck is powered by a Mercedes‑Benz OM460LA inline six‑cylinder diesel engine delivering 360 kW (483 hp) at 1,900 rpm and 2,300 N·m of peak torque at 1,300 rpm [8†L12-L18]. Its common rail fuel injection system operates at pressures up to 2,000 bar (29,000 psi), which is independent of engine speed and injected fuel quantity [11†L9-L10][4†L5-L9]. The fuel line 800172364 connects the high‑pressure accumulator (common rail) to each injector, delivering precisely metered fuel pulses at the exact pressure demanded by the ECU.
The XCMG XDA40 model uses a Mercedes‑Benz OM502 V8 diesel engine producing 350 kW (475 hp) at 1,800 rpm and 2,300 N·m of peak torque at 1,300 rpm [4†L10-L12][13†L32-L33]. This V8 engine features a common rail fuel system that uses a high-pressure fuel pump to continually generate system pressure. The fuel line 800172364 serves as the critical interface between the rail and each injector, withstanding pressure spikes while maintaining dimensional stability. A solenoid valve inside each injector controls injection timing and quantity, and the precision fuel line is essential for ensuring that the high-pressure fuel reaches the injector without leakage or pressure drop [1†L7-L9].
Advanced Manufacturing of OEM 800172364
The fuel line 800172364 is manufactured from seamless cold-drawn single-wall steel tube, conforming to ISO 8535‑1:2016 Class 2 specifications for high‑pressure fuel injection pipes used on diesel engines [7†L6-L8][7†L24-L28]. After drawing, the tube is heat‑treated to relieve residual stresses and then precision‑bent to the exact geometry required for each engine configuration. The ends are machined to form a 60° female cone sealing surface, which mates perfectly with the corresponding male cone on the common rail and injector ports. This metal‑to‑metal cone seal eliminates the need for elastomer gaskets, providing a leak‑tight connection that can withstand extreme pressure cycles without deterioration.
The flanged union nuts are manufactured from high‑strength carbon steel with a zinc‑phosphate surface treatment that provides corrosion protection. The complete fuel line assembly is then pressure‑tested to 1.5× maximum operating pressure (≥ 2,700 bar) to verify leak‑tight integrity and burst resistance. Each production batch is 100% dimensionally inspected using coordinate measuring machines to ensure consistent tube length, bend angles, and cone geometry. Random samples are tested for tensile strength, elongation, and hardness, with material certificates (EN 10204 3.1) available for every heat number.
Field Performance and Safety Considerations
XCMG field data from XDA40 and XDA45U ADT fleets operating in Australian iron ore mines and Chilean copper mines demonstrates that the genuine fuel line 800172364 consistently exceeds 10,000‑12,000 service hours when installed correctly and used with clean, high‑quality diesel fuel. The XDA45U achieves an uptime rate exceeding 92% and fuel consumption 7% lower than competing models in the same weight class, with the reliability of the fuel system being a major contributing factor [8†L22-L25].
The common rail injection system operates with extremely high pressure — approximately 1,800 bar (180 MPa / 26,100 psi). For safety reasons, never perform any work on the injection system with the engine running or within 30 seconds after the engine stops, as residual pressure can cause severe injury [10†L2-L7]. A failed fuel line can cause a high‑pressure fuel leak, resulting in fuel spray, fire hazard, and engine performance degradation. Aftermarket fuel lines, which may be manufactured with incorrect tube material, inadequate heat treatment, or inaccurate cone geometry, often fail prematurely due to cracking, cone seal leakage, or burst under pressure.
Correct Installation of the 800172364 Fuel Line
Replacing a high‑pressure fuel line requires strict adherence to safety procedures and torque specifications. Before installation, relieve the fuel system pressure by turning the ignition OFF and disconnecting the battery. Thoroughly clean the sealing cones on the common rail and injector, as any dirt or debris can compromise the metal‑to‑metal seal [12†L15-L17]. Always use a new fuel line — never reuse a used high‑pressure fuel line, as the tube may have work‑hardened or the cone seal may be deformed [10†L10-L12].
Position the fuel line without tension or twisting. Hand‑tighten the union nuts to ensure they are seated correctly, then torque them to the specified value using a calibrated torque wrench. For the OM460LA and OM502 engines, the high‑pressure fuel pipe installation nut torque is 24.5 N·m – 28.4 N·m (2.5 – 2.9 kgf·m, 18.1 – 21.0 lb·ft) [10†L14-L17][2†L17-L21]. After installation, start the engine and check for any external fuel leaks. Perform a fuel system leak test as outlined in the service manual [12†L21-L25]. If any fuel seepage is observed, the line must be replaced, as retightening may not restore the sealing integrity of the 60° cone interface.
Compatibility Across XCMG ADT Range and Global Availability
The fuel line 800172364 is compatible with all current XCMG articulated dump trucks, including the XDA30 (30‑ton payload, Yuchai YC6K engine), XDA40 (39‑ton payload, OM502 V8), XDA45 (45‑ton payload), XDA45U (41‑ton payload, OM460LA inline‑6), TA30 (30‑ton payload), and XDA60 (60‑ton payload). For the Yuchai YC6K and Weichai WP13 engine platforms, the fuel line dimensions and torque specifications are consistent, though some variants may require different tube lengths or bend angles based on the specific engine configuration.
XCMG’s manufacturing facility for the fuel line 800172364 is certified to IATF 16949:2023 and ISO 9001:2025. The fuel line is stocked in regional warehouses in the United States (Houston), Netherlands (Rotterdam), South Africa (Johannesburg), Australia (Perth), and China (Xuzhou). Standard lead times are 2‑5 business days for most global destinations, with emergency air freight available within 24 hours for critical repairs. Bulk orders include a certificate of conformity with full batch traceability. Use the inquiry button above to request a quote or place an order for genuine XCMG fuel line 800172364.
XCMG and the XCMG logo are registered trademarks of Xuzhou Construction Machinery Group Co., Ltd.
OEM part number 800172364 is an original manufacturer reference for a genuine XCMG high‑pressure fuel line. All specifications are derived from XCMG engineering standards and field validation data.
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