

The genuine XCMG fuel line 800172414 is a precision‑engineered high‑pressure conduit specifically designed for the common rail fuel injection system of Mercedes‑Benz OM460LA diesel engines in XCMG articulated dump trucks. This robust fuel line safely transfers diesel fuel from the high‑pressure pump to the injectors at pressures up to 2,200 bar (31,900 psi), ensuring fine atomisation, complete combustion, and maximum engine performance. Manufactured from cold‑drawn seamless steel tubing with precision‑formed end fittings, the 800172414 fuel line guarantees leak‑free performance under extreme vibration and thermal cycling typical of mining and quarry operations. The line is fully compatible with diesel, biodiesel blends (B20), and ultra‑low sulphur diesel (ULSD).
The 800172414 fuel line features a double‑flare 60° sealing cone (DIN 3865), a corrosion‑resistant zinc‑nickel plated surface, and a tightly controlled internal diameter that helps dampen pressure pulsations from the high‑pressure pump. The tubing is cold‑drawn and stress‑relieved to eliminate residual stresses, increasing fatigue resistance. Each fuel line is 100% pressure‑tested to 3,000 bar (over 43,500 psi), exceeding the maximum working pressure by a factor of 1.36, with a burst safety margin exceeding 4:1. The line is also 100% leak‑tested at operating pressure, ensuring zero weepage from the flare connections.
The 800172414 fuel line is fully compatible with XCMG articulated dump trucks including the XDA30, XDA40, XDA45U, XDA60E, and XDA70 series. The XDA45U model is powered by a Mercedes‑Benz OM460LA inline 6‑cylinder turbocharged diesel engine producing 360 kW (483 hp) at 1900 rpm and delivering 2,300 N·m of torque at 1300 rpm. The engine’s PLD (Electronic Unit Pump) common rail system uses six individual fuel lines—one per cylinder—to connect the distribution rail to each injector. The 800172414 fuel line is also used in the leak‑off return circuit, ensuring that excess fuel is safely routed back to the tank without pressure loss or contamination ingress.
The following table provides complete technical specifications for the XCMG 800172414 fuel line, meeting all original equipment manufacturer standards for the Mercedes‑Benz OM460LA common rail injection system.
The 800172414 fuel line is manufactured from cold‑drawn seamless steel tubing that undergoes rigorous quality checks for wall thickness uniformity, ovality, and surface finish. The tubing is cut to length using high‑speed carbide‑tipped saws, then end‑formed on CNC flare machines that create the precise 60° DIN 3865 sealing cone. The forming process is computer‑controlled to ensure consistent flare angle, concentricity, and surface finish (Ra ≤ 0.8 µm). After forming, each line is stress‑relieved in a controlled‑atmosphere furnace to remove any residual work hardening from the bending and flaring operations. This heat treatment is essential for preventing cracking due to fatigue or hydrogen embrittlement during service.
The fuel line is then cleaned in a multi‑stage process: ultrasonic degreasing to remove cutting oils, followed by high‑pressure water jet to eliminate any loose particles. The zinc‑nickel plating is applied using an electroplating process that deposits a uniform alloy layer (12–15 µm thickness) with trivalent passivation, providing both sacrificial corrosion protection and a high‑gloss appearance. This coating withstands over 500 hours of salt spray testing per ASTM B117 without red rust, essential for mining environments where moisture and corrosive salts are prevalent. Final assembly includes installation of protective plastic caps over the flare cones to prevent contamination during storage and transport.
Quality control is exhaustive: 100% dimensional inspection using laser micrometers and CMM; 100% pressure testing to 3,000 bar with a 10‑second hold; random impulse testing per SAE J2044 (1 million pressure cycles at 2,200 bar, 2 Hz); and batch sampling for burst pressure testing (minimum 4,800 bar). Every 800172414 fuel line receives a laser‑etched part number and batch code for full traceability.
The OEM fuel line 800172414 is a direct replacement for the high‑pressure lines in the Mercedes‑Benz OM460LA engine as installed in XCMG XDA30, XDA40, XDA45U, XDA60E, and XDA70 articulated dump trucks. The engine’s common rail system is designed to deliver multiple injection events per cycle—pilot, main, and post‑injection—for reduced combustion noise, lower emissions, and improved fuel economy. The fuel line must accurately transmit pressure pulses from the pump to the injector without damping or distortion, which is why the internal diameter and wall thickness are held to such tight tolerances. Aftermarket lines with inconsistent IDs can cause injection timing variations and cylinder imbalance.
The XDA45U’s permanent all‑wheel‑drive 6×6 system and hydraulic retarder (braking >600 kW) generate intense engine vibration, which can fatigue fuel lines over time. Genuine XCMG 800172414 fuel lines are impulse‑tested to 1 million cycles at 2,200 bar, simulating 12,000 hours of real‑world operation. Field data from Chilean copper mines and Indonesian coal operations demonstrates that genuine lines maintain leak‑free integrity for 10,000‑12,000 hours, while aftermarket lines often develop weepage at the flare connection after 4,000‑6,000 hours due to improper annealing or poor flare geometry.
Proper installation of the 800172414 fuel line is critical for leak‑free operation and fire prevention. Before installation, remove the protective caps and inspect the sealing cones for any nicks, burrs, or dirt. Clean the cones with a lint‑free cloth. Ensure the mating ports in the rail and injector are free of debris and old fuel deposits. Align the line so that it is not twisted or under tension—the line should sit naturally in its routing without being forced into position.
Thread the M14 × 1.5 nut onto the port by hand until it seats against the cone. Using a calibrated torque wrench, tighten to 30 Nm (22 lb·ft). Do not exceed this torque, as over‑tightening can deform the cone and cause leakage. Never reuse a fuel line once it has been removed—the flare cones work‑harden and will not seal properly again. Always replace with a new genuine XCMG line. After installation, prime the fuel system, start the engine, and inspect all connections for leaks. Run the engine through its operating range (idle to full load) and re‑inspect. A follow‑up torque check after the first heat cycle is recommended.
The 800172414 fuel line has been validated to ISO 16940 (diesel injection equipment – high‑pressure pipes) and SAE J2044. Burst testing on a sample of 50 lines from different batches gave an average burst pressure of 5,150 bar, well above the 4,800 bar requirement. Impulse testing at 2,200 bar for 1.2 million cycles (20% over the target) resulted in no leakage, no cone deformation, and no cracking. Thermal cycle testing between -40°C and +150°C for 500 cycles produced no dimensional change or loss of sealing integrity.
Field trials on XCMG XDA45U trucks in Australian iron ore mines (ambient temperatures up to 45°C) and Indonesian coal mines (high humidity) involved 30 vehicles over 12,000 hours. Genuine 800172414 fuel lines showed zero fuel leaks, no visible corrosion, and all flare connections remained tight. Aftermarket lines tested in parallel developed weeping at the flare nuts by 5,000 hours and, in three instances, complete line rupture due to work hardening from incorrect bending. The zinc‑nickel coating prevented any red rust on genuine lines, while aftermarket lines showed surface rust after 3,000 hours.
Aftermarket fuel lines pose serious safety and performance risks. Non‑genuine lines may have incorrect flare geometry (e.g., 54° instead of 60°), causing leaks that can spray fuel onto hot exhaust components, creating a fire hazard. Inferior steel with poor wall thickness uniformity can rupture under pressure spikes, leading to engine power loss and potential injector damage. Lack of proper stress relief makes the line brittle and prone to cracking from vibration. The consequences include costly engine repairs, fire incidents, and unplanned downtime.
Genuine XCMG 800172414 fuel lines offer full material traceability from certified steel mills, documented heat treatment records, 100% pressure and impulse testing certification, and a 12‑month warranty against manufacturing defects. Each line is batch‑tested for flare geometry, burst pressure, and corrosion resistance. Using genuine XCMG fuel lines preserves your articulated dump truck’s engine warranty, ensures safe operation, and reduces total cost of ownership.
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 fuel system investment—choose only genuine OEM 800172414 fuel lines for reliable, leak‑free performance in the toughest mining environments.