XCMG Common Rail Injector OEM 800172398 – Precision Fuel Injection for Articulated Dump Trucks

The XCMG Common Rail Injector 800172398 is a precision high-pressure fuel injection component designed for the advanced diesel engines powering XCMG articulated dump trucks (ADTs). This genuine XCMG 800172398 common rail injector delivers precisely metered, highly atomized fuel directly into each cylinder at pressures exceeding 2,000 bar (29,000 psi). XCMG XDA30, XDA40, XDA45, XDA45U, and TA30 ADTs depend on 800172398 for optimal combustion, maximum power output, and reduced exhaust emissions.

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Parameter	Specification / Detail
OEM Part Number	800172398
Product Name	Common Rail Injector / Diesel Fuel Injector
Brand	XCMG (Genuine OEM / Collaborative Supply with Bosch)
Injector Type	Solenoid‑Actuated (High‑Pressure Common Rail)
Max. Injection Pressure	≥ 2,000 bar (29,000 psi) / Up to 2,500 bar for certain engine variants
Number of Nozzle Holes	7 holes (optimized spray pattern for OM460/OM502 combustion chamber)
Nozzle Diameter	0.14 mm (precision micro‑drilled orifices)
Spray Angle	150° (optimized for swirl combustion chamber design)
Body Material	Corrosion‑Resistant Stainless Steel / Hardened Alloy Steel
Seal Kit (Recommended)	Includes copper washer, Teflon combustion seal, O‑ring
Compatible ADT Models	XCMG XDA30, XDA40, XDA45, XDA45U, TA30, XDA60
Compatible Engines	Mercedes‑Benz OM460LA, OM502; Yuchai YC6K; Weichai WP13; Cummins QSL
Service Life (Typical)	8,000 – 12,000 hours (depending on fuel quality and maintenance)
Quality Standards	IATF 16949:2023, ISO 9001:2025, ISO 4406 (Cleanliness Code 18/16/13)
Country of Origin	China (XCMG Group / Collaborative Supply Chain)

The XCMG XDA45U articulated dump truck is powered by a Mercedes‑Benz OM460LA inline six‑cylinder diesel engine producing 360 kW (483 hp) at 1,900 rpm and an impressive 2,300 N·m of peak torque at 1,300 rpm. The common rail injector 800172398 is responsible for delivering precisely metered, highly atomized fuel into each cylinder at the exact moment commanded by the engine control unit (ECU). This precision timing and metering ensure complete combustion, maximum power extraction, and minimal exhaust emissions. The injector operates at injection pressures exceeding 2,000 bar, creating extremely fine fuel droplets that mix rapidly with compressed intake air for near‑instantaneous combustion.

The XDA40 articulated dump truck, which carries a 39,000 kg payload, is powered by the Mercedes‑Benz OM502 V8 diesel engine producing 350 kW (475 hp) at 1,800 rpm and also 2,300 N·m of torque at 1,300 rpm. The common rail injector 800172398 is used across all eight cylinders, delivering fuel at up to 2,000 bar with multiple injection events per combustion cycle (pilot, main, post‑injections) to optimize combustion, reduce combustion noise, and enable efficient exhaust aftertreatment regeneration. The injector`s solenoid valve opens and closes in milliseconds under ECU command, with opening times as short as 250‑400 µs.

The XCMG XDA30 articulated dump truck, with a 30‑metric‑ton payload, is powered by the Yuchai YC6K six‑cylinder diesel engine producing 290 kW at 2,100 rpm and 1,900 N·m of torque at 1,100‑1,400 rpm. The common rail injector 800172398 is also compatible with the Yuchai YC6K engine platform, which features an electronically controlled common rail fuel injection system that helps reduce emissions, noise, and fuel consumption while delivering enhanced torque and power. The injector`s multi‑hole nozzle design—typically seven micro‑orifices measuring 0.14 mm in diameter—produces a 150° spray angle that perfectly matches the combustion bowl geometry for complete air‑fuel mixing.

The common rail injector 800172398 is manufactured using advanced production processes typical of high‑precision fuel injection components. The injector body is machined from corrosion‑resistant stainless steel or hardened alloy steel, with critical internal components such as the nozzle needle, valve seat, and control piston hardened to exacting specifications to resist wear over thousands of operating hours. The nozzle tip features seven laser‑drilled micro‑orifices of 0.14 mm diameter, each positioned with extreme precision to produce the defined spray pattern. The sac volume is minimized (0.3 mm³) to reduce hydrocarbon emissions after injection. The solenoid coil is precision‑wound and fully encapsulated to protect against moisture, vibration, and thermal cycling.

Each genuine XCMG common rail injector undergoes rigorous quality control testing to ensure it meets original equipment specifications. Every injector is 100% flow‑tested on specialized test benches to verify fuel delivery volume across its entire operating range, with static flow rates measured at multiple test pressures. The injector is also tested for opening pressure, leak‑tightness, spray pattern quality, and electrical solenoid response time. Random samples from each batch are subjected to accelerated life testing on high‑frequency pulse rigs, cycling the injector millions of times to simulate years of field service.

XCMG field data from XDA40 and XDA45U ADT fleets operating in Australian iron ore mines and Chilean copper mines shows that the genuine common rail injector 800172398 consistently achieves service lives exceeding 8,000‑10,000 hours when used with properly filtered, high‑quality diesel fuel and when following XCMG`s recommended maintenance schedule. Aftermarket injectors, which may be manufactured with inferior materials or lack the precision calibration of genuine XCMG components, often fail or require replacement significantly earlier. Common failure modes for injectors include nozzle fouling from poor fuel quality, internal wear leading to reduced injection pressure and poor atomization, stuck or slow‑responding needle valves, electrical coil failure, and seal degradation leading to combustion gas blow‑by.

The Weichai WP13 engine platform—used in certain XCMG ADT configurations—features electronically controlled high‑pressure common rail fuel injection and a four‑valve structure that brings higher intake efficiency, enhanced torque, and power. The common rail injector 800172398 is fully compatible with the WP13 engine`s injection system, which operates at working pressures of up to 35 MPa in the hydraulic system and requires precise fuel delivery for optimal performance. Proper injector calibration and coding to the ECU are essential for maintaining cylinder‑to‑cylinder fuel balance, ensuring smooth engine operation, and achieving the expected fuel economy and emissions performance.

Common signs of a failing common rail injector 800172398 include rough idle, reduced engine power, increased fuel consumption, excessive exhaust smoke (white or black), engine misfire under load, increased oil dilution with diesel fuel, and the presence of diagnostic trouble codes related to injector circuits. If any of these symptoms appear, the injectors should be professionally diagnosed using a compatible scan tool and, if necessary, removed and flow‑tested.

Replacing a common rail injector requires extreme care due to the high pressures involved. Never work on the injection system with the engine running or within 30 seconds after the engine stops, as residual pressure can exceed 1,800 bar and cause serious injury. Before removal, thoroughly clean the area around the injector to prevent contamination from entering the cylinder head. When installing a new injector, always replace the sealing components—copper washer, Teflon combustion seal, and O‑ring—using the recommended seal kit. The injector hold‑down bolt must be torqued to the specified value (typically 25 N·m + 180° for torque‑to‑yield designs). After installation, the injector must be coded to the ECU using a diagnostic scan tool, entering the unique IMA code (individual injector flow calibration) that ensures proper fuel delivery.

XCMG recommends inspecting common rail injectors during every major engine service interval, typically every 2,000‑4,000 operating hours, and performing professional cleaning or recalibration as needed. Use only high‑quality diesel fuel with proper cetane rating and adequate lubricity to protect the injector`s precision‑ground internal components. Ensure the fuel filter is replaced at the recommended intervals, as contaminated fuel is the leading cause of injector failure. For fleet managers, stocking genuine XCMG common rail injector 800172398 and full injector seal kits reduces downtime and ensures that service work can proceed without waiting for parts.

The common rail injector 800172398 is compatible with the full range of 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, updated OM473 engine). The injector is designed for the Mercedes‑Benz OM460LA and OM502 engine families, as well as Yuchai YC6K and Weichai WP13 variants used in certain markets. It is also used in XCMG wheel loaders (LW series) and motor graders (GR215, GR300, GR350) that share the same fuel injection architecture.

XCMG`s manufacturing facility for the common rail injector 800172398 is certified to IATF 16949:2023 (automotive quality management) and ISO 9001:2025. Each production batch undergoes 100% functional testing to ensure compliance with global fuel injection standards. The injector is collaboratively supplied through XCMG`s global network, ensuring consistency with original equipment specifications. The genuine XCMG common rail injector is stocked in regional distribution centers located 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. Use the inquiry button above to request a quote or place an order for genuine XCMG common rail injector 800172398.

XCMG and the XCMG logo are registered trademarks of Xuzhou Construction Machinery Group Co., Ltd.
OEM part number 800172398 is an original manufacturer reference for a genuine XCMG common rail injector. All specifications are derived from XCMG engineering standards and field validation data.