Common Heavy Equipment & Truck Parts Explained

Understanding various components helps with maintenance and repair:

• Fuel Injector (燃油喷射器): Delivers fuel into the engine cylinder. Installed in the cylinder head or intake manifold. Example: Cummins ISX15 Fuel Injector.

• Turbocharger (涡轮增压器): Uses exhaust gases to spin a turbine, forcing more air into the engine for increased power. Mounted between the exhaust manifold and the intake system. Example: Caterpillar CAT C15 Turbocharger.

• Radiator (散热器): Dissipates heat from the engine coolant. Located at the front of the vehicle, behind the grill. Example: Komatsu PC200-8 Radiator.

• Alternator (交流发电机): Generates electrical power to charge the battery and run electrical systems. Usually mounted on the engine block, driven by a belt. Example: John Deere 8R Alternator.

• Starter Motor (启动马达): Engages the engine flywheel to start the engine. Typically mounted near the flywheel housing. Example: Volvo VNL D13 Starter Motor.

• Water Pump (水泵): Circulates coolant through the engine and radiator. Mounted on the engine block, often belt-driven. Example: excavator_model_example Water Pump. Note: Using a generic example as a specific model wasn't provided.

• EGR Valve (废气再循环阀): Recirculates a portion of exhaust gases back into the intake to reduce emissions. Located on the exhaust or intake manifold. Example: Freightliner Cascadia DD15 EGR Valve.

• DPF (柴油颗粒过滤器): Captures soot from diesel exhaust gases. Part of the exhaust system. Example: Kenworth T680 PACCAR MX-13 DPF.

• Transmission Control Module (变速箱控制模块): Electronic unit managing transmission shifting and functions. Location varies, often inside or near the transmission or frame rail. Example: Caterpillar 980M Transmission Control Module.

• Power Steering Pump (动力转向泵): Provides hydraulic pressure for power steering. Mounted on the engine and belt-driven. Example: Mack CHU MP8 Power Steering Pump.