Heavy Equipment & Auto Parts Glossary

• Komatsu PC200-8 Hydraulic Pump: The main hydraulic component installed on Komatsu excavators, driven by the engine to pressurize oil and power the boom, arm, bucket, and swing functions.

• Scania R450 Air Compressor: An engine-driven pump found on Scania heavy trucks, supplying compressed air to the vehicle's braking system, air suspension, and auxiliary pneumatic systems.

• John Deere 8R 370 Final Drive: A gear reduction unit located at the wheel hub of a John Deere tractor, providing the final torque multiplication needed to move the large agricultural tires.

• Volvo FH16 Fuel Injector: An electromechanical valve mounted in the cylinder head of a Volvo truck engine, delivering precise, high-pressure fuel spray into the combustion chamber.

• Caterpillar D9T Track Link Assembly: Part of the undercarriage on a Caterpillar bulldozer, these are the individual segments that connect to form the track chain, allowing the machine to move.

• Mercedes-Benz Actros 2651 EGR Valve: The Exhaust Gas Recirculation valve, typically mounted near the exhaust manifold on Mercedes-Benz trucks, routes a portion of exhaust gas back into the intake to cool combustion and reduce NOx emissions.

• Claas Lexion 770 Threshing Cylinder: A large, rotating component inside a Claas combine harvester that separates grain from the harvested stalks and chaff.

• MAN TGS 41.480 Intercooler: A heat exchanger mounted at the front of a MAN truck, used to cool the hot, compressed air from the turbocharger before it enters the engine's intake manifold.

• JCB 3CX Backhoe Loader Kingpin: The main pivot pin in the front steering axle of a JCB backhoe, allowing the wheel hub and steering knuckle to pivot for steering.

• Ford F-150 Transmission Control Module (TCM): An electronic computer, usually located near or inside the transmission of a Ford F-150, that controls all functions of the automatic transmission, such as shift points and clutch engagement.