Final Drive (Planetary Gear Set): Location: Installed at the end of the wheel or track drive system. Function: Provides the final speed reduction and torque increase. Example: Caterpillar D8T Final Drive

Hydraulic Pump (Main): Location: Attached directly to the engine or gearbox. Function: Converts mechanical energy into hydraulic energy to power actuators. Example: Komatsu PC200-8 Hydraulic Main Pump

Fuel Injector: Location: Screwed into the engine cylinder head. Function: Sprays atomized fuel into the combustion chamber. Example: Cummins ISX15 Fuel Injector

Brake Caliper: Location: Mounted over the brake rotor on the wheel hub. Function: Houses the brake pads and pistons to squeeze the rotor and slow the vehicle. Example: Volvo FH16 Brake Caliper

Tie Rod End: Location: Connects the steering rack/box to the steering knuckle. Function: Pivots to allow wheel movement and steering. Example: John Deere 7200R Tie Rod End

Turbocharger Cartridge (CHRA): Location: Inside the turbocharger housing between the compressor and turbine wheels. Function: The rotating core assembly that compresses air. Example: Garrett GT2260V CHRA

Water Pump: Location: Mounted on the engine block or front cover. Function: Circulates coolant between the engine and the radiator. Example: Isuzu 6HK1 Water Pump

Alternator: Location: Mounted on the engine and belt-driven. Function: Converts mechanical energy into electrical energy to charge the battery. Example: Scania R730 Alternator

Track Roller (Bottom Roller): Location: Along the underside of the track frame. Function: Supports the weight of the excavator/dozer and guides the track chain. Example: Hitachi ZX330 Track Roller

Hydraulic Cylinder (Boom): Location: Connects the main frame to the boom arm. Function: Extends and retracts the boom using hydraulic pressure. Example: Kubota KX080-4 Hydraulic Boom Cylinder