Fig:- major assembly & There location on chassis frame
1. Chassis Frame: - it is backbone of vehicle. all sub systems mounted on chassis frame
2. Engine:-it is heart of vehicle. It is device which converts chemical energy into mechanical energy by the process of combustion which is than propulsion of vehicle.
3. Clutch:-It is device which engage & disengage engine power to gearbox while shifting gears
4. Gearbox:-It vary torque & speed as per requirement.
5. Propeller Shaft:-It transmits power of gearbox to differential.
6. Final Drive:-it turn power in 900 ,do some permanent speed reduction, increase & decrease speed of outer & inner wheel while taking turn.
7. Wheels & Tyres:-it carry weight of vehicle , transmit driving thrust, absorb road shocks