| 1. The chassis
2. The drive line
3. The clutch
4. The transmission
5. The propeller shaft
6. The final drive
7. The differential
8. The running gear
9. The control mechanisms
10. The body of the truck
11. The engine
| 1. is the backbone of the automobile, it includes the frame, front and rear axles, springs, shock absorbers, wheels, and tires.
2. is to provide a means to transmit torque and to disconnect the engine from the drive line at times and to smoothly connect them again.
3. converts the fuel energy into mechanical power.
4. comprises the drive line, running gear and control mechanisms (steering and braking systems)
5. consists of mechanisms and units which transmit torque from the engine to the drive wheels and change torque and rpm in magnitude and direction. Among these mechanisms and units are the clutch, transmission (gearbox), propeller shaft, and final drive comprising differential and axle shafts.
6. allows the driving wheels to rotate at a different speed.
7. converts torque in magnitude and direction, allows the automobile to move forth and back and the engine to be disconnected from the drive line for a longer period of time.
8. is used to transmit torque from the transmission to the final drive at varying angles.
9. changes torque and transmits it from the propeller shaft through the differential to the axle shafts at a right angle.
10. comprises a cargo body and a driver's cab. The fenders, radiator grille, hood, and mudguards also belong to this part.
11. consist of the steering system for changing the direction of movement and the brakes for decelerating and stopping the automobile.
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