- 25 Clutch35
- 26 Manual transmission130
- 27 Automatic transmission44
- 29 Pedal assembly11
- 31 Frame, trailer operation63
- 32 Suspension57
- 33 Front axle75
- 35 Rear axle209
- 40 Wheels, chassis alignment check43
- 41 Propeller shaft5
- 42 Brakes - hydraulic and mechanical systems60
- 43 Brakes - pneumatic system and auxiliary brakes23
- 46 Steering116
- 54 Electrical system, equipment and instruments7
- 55 Auxiliary drive systems, hydraulic and linkage systems1
- 57 Central lubrication system2