- 25 Clutch48
- 26 Manual transmission691
- 27 Automatic transmission109
- 29 Pedal assembly12
- 31 Frame, trailer operation61
- 32 Suspension56
- 33 Front axle109
- 35 Rear axle146
- 40 Wheels, chassis alignment check44
- 41 Propeller shaft5
- 42 Brakes - hydraulic and mechanical systems185
- 43 Brakes - pneumatic system and auxiliary brakes88
- 46 Steering87
- 54 Electrical system, equipment and instruments21
- 55 Auxiliary drive systems, hydraulic and linkage systems1
- 57 Central lubrication system2