- 25 Clutch34
- 26 Manual transmission130
- 27 Automatic transmission44
- 29 Pedal assembly11
- 31 Frame, trailer operation62
- 32 Suspension54
- 33 Front axle68
- 35 Rear axle170
- 40 Wheels, chassis alignment check41
- 41 Propeller shaft5
- 42 Brakes - hydraulic and mechanical systems57
- 43 Brakes - pneumatic system and auxiliary brakes10
- 46 Steering122
- 54 Electrical system, equipment and instruments7
- 55 Auxiliary drive systems, hydraulic and linkage systems1
- 57 Central lubrication system2