- 25 Clutch90
- 26 Manual transmission193
- 27 Automatic transmission42
- 29 Pedal assembly8
- 31 Frame, trailer operation61
- 32 Suspension80
- 33 Front axle2
- 35 Rear axle1
- 40 Wheels, chassis alignment check32
- 41 Propeller shaft5
- 42 Brakes - hydraulic and mechanical systems67
- 43 Brakes - pneumatic system and auxiliary brakes57
- 46 Steering18
- 54 Electrical system, equipment and instruments138
- 55 Auxiliary drive systems, hydraulic and linkage systems4
- 57 Central lubrication system18