- 25 Clutch25
- 26 Manual transmission10
- 27 Automatic transmission42
- 29 Pedal assembly11
- 31 Frame, trailer operation44
- 32 Suspension28
- 33 Front axle2
- 40 Wheels, chassis alignment check31
- 41 Propeller shaft2
- 42 Brakes - hydraulic and mechanical systems12
- 43 Brakes - pneumatic system and auxiliary brakes7
- 46 Steering19
- 54 Electrical system, equipment and instruments5
- 57 Central lubrication system2