- 25 Clutch1
- 26 Manual transmission67
- 27 Automatic transmission64
- 29 Pedal assembly3
- 31 Frame, trailer operation1
- 32 Suspension29
- 33 Front axle29
- 35 Rear axle32
- 40 Wheels, chassis alignment check83
- 41 Propeller shaft5
- 42 Brakes - hydraulic and mechanical systems100
- 43 Brakes - pneumatic system and auxiliary brakes10
- 46 Steering53
- 54 Electrical system, equipment and instruments260