- 25 Clutch20
- 26 Manual transmission4
- 27 Automatic transmission5
- 29 Pedal assembly5
- 31 Frame, trailer operation12
- 32 Suspension53
- 33 Front axle39
- 35 Rear axle276
- 40 Wheels, chassis alignment check76
- 41 Propeller shaft18
- 42 Brakes - hydraulic and mechanical systems88
- 43 Brakes - pneumatic system and auxiliary brakes5
- 46 Steering98
- 54 Electrical system, equipment and instruments59