- 25 Clutch21
- 26 Manual transmission134
- 29 Pedal assembly2
- 31 Frame, trailer operation13
- 32 Suspension26
- 33 Front axle12
- 35 Rear axle40
- 40 Wheels, chassis alignment check14
- 41 Propeller shaft6
- 42 Brakes - hydraulic and mechanical systems169
- 43 Brakes - pneumatic system and auxiliary brakes3
- 46 Steering24
- 54 Electrical system, equipment and instruments27