- 25 Clutch6
- 26 Manual transmission23
- 31 Frame, trailer operation1
- 32 Suspension4
- 33 Front axle3
- 35 Rear axle1
- 40 Wheels, chassis alignment check4
- 41 Propeller shaft2
- 42 Brakes - hydraulic and mechanical systems45
- 43 Brakes - pneumatic system and auxiliary brakes1
- 46 Steering16
- 54 Electrical system, equipment and instruments7