- 25 Clutch17
- 26 Manual transmission13
- 27 Automatic transmission435
- 28 Transfer case65
- 29 Pedal assembly8
- 31 Frame, trailer operation16
- 32 Suspension57
- 33 Front axle74
- 35 Rear axle260
- 40 Wheels, chassis alignment check102
- 41 Propeller shaft32
- 42 Brakes - hydraulic and mechanical systems97
- 43 Brakes - pneumatic system and auxiliary brakes8
- 46 Steering101
- 54 Electrical system, equipment and instruments93