- 25 Clutch31
- 26 Manual transmission200
- 27 Automatic transmission420
- 28 Transfer case5
- 29 Pedal assembly16
- 31 Frame, trailer operation6
- 32 Suspension46
- 33 Front axle17
- 35 Rear axle148
- 40 Wheels, chassis alignment check62
- 41 Propeller shaft33
- 42 Brakes - hydraulic and mechanical systems90
- 43 Brakes - pneumatic system and auxiliary brakes5
- 46 Steering100
- 54 Electrical system, equipment and instruments66