- 25 Clutch24
- 26 Manual transmission45
- 28 Transfer case61
- 29 Pedal assembly4
- 31 Frame, trailer operation1
- 32 Suspension12
- 33 Front axle56
- 35 Rear axle105
- 40 Wheels, chassis alignment check11
- 41 Propeller shaft3
- 42 Brakes - hydraulic and mechanical systems83
- 43 Brakes - pneumatic system and auxiliary brakes1
- 46 Steering148
- 54 Electrical system, equipment and instruments1
- 55 Auxiliary drive systems, hydraulic and linkage systems1