- 25 Clutch48
- 26 Manual transmission161
- 27 Automatic transmission1
- 28 Transfer case7
- 29 Pedal assembly23
- 31 Frame, trailer operation11
- 32 Suspension32
- 33 Front axle65
- 35 Rear axle243
- 40 Wheels, chassis alignment check21
- 41 Propeller shaft5
- 42 Brakes - hydraulic and mechanical systems171
- 43 Brakes - pneumatic system and auxiliary brakes10
- 46 Steering116
- 54 Electrical system, equipment and instruments40