- 25 Clutch13
- 26 Manual transmission68
- 27 Automatic transmission1
- 28 Transfer case2
- 31 Frame, trailer operation1
- 32 Suspension6
- 33 Front axle30
- 35 Rear axle68
- 40 Wheels, chassis alignment check1
- 41 Propeller shaft1
- 42 Brakes - hydraulic and mechanical systems8
- 43 Brakes - pneumatic system and auxiliary brakes2
- 46 Steering52