- 25 Clutch69
- 26 Manual transmission409
- 27 Automatic transmission10
- 29 Pedal assembly16
- 31 Frame, trailer operation3
- 32 Suspension43
- 33 Front axle68
- 35 Rear axle223
- 40 Wheels, chassis alignment check84
- 41 Propeller shaft17
- 42 Brakes - hydraulic and mechanical systems308
- 43 Brakes - pneumatic system and auxiliary brakes9
- 46 Steering92
- 54 Electrical system, equipment and instruments62