- 25 Clutch41
- 26 Manual transmission106
- 27 Automatic transmission2
- 29 Pedal assembly17
- 31 Frame, trailer operation7
- 32 Suspension25
- 33 Front axle60
- 35 Rear axle108
- 40 Wheels, chassis alignment check17
- 41 Propeller shaft7
- 42 Brakes - hydraulic and mechanical systems162
- 43 Brakes - pneumatic system and auxiliary brakes12
- 46 Steering74
- 54 Electrical system, equipment and instruments38
- 55 Auxiliary drive systems, hydraulic and linkage systems1