- 25 Clutch54
- 26 Manual transmission395
- 27 Automatic transmission182
- 28 Transfer case79
- 29 Pedal assembly16
- 31 Frame, trailer operation45
- 32 Suspension36
- 33 Front axle62
- 35 Rear axle152
- 40 Wheels, chassis alignment check33
- 41 Propeller shaft16
- 42 Brakes - hydraulic and mechanical systems28
- 43 Brakes - pneumatic system and auxiliary brakes34
- 46 Steering88
- 54 Electrical system, equipment and instruments8
- 55 Auxiliary drive systems, hydraulic and linkage systems4
- 57 Central lubrication system2