• 25 Clutch35
• 26 Manual transmission351
• 27 Automatic transmission44
• 28 Transfer case1
• 29 Pedal assembly11
• 31 Frame, trailer operation63
• 32 Suspension55
• 33 Front axle75
• 35 Rear axle211
• 40 Wheels, chassis alignment check42
• 41 Propeller shaft5
• 42 Brakes - hydraulic and mechanical systems68
• 43 Brakes - pneumatic system and auxiliary brakes23
• 46 Steering161
• 54 Electrical system, equipment and instruments7
• 55 Auxiliary drive systems, hydraulic and linkage systems4
• 57 Central lubrication system2