• 25 Clutch81
• 26 Manual transmission415
• 27 Automatic transmission519
• 28 Transfer case12
• 29 Pedal assembly21
• 31 Frame, trailer operation15
• 32 Suspension35
• 33 Front axle93
• 35 Rear axle219
• 40 Wheels, chassis alignment check47
• 41 Propeller shaft37
• 42 Brakes - hydraulic and mechanical systems323
• 43 Brakes - pneumatic system and auxiliary brakes14
• 46 Steering89
• 54 Electrical system, equipment and instruments202
• 55 Auxiliary drive systems, hydraulic and linkage systems7