• 25 Clutch47
• 26 Manual transmission133
• 27 Automatic transmission1
• 28 Transfer case5
• 29 Pedal assembly22
• 31 Frame, trailer operation13
• 32 Suspension26
• 33 Front axle63
• 35 Rear axle117
• 40 Wheels, chassis alignment check21
• 41 Propeller shaft8
• 42 Brakes - hydraulic and mechanical systems159
• 43 Brakes - pneumatic system and auxiliary brakes20
• 46 Steering101
• 54 Electrical system, equipment and instruments49
• 55 Auxiliary drive systems, hydraulic and linkage systems2