• 25 Clutch87
• 26 Manual transmission157
• 27 Automatic transmission2
• 28 Transfer case2
• 29 Pedal assembly8
• 31 Frame, trailer operation10
• 32 Suspension4
• 33 Front axle29
• 35 Rear axle53
• 40 Wheels, chassis alignment check5
• 41 Propeller shaft11
• 42 Brakes - hydraulic and mechanical systems83
• 43 Brakes - pneumatic system and auxiliary brakes23
• 46 Steering156
• 54 Electrical system, equipment and instruments58
• 55 Auxiliary drive systems, hydraulic and linkage systems52