• 25 Clutch56
• 26 Manual transmission524
• 28 Transfer case2
• 29 Pedal assembly11
• 31 Frame, trailer operation15
• 32 Suspension19
• 33 Front axle66
• 35 Rear axle201
• 40 Wheels, chassis alignment check16
• 41 Propeller shaft7
• 42 Brakes - hydraulic and mechanical systems145
• 43 Brakes - pneumatic system and auxiliary brakes19
• 46 Steering114
• 54 Electrical system, equipment and instruments135
• 55 Auxiliary drive systems, hydraulic and linkage systems1