• 25 Clutch86
• 26 Manual transmission157
• 27 Automatic transmission1
• 28 Transfer case2
• 29 Pedal assembly7
• 31 Frame, trailer operation7
• 32 Suspension1
• 33 Front axle55
• 35 Rear axle42
• 40 Wheels, chassis alignment check2
• 41 Propeller shaft14
• 42 Brakes - hydraulic and mechanical systems58
• 43 Brakes - pneumatic system and auxiliary brakes22
• 46 Steering143
• 54 Electrical system, equipment and instruments51
• 55 Auxiliary drive systems, hydraulic and linkage systems46