• 25 Clutch12
• 26 Manual transmission173
• 27 Automatic transmission3
• 28 Transfer case1
• 29 Pedal assembly2
• 31 Frame, trailer operation1
• 32 Suspension5
• 33 Front axle55
• 35 Rear axle94
• 40 Wheels, chassis alignment check5
• 41 Propeller shaft3
• 42 Brakes - hydraulic and mechanical systems61
• 43 Brakes - pneumatic system and auxiliary brakes3
• 46 Steering85
• 54 Electrical system, equipment and instruments10
• 55 Auxiliary drive systems, hydraulic and linkage systems1