• 25 Clutch22
• 26 Manual transmission99
• 27 Automatic transmission44
• 28 Transfer case75
• 29 Pedal assembly11
• 31 Frame, trailer operation62
• 32 Suspension26
• 33 Front axle65
• 35 Rear axle46
• 40 Wheels, chassis alignment check31
• 41 Propeller shaft5
• 42 Brakes - hydraulic and mechanical systems21
• 43 Brakes - pneumatic system and auxiliary brakes22
• 46 Steering119
• 54 Electrical system, equipment and instruments7
• 55 Auxiliary drive systems, hydraulic and linkage systems1
• 57 Central lubrication system2