• 25 Clutch24
• 26 Manual transmission414
• 27 Automatic transmission155
• 28 Transfer case86
• 29 Pedal assembly10
• 31 Frame, trailer operation45
• 32 Suspension47
• 33 Front axle66
• 35 Rear axle110
• 40 Wheels, chassis alignment check39
• 41 Propeller shaft6
• 42 Brakes - hydraulic and mechanical systems28
• 43 Brakes - pneumatic system and auxiliary brakes9
• 46 Steering100
• 54 Electrical system, equipment and instruments8
• 55 Auxiliary drive systems, hydraulic and linkage systems1
• 57 Central lubrication system3