• 25 Clutch145
• 26 Manual transmission445
• 27 Automatic transmission62
• 28 Transfer case1
• 29 Pedal assembly24
• 31 Frame, trailer operation51
• 32 Suspension52
• 33 Front axle123
• 35 Rear axle209
• 40 Wheels, chassis alignment check47
• 41 Propeller shaft18
• 42 Brakes - hydraulic and mechanical systems169
• 43 Brakes - pneumatic system and auxiliary brakes18
• 46 Steering112
• 54 Electrical system, equipment and instruments45
• 55 Auxiliary drive systems, hydraulic and linkage systems3
• 57 Central lubrication system2