• 25 Clutch37
• 26 Manual transmission170
• 27 Automatic transmission6
• 28 Transfer case4
• 29 Pedal assembly11
• 31 Frame, trailer operation61
• 32 Suspension33
• 33 Front axle76
• 35 Rear axle152
• 40 Wheels, chassis alignment check59
• 41 Propeller shaft6
• 42 Brakes - hydraulic and mechanical systems44
• 43 Brakes - pneumatic system and auxiliary brakes9
• 46 Steering73
• 54 Electrical system, equipment and instruments7
• 55 Auxiliary drive systems, hydraulic and linkage systems1
• 57 Central lubrication system2