• 25 Clutch106
• 26 Manual transmission546
• 27 Automatic transmission101
• 29 Pedal assembly10
• 31 Frame, trailer operation61
• 32 Suspension81
• 33 Front axle121
• 35 Rear axle111
• 40 Wheels, chassis alignment check36
• 41 Propeller shaft6
• 42 Brakes - hydraulic and mechanical systems86
• 43 Brakes - pneumatic system and auxiliary brakes82
• 46 Steering176
• 54 Electrical system, equipment and instruments140
• 55 Auxiliary drive systems, hydraulic and linkage systems7
• 57 Central lubrication system18