• 25 Clutch48
• 26 Manual transmission157
• 27 Automatic transmission1
• 28 Transfer case64
• 29 Pedal assembly23
• 31 Frame, trailer operation11
• 32 Suspension34
• 33 Front axle63
• 35 Rear axle155
• 40 Wheels, chassis alignment check20
• 41 Propeller shaft7
• 42 Brakes - hydraulic and mechanical systems171
• 43 Brakes - pneumatic system and auxiliary brakes10
• 46 Steering114
• 54 Electrical system, equipment and instruments40
• 55 Auxiliary drive systems, hydraulic and linkage systems1