• 25 Clutch52
• 26 Manual transmission507
• 27 Automatic transmission189
• 28 Transfer case3
• 29 Pedal assembly19
• 31 Frame, trailer operation7
• 32 Suspension25
• 33 Front axle62
• 35 Rear axle140
• 40 Wheels, chassis alignment check18
• 41 Propeller shaft8
• 42 Brakes - hydraulic and mechanical systems156
• 43 Brakes - pneumatic system and auxiliary brakes13
• 46 Steering74
• 54 Electrical system, equipment and instruments40
• 55 Auxiliary drive systems, hydraulic and linkage systems1