• 25 Clutch52
• 26 Manual transmission522
• 27 Automatic transmission4
• 28 Transfer case3
• 29 Pedal assembly12
• 31 Frame, trailer operation14
• 32 Suspension21
• 33 Front axle59
• 35 Rear axle168
• 40 Wheels, chassis alignment check17
• 41 Propeller shaft7
• 42 Brakes - hydraulic and mechanical systems145
• 43 Brakes - pneumatic system and auxiliary brakes6
• 46 Steering193
• 54 Electrical system, equipment and instruments132
• 55 Auxiliary drive systems, hydraulic and linkage systems1