• 25 Clutch14
• 26 Manual transmission13
• 27 Automatic transmission512
• 28 Transfer case2
• 29 Pedal assembly6
• 31 Frame, trailer operation22
• 32 Suspension179
• 33 Front axle56
• 35 Rear axle301
• 40 Wheels, chassis alignment check109
• 41 Propeller shaft52
• 42 Brakes - hydraulic and mechanical systems439
• 43 Brakes - pneumatic system and auxiliary brakes11
• 46 Steering165
• 54 Electrical system, equipment and instruments380
• 55 Auxiliary drive systems, hydraulic and linkage systems1