• 25 Clutch105
• 26 Manual transmission398
• 27 Automatic transmission5
• 28 Transfer case1
• 29 Pedal assembly10
• 31 Frame, trailer operation44
• 32 Suspension31
• 33 Front axle53
• 35 Rear axle128
• 40 Wheels, chassis alignment check34
• 41 Propeller shaft4
• 42 Brakes - hydraulic and mechanical systems32
• 43 Brakes - pneumatic system and auxiliary brakes35
• 46 Steering87
• 54 Electrical system, equipment and instruments14
• 55 Auxiliary drive systems, hydraulic and linkage systems1
• 57 Central lubrication system2