• 25 Clutch55
• 26 Manual transmission386
• 27 Automatic transmission1
• 28 Transfer case7
• 29 Pedal assembly9
• 31 Frame, trailer operation21
• 32 Suspension28
• 33 Front axle68
• 35 Rear axle179
• 40 Wheels, chassis alignment check15
• 41 Propeller shaft8
• 42 Brakes - hydraulic and mechanical systems200
• 43 Brakes - pneumatic system and auxiliary brakes5
• 46 Steering111
• 54 Electrical system, equipment and instruments137
• 55 Auxiliary drive systems, hydraulic and linkage systems1