• 25 Clutch34
• 26 Manual transmission143
• 27 Automatic transmission2
• 28 Transfer case1
• 29 Pedal assembly15
• 31 Frame, trailer operation8
• 32 Suspension22
• 33 Front axle28
• 35 Rear axle59
• 40 Wheels, chassis alignment check15
• 41 Propeller shaft5
• 42 Brakes - hydraulic and mechanical systems139
• 43 Brakes - pneumatic system and auxiliary brakes11
• 46 Steering91
• 54 Electrical system, equipment and instruments43
• 55 Auxiliary drive systems, hydraulic and linkage systems1