• 25 Clutch42
• 26 Manual transmission428
• 27 Automatic transmission49
• 28 Transfer case2
• 29 Pedal assembly13
• 31 Frame, trailer operation63
• 32 Suspension55
• 33 Front axle64
• 35 Rear axle50
• 40 Wheels, chassis alignment check58
• 41 Propeller shaft5
• 42 Brakes - hydraulic and mechanical systems48
• 43 Brakes - pneumatic system and auxiliary brakes22
• 46 Steering82
• 54 Electrical system, equipment and instruments7
• 55 Auxiliary drive systems, hydraulic and linkage systems1
• 57 Central lubrication system2