• 25 Clutch118
• 26 Manual transmission602
• 27 Automatic transmission49
• 29 Pedal assembly11
• 31 Frame, trailer operation45
• 32 Suspension49
• 33 Front axle53
• 35 Rear axle142
• 40 Wheels, chassis alignment check33
• 41 Propeller shaft16
• 42 Brakes - hydraulic and mechanical systems29
• 43 Brakes - pneumatic system and auxiliary brakes12
• 46 Steering104
• 54 Electrical system, equipment and instruments11
• 55 Auxiliary drive systems, hydraulic and linkage systems4
• 57 Central lubrication system3