• 25 Clutch35
• 26 Manual transmission145
• 27 Automatic transmission2
• 28 Transfer case2
• 29 Pedal assembly15
• 31 Frame, trailer operation7
• 32 Suspension22
• 33 Front axle58
• 35 Rear axle107
• 40 Wheels, chassis alignment check15
• 41 Propeller shaft4
• 42 Brakes - hydraulic and mechanical systems140
• 43 Brakes - pneumatic system and auxiliary brakes10
• 46 Steering74
• 54 Electrical system, equipment and instruments34
• 55 Auxiliary drive systems, hydraulic and linkage systems1