| Front Axle (Two Wheel Drive) | 5-7 | Axle Main Member, Front Support, Spindles, Tie Rod and Toe-In |
| Front Wheel Drive | 8-29 | All Models So Equipped, Lubrication, R&R Front Axle and Pivot Support, Toe-In, Apl-345 and Apl-355 Type Axles (All Models So Equipped), Wheel Hub and Planetary Carrier |
| Hydrostatic Power Steering | 30-39 | Fluid and Filter (All Models), System Pressure Test (All Models), Trouble-Shooting (All Models), Steering Pump (All Models, R&R and Overhaul), Steering Column (All Models) |
| Engine and Components | 40-51 | R&R Engine (All Models), Engine Compression Pressure (All Models), Cylinder Head (All Models), Valves, Seats, Guides and Springs (All Models), Rocker Arms (All Models) |
| Diesel Fuel System | 52-57 | Filter and Bleeding (All Models), Fuel Lift Pump (All Models, Pressure Check, R&R and Overhaul), Fuel Injection Pump (All Models, Pump Timing, R&R Fuel Injection Pump) |
| Turbocharger | 58-63 | All Models So Equipped, Remove and Reinstall, Bearing Clearance Check, Overhaul, Intercooler (Model Tw-35), Tip Turbine Fan, Heat Exchanger |
| Cooling System | 64-65 | Radiator Pressure Cap and Thermostat (All Models), Fan and Fan Drive (All Models), Radiator (All Models), Engine Oil Cooler (All Models), Water Pump (All Models) |
| Electrical System | 66-77 | Alternator and Regulator (All Models, Testing, Battery Voltage Test, Excitation Voltage Test, Field Circuit Test, Voltage Regulator Voltage Test, Alternator Output Test, Disassembly, Brushes and Springs, Stator Winding, Rectifier Diodes, Rotor Winding, Reassembly) |
| Clutch | 78-80 | Pedal Free Travel Adjustment (All Models), R&R Clutch Assembly (All Models, Tractor Split), Overhaul Clutch (Model Tw-5, Models Tw-15, Tw-25 and Tw-35) |
| Dual Power | 81-85 | Clutch Pilot Bearing (All Models), Clutch Release Bearing (All Models), Pressure Testing (All Models), Control Valve (All Models), R&R Dual Power (All Models) |
| Low Pressure Hydraulic System | 86-90 | Pressure Testing, Gerotor Pump, Pressure Regulating Valve (R&R and Overhaul) |
| Transmission | 91-111 | Lubrication (All Models, Pressure Test), Parking Brake (All Models, Linkage Adjustment, R&R Parking Brake Linkage) |
| Final Drive and Rear Axles | 112-119 | Differential Lock Valve (Models Tw-5, Tw-15 and Tw-25, Model Tw-35), R&R Rear Wheel, R&R Rear Axle and Final Drive Assembly, Overhaul Rear Axle Shaft and Bearings |
| Power Take-Off | 120-125 | Trouble-Shooting, Pressure Test, Control Linkage Adjustment |
| Hydraulic Lift System (Tractors Built Prior to April 1985) | 126-144 | Principles of Operation, Hydraulic Fluid and Filters, Trouble-Shooting, Hydraulic Tests (Relief Valve Pressure Test, Pump Flow Rate Test) |
| Hydraulic Lift System (Tractors Built April 1985 and After) | 145-167 | Operation, Hydraulic Fluid and Filters, Trouble-Shooting, Pressure Testing (System Relief Valve Pressure Test, Remote Circuit Relief Valve Pressure Test, Pump Flow Testing) |
| Cab and Platform | 168-172 | Early Model Safety Cab (Remove and Reinstall), Platform (Remove and Reinstall), Late Model Safety Cab (Remove and Reinstall, Tilt Cab Forward) |
