| Front Matter | 1-3 | Cover Page, Foreword, Table of Contents |
| Specifications | 4-5 | |
| Sectional Views | 6-20 | 4DQ7 Longitudinal Sectional View, 4DQ7 Transverse Sectional View, S4S Longitudinal Sectional View, S4S Transverse Sectional View, Performance Curves (4DQ7, S4S), Maintenance Standards |
| Maintenance Standards | 21-23 | Electrical System Maintenance Standards (Alternator, Cooling System Thermostat, V-Belt Tension), Tightening Torque, Tightening Torque S4S |
| Sealant Application Data | 24-30 | Tightening Torques for Major Components |
| Cylinder Head and Valve Mechanism | 31-45 | Disassembly, Inspection and Repair, Reassembly, Valve Clearance Inspection and Adjustment |
| Timing Gears, Camshaft and Oil Pan | 46-58 | Timing Gear Disassembly, Camshaft Inspection and Repair, Oil Pan Reassembly |
| Flywheel | 59-64 | Flywheel Disassembly, Flywheel Inspection and Repair, Flywheel Reassembly |
| Piston, Connecting Rods, Crankshaft and Crankcase | 65-82 | Piston and Connecting Rod Inspection, Crankshaft and Crankcase Reassembly |
| Engine Proper | 83-84 | Installing Main Bearings 4DQ7, Installing Pistons, Installing Crankshaft, Installing Main Bearing Caps |
| Oil Pump | 85-97 | Description, Reassembly |
| Oil Filter | 98-110 | Relief Valve, Water Pump, Thermostat, Fuel Filter (Disassembly and Inspection), Injection Nozzles (Disassembly, Inspection and Adjustment) |
| Injection Pump | 111-125 | Removal, Installation, Adjusting Injection Timing, Adjusting the Idling and Maximum Speeds, Starter (Disassembly, Inspection and Repair, Reassembly) |
| Electrical System | 126-131 | Alternator (Disassembly, Inspection), Heater Plugs (Inspection, Replacing Bearings, Holding Brush) |
| Workshop Theory | 132-136 | Suggestions on Disassembly and Reassembly (Oil Seals, O-Rings, Bearings, Lock Plates, Split Pins and Spring Pins), Testing the Compression Pressure |
| Troubleshooting | 137-145 | Troubleshooting Chart 1 (Engine Will Not Start, Engine Lacks Power, Abnormal Exhaust Smoke, Fuel System Complaints), Troubleshooting Chart 2 (Poor Fuel Supply to Injection Pump, Injection Timing, Poor Compression) |
| General Specifications | 146-147 | Engine Proper Specifications, Valve Timing, Starting System, Lubrication System Specifications, Cooling System Specifications, Fuel System Specifications, Injection Nozzles |