| A1 - Test Procedure - Injector Instruction Sheets | 8-17 | Visual Checks, Engine Oil Level, Hydraulic/Transmission Oil Level, Fuel Filters, Turbocharger Pressure, Dynamometer Testing |
| A2 - Injection Feed | 28-57 | Identification (Injector Pumps), Torque Settings, Description (Injector Pump, Fuel Pump, Line Filter, Fuel Filter, Electrical Components) |
| A3 - Iveco Engine | 62-145 | Lubrication (Operation), Cooling (Operation), Turbocharger (Operation), Dimensions (- Build Clearances, Valves) |
| B1 - Mechanical Part (T 506 Gearbox) | 146-233 | Transmission Kinematics, Dismantling Procedure, PTO and Vehicle Drive Clutch, Mechanical Doubler, Gear Casing |
| B2 - Hydraulic Part (T 506 Gearbox) | 234-261 | Pump Hydraulic System, Clutchless Reverser, Lubrication System, Accumulator Pressure |
| B3 - Electronic Components (T 506 Gearbox) | 262-291 | Ehm 24 Electronics Unit, Shuttle Reverser, Clutch Pedal, Electrical Tests, Speed Sensor |
| C1 - Mechanical Part (T 506 Rear Axle) | 292-339 | Drive Pinion, Differential, Axle Tubes, Power Take-Off (PTO), Brakes |
| C2 - Hydraulic Part (T 506 Rear Axle) | 340-357 | Hydraulic System, Differential Lock, Rear Power Take-Off, Braking System, Pressure Checks |
| C3 - Electronic Components (T 506 Rear Axle) | 358-371 | Differential Monitoring, Rear PTO Control, Electrical Tests, Speed Sensor, Differential Lock Switch |
| D1 - Mechanical Part (Front Axle) | 372-465 | Front Axle Loadings, Wheel Alignment, Suspended Front Axle, Steering Actuator, Wheel Hub |
| D2 - Hydraulic Part (Front Axle) | 466-491 | Hydraulic System, Front Axle Engagement, Pressure Checks |
| D3 - Electronic Components (Front Axle) | 492-577 | Electronic Control, Electrical Tests, Engagement Switch, Solenoid Valve |
| E1 - Common Elements (Hydraulics) | 578-625 | Gear Pumps, Steering Unit, Brake Valve, Auxiliary Spool Valves, Linkage System Selector |
| E2 - Pump System 1 (Hydraulics) | 626-655 | Pump Characteristics, Steering Actuator Pressure, Antishock Valves, Auxiliary Spool Valves |
| E3 - 2-Pump System (Hydraulics) | 656-693 | Pump Characteristics, Steering Pump Flow, Dual Spool Valve, Linkage Spool Valve |
| E4 - 3-Pump System (Hydraulics) | 694-719 | Pump Characteristics, Auxiliary Spool Valves, Dual Spool Valve, Linkage Spool Valve |
| F1 - Schematic Diagrams (Electrical) | 720-783 | Fusebox, Relays, Starting Circuit, Charging Circuit, Lighting, Instrument Panel |
| F2 - Harness and Connector Paths (Electrical) | 784-819 | Instrument Panel Harness, Engine Harness, Cab Top Harness, Tce 6 Harness, Connector Pinouts |
| G1 - Instrument Panel (Electronics) | 820-843 | Instrument Cluster, Warning Lights, Speed Sensor, Fuel Gauge, Temperature Sensor |
| G2 - Electronic Linkage Tce 6 | 844-861 | Tce 6 Inputs/Outputs, Self-Checking, Position Sensor, Load Sensor, Solenoid Valves |
