This workshop service repair manual provides comprehensive technical guidance for the 480, 500, 540, 580, 640, and 680 DT tractor series. These robust utility tractors, produced in Italy, are known for their reliable diesel engines, ranging from 3 to 4 cylinders and displacements of 2592 cc to 3456 cc, and are designed for a variety of agricultural applications. The DT Series tractors, likely manufactured from the 1970s into the 1980s, are recognized for their solid engineering and dependable performance, making them essential workhorses in their era. This manual covers an extensive range of systems and procedures, including detailed information on engine, powertrain, and chassis components, as well as auxiliary systems like hydraulics and electricals. It offers step-by-step instructions for routine servicing, fluid changes, filter replacements, and in-depth repair procedures for major overhauls. Furthermore, it includes troubleshooting guides and diagnostic procedures to assist owners, mechanics, and technicians in maintaining optimal performance and longevity of their DT Series tractors. 🏷️ Basic Information Identification Make: FIAT Model: 480 / 500 / 540 / 580 / 640 / 680 DT Product Name: FIAT 480 500 540 580 640 680 DT Tractor Repair Manual PDF Download Codes Platform Code: FIAT DT Series (General) 👋 Introduction Market Position Target Audience: FIAT Tractor Owners, Technicians, Mechanics, Restoration Specialists Competitive Analysis Manual Comparison: Comparable to OEM workshop manuals in scope and detail Key Features Value Proposition: Comprehensive repair and maintenance resource for a range of FIAT DT tractors, offering detailed technical guidance. Manual Utility: Essential for diagnosis, repair, and preventive maintenance, ensuring optimal tractor performance and longevity. 📋 Manual Details Coverage Areas Manual Type: Workshop Service Repair Manual Language: English Format: PDF Download (Scanned) Printable: Fully Printable (selected pages or whole manual) 📖 Manual Coverage Systems Covered Engine Systems: Engine Removal/Installation, Crankcase/Cylinderhead, Valves & Timing Mechanism, Crank Gear Assembly, Fuel System, Fuel Tank & Pump, Injection System, Lubrication System, Cooling System, Torque Specification (Engine Related) Powertrain Systems: Transmission, Bevel Gear System, Differential, Final Drive, Rear Wheel, Clutch System Chassis Systems: Brake System, Front Axle & Steering Auxiliary Systems: Hydraulic Lift Unit, PTO-Belt Pulley, Electrical System, Charging System, Battery System, Starting Motor, Accessory Equipment, Light-Switch-Fuse Procedures Included Maintenance Procedures: Routine Servicing, Fluid Checks and Changes, Filter Replacements, Lubrication Schedules Repair Procedures: Engine Rebuilds, Transmission Overhauls, Brake System Repairs, Hydraulic System Servicing, Electrical Component Replacement Diagnostic Procedures: Troubleshooting Guides, Fault Finding Procedures Technical Depth Depth Of Coverage: Comprehensive (Detailed step-by-step written procedures with pictures and diagrams) Diagnostic Tools: Includes specifications for Service Tools Illustrations: Detailed exploded views, Pictures and diagrams 📊 Manual Specifications File Format File Type: PDF Scan Quality: Scanned (High-quality for clarity) Searchable Text: Likely Not Searchable (due to scanned nature, but can be OCR'd) Print Quality Printability: Excellent (selected pages or entire manual) Binding Type Binding: N/A (Digital Download) Paper Type Paper Recommendation: N/A (Digital Download - Print as needed) ⚙️ Engine Specifications Primary Engine Engine Type: Diesel, 4-Stroke Displacement 480: 2592 cc Cylinders 480: 3-Cylinder Displacement 500: 2592 cc Cylinders 500: 3-Cylinder Displacement 540: Not Specified in Product Info (Likely similar to 500/480 or 640) Cylinders 540: Not Specified in Product Info (Likely 3 or 4 Cylinder) Displacement 580: 2750 cc Cylinders 580: 3-Cylinder Displacement 640: 3456 cc Cylinders 640: 4-Cylinder Displacement 680: 3456 cc Cylinders 680: 4-Cylinder Fuel System Fuel Type: Diesel Components Covered: Fuel Tank & Pump, Injection System Performance Horsepower Range: Refer to specific model data (typically 40-70 HP range for this series) Torque Specifications: Covered in manual Lubrication System Covered: Lubrication System Cooling System Covered: Cooling System 🔧 Transmission Standard Transmission Type: Manual (Likely constant mesh, dog engagement) Optional Drivetrain: DT (Dual Traction - 4WD) Variants Covered Features Covered Components: Transmission, Bevel Gear System, Differential, Final Drive 📐 Dimensions Exterior Tractor Series Overview: Compact to Medium Utility Tractors Weights Weight Range: Varies by model (typically 1500-2500 kg) 🛡️ Safety Features Ratings Safety Compliance: Refer to specific tractor safety standards of the era Active Features Braking System: Drum or Disc Brakes (detailed in manual) Passive Features Operator Protection: Basic ROPS may be optional/aftermarket; manual covers chassis components related to safety. 💡 Technology Features Infotainment Infotainment Systems: N/A (Basic agricultural machinery of its era) Driver Assistance Driver Assistance Features: N/A (Focus on mechanical systems) Connectivity Connectivity Options: N/A (Basic electrical systems only) Electrical System Electrical Components: Charging System, Battery System, Starting Motor, Lights, Switches, Fuses Wiring Diagrams: Included in manual for diagnostic purposes. 🔧 Maintenance Service Intervals Scheduled Maintenance: Detailed schedules provided within the manual for various components. Fluid Specifications Engine Oil Grade: Specific SAE grades for Diesel engines (e.g., SAE 15W-40 or 20W-50, refer to manual for exact spec) Transmission Hydraulic Fluid: Specific FIAT or compatible hydraulic/transmission fluid (e.g., UTTO) - detailed in manual. Coolant Type: Ethylene Glycol based antifreeze/coolant mixture. Specific ratios and types detailed in manual. Known Issues Common Wear Items:...