The Fiat Trattori 680 is an agricultural tractor produced from the late 1970s to the early 1980s. Known as a robust and reliable workhorse, this model was popular for general farming and utility tasks, offering a balance of power and economy within its class. Designed for versatility, the 680 could accommodate a wide range of agricultural implements. While its operator comfort features were basic by modern standards, its functional design and the Fiat Agri legacy of engineering contribute to its reputation for durability and dependable performance in demanding agricultural environments. This comprehensive workshop service manual provides detailed repair, service, and maintenance information for the Fiat Trattori 680. It is intended for professional technicians and advanced DIY mechanics, offering factory-level detail across all major systems, including the engine, transmission, drivetrain, electrical, hydraulics, brakes, and chassis. The manual includes step-by-step repair instructions, periodic maintenance charts, diagnostic procedures, and hundreds of diagrams and illustrations to assist in maintaining and repairing the tractor effectively. 🏷️ Basic Information Identification Make: Fiat Trattori Model: 680 Equipment Type: Agricultural Tractor Generation Production Era: Late 1970s - Early 1980s 👋 Introduction Market Position Historical Role: A robust and reliable workhorse tractor in its class, popular for general farming and utility tasks. Competitive Analysis Competitors: Likely competed with models from manufacturers such as John Deere, Massey Ferguson, and Ford during its production era. Key Features Operator Comfort: While basic by modern standards, featured a functional operator's station for its time. Versatility: Designed for a wide range of agricultural implements and tasks. 📋 Manual Details Coverage Areas Primary Coverage: Comprehensive repair, service, and maintenance Target Audience: Professional technicians and advanced DIY mechanics Page Count Estimated Page Count: Hundreds of pages (typical for comprehensive workshop manuals) Manual Type Manual Type: Workshop Service Manual / Repair Manual Language Language: English Format File Format: PDF Delivery Delivery Method: Instant Download 📖 Manual Coverage Systems Covered Engine: Complete overhaul, diagnosis, fuel system, lubrication, cooling system Transmission: Gearbox, clutch, differential, PTO, hydraulic lift system Drivetrain: Front axle, rear axle, driveshafts, steering system Electrical: Wiring diagrams, starter, alternator, lighting, instrumentation Hydraulics: Hydraulic pump, cylinders, control valves, hydraulic circuits Brakes: Service brakes, parking brake, hydraulic and mechanical components Chassis And Body: Frame, fenders, operator station, control linkages Procedures Included Maintenance: Periodic maintenance charts, lubrication schedules, filter replacement Repair: Step-by-step repair instructions for all major components Troubleshooting: Diagnostic procedures, fault finding guides, common issues Overhaul: Complete engine and component overhaul procedures Diagnostics: Testing procedures for various systems Technical Depth Depth Of Information: Factory-level detail suitable for professional mechanics and advanced DIY users Diagrams And Illustrations: Hundreds of diagrams, illustrations, and exploded views 📊 Manual Specifications File Format PDF Quality: High resolution, suitable for printing Print Quality Printability: Full Printable Viewing Features Zoom Functionality: YES (Zoom IN/OUT) Software Requirements PDF Reader: Adobe PDF Reader Unzipping Utility: WinRAR (or similar archive utility) Compatibility Operating Systems: All Versions of Windows & Mac Binding Type Binding: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Manufacturer: Fiat Engine Type: Diesel Engine Configuration: Likely a 3 or 4-cylinder naturally aspirated diesel engine Performance Horsepower Range: Estimated 60-70 HP range (specific figures require consulting engine codes) Torque Characteristics: Designed for strong low-end torque for pulling heavy loads. Fuel System Fuel Injection: Direct injection, typically with rotary or inline injection pumps Cooling System Cooling Method: Liquid-cooled (water pump, radiator, thermostat) 🔧 Transmission Standard Transmission Type: Manual Synchromesh gearbox Gear Selection: Likely a 8-speed forward, 2-speed reverse (or similar configuration) with high/low range Optional Power Take Off Pto: Standard PTO (e.g., 540/1000 RPM) likely available Features Clutch Type: Dry single or dual-stage clutch Differential Lock: Rear differential lock typically standard 📐 Dimensions Exterior Wheelbase: Specific dimensions vary, but typical for a tractor of this class (e.g., ~2100-2300 mm) Overall Length: Specific dimensions vary, but typical for a tractor of this class (e.g., ~3500-4000 mm without implements) Weights Operating Weight: Estimated 2500-3000 kg (without ballast) Front Axle Load: Designed to accommodate front ballast for traction Rear Axle Load: Designed to carry significant weight for traction and stability 🛡️ Safety Features Ratings Rollover Protection: ROPS (Roll-Over Protective Structure) may be standard or an option depending on market and year; highly recommended. Active Features Braking System: Hydraulic disc brakes (typically rear axle), mechanical parking brake. Passive Features Operator Station: Open station design (unless fitted with a cab); requires operator diligence. 💡 Technology Features Infotainment Infotainment System: Not applicable for this era of agricultural tractor; basic instrumentation only. Driver Assistance Driver Assistance Features: None beyond basic mechanical controls and instrumentation. Connectivity Connectivity Features: Not applicable. 🔧 Maintenance Service Intervals Engine Oil Change: Typically every 250-500 operating hours (refer to manual for exact interval and oil type). Air Filter Cleaning Replacement: Check and clean frequently, replace as needed (depends heavily on operating conditions). Transmission...