🏷️ Basic Information Identification Make: Fiat Model: 55-66 Tractor Product Name: Fiat 55-66 Tractor Workshop Service Manual for Repair 👋 Introduction Market Position Market Position: The Fiat 55-66 tractor was positioned as a versatile and reliable utility tractor for agricultural and light industrial applications. Competitive Analysis Competitive Analysis: Competed with similar sized tractors from manufacturers like Massey Ferguson, John Deere, and Ford, often favored for its robust build and simplicity. Key Features Key Features: Known for its durable construction, efficient diesel engine, and user-friendly design, making it a popular choice for a wide range of tasks. 📋 Manual Details Coverage Areas Coverage: Comprehensive repair and service information for the Fiat 55-66 Tractor. Page Count Page Count: 898 Manual Type Manual Type: Workshop Service Manual / Repair Manual Language Language: English Format Format: PDF (Instant Download) 📖 Manual Coverage Systems Covered Engine: Detailed engine overhaul, diagnostics, fuel system, lubrication, cooling, starting and charging. Transmission: Repair, maintenance, and troubleshooting of the gearbox, clutch, and drive train. Hydraulics: Hydraulic system diagnosis, pump, valve body, cylinder repair, and fluid specifications. Electrical System: Wiring diagrams, component testing, starter motor, alternator, lighting, and ignition systems. Braking System: Brake system maintenance, repair, adjustment, and component replacement. Steering System: Steering mechanism repair, adjustment, and troubleshooting. Front Axle: Front axle, steering linkage, and wheel bearing service. Rear Axle And Differentials Rear Axle And Differentials: Rear axle assembly, differential, and final drive overhaul. Power Take Off Pto Power Take Off Pto: PTO system maintenance, repair, and clutch adjustments. Cooling System Cooling System: Radiator, thermostat, water pump, and coolant specifications. Fuel System Fuel System: Fuel tank, lines, filters, and injection pump service. Lubrication System Lubrication System: Oil pump, filter, and lubrication points. Bodywork And Chassis Bodywork And Chassis: Sheet metal repair, mounting points, and chassis maintenance. Procedures Included General Maintenance: Routine servicing, fluid changes, filter replacements, lubrication. Engine Overhaul: Complete engine disassembly, inspection, repair, and reassembly. Transmission Repair: Gearbox disassembly, component replacement, and reassembly procedures. Hydraulic Troubleshooting: Diagnosing and rectifying hydraulic system faults. Electrical Diagnostics: Fault finding and repair of electrical system issues using wiring diagrams. Brake System Repair: Replacing brake pads, discs, calipers, and bleeding the system. Steering Adjustment: Adjusting steering play and ensuring proper alignment. Pto Clutch Adjustment: Adjusting the PTO clutch for optimal engagement. Troubleshooting Guides: Systematic guides for identifying and resolving common mechanical and electrical faults. Torque Specifications: Detailed torque values for all critical fasteners. Special Tool Identification: Identification and usage of specialized tools required for certain repairs. Technical Depth Depth: In-depth technical information covering complete rebuilds, complex diagnostics, and precise adjustments. 📊 Manual Specifications File Format File Format: PDF Print Quality Print Quality: High-resolution scans suitable for printing or on-screen viewing. Binding Type Binding Type: Digital (PDF) Paper Type Paper Type: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine Engine Model: Likely features a Fiat 4-cylinder diesel engine (specific model designation varies but commonly in the 8000 series for this era). Displacement: Approximately 3.5 - 4.0 Liters (estimated based on typical Fiat tractor engines of this HP range). Power Output: Around 55 horsepower (PTO) - the '55' in the model designation typically refers to PTO horsepower. Performance Torque: Not specified in product data, but typical for engines of this size and power range. Fuel System Fuel Type: Diesel Injection System: Direct Injection (typical for Fiat diesel engines of this era). 🔧 Transmission Standard Transmission Type: Manual Synchromesh Gearbox (likely with multiple forward and reverse gears). Optional Optional Transmission: Not specified in product data, but creeper gears or shuttle shift might have been options. Features Gear Ratios: Detailed gear ratios are available within the service manual. Clutch Type: Dual-clutch (one for PTO, one for transmission) is common on tractors of this type. 📐 Dimensions Exterior Wheelbase: Not specified in product data, but typical for a utility tractor of this size. Weights Operating Weight: Approximately 2000-2500 kg (estimated based on comparable models). 🛡️ Safety Features Ratings Safety Features: The manual would cover safety aspects related to operation, maintenance, and component safety checks. 💡 Technology Features Infotainment Infotainment Features: N/A for this tractor model, as technology was basic in this era. Driver Assistance Driver Assistance Features: N/A for this tractor model. Connectivity Connectivity Options: N/A for this tractor model. 🔧 Maintenance Service Intervals Engine Oil Change: Typically every 250-500 operating hours, detailed in the manual. Air Filter Service: Regular inspection and cleaning/replacement based on operating conditions, detailed in the manual. Fuel Filter Replacement: Recommended intervals for fuel filter replacement are provided in the manual. Fluid Specifications Engine Oil Type: API CE or CF classification, SAE 15W-40 or 10W-30 (specifics in manual). Hydraulic Fluid Type: Tractor Transmission Oil (TTO) or universal tractor hydraulic fluid (UTHF) meeting Fiat specifications. Coolant Type: Ethylene glycol based antifreeze/coolant mixture. Transmission Fluid Type: Typically SAE 80W-90 GL-4 gear oil for the gearbox, and TTO/UTHF for...