This manual covers the 766 tractor, a robust machine produced from the mid-to-late 1970s. Known for its versatility and durable construction, the 766 was a staple in agricultural applications, powered by reliable IH Diesel or LP-Gas engines. Its design emphasizes practical engineering, featuring a manual transmission with a Torque Amplifier for enhanced gear splitting, independent rear disc brakes, and a liquid-cooled engine. This tractor represents a significant part of the legacy in agricultural equipment manufacturing, offering dependable performance for a variety of farm tasks. This comprehensive factory service repair workshop manual in English provides complete service and repair information for the 766 tractor. It details engine and drivetrain systems, including the diesel and LP-Gas engines, transmission overhaul, and power takeoff, as well as chassis and controls such as brakes, cooling, and hydraulics. The manual offers in-depth, step-by-step instructions with numerous illustrations for routine maintenance, troubleshooting common issues, and complete disassembly and reassembly of all major components. Its format allows for easy access, searching, and selective printing, making it an invaluable resource for owners, DIY enthusiasts, and professional mechanics. 🏷️ Basic Information Identification Make: International Harvester Model: 766 Vehicle Type: Tractor Generation Generation Code: N/A Codes Model Code: 766 👋 Introduction Market Position Target Audience: Owners and operators of the IH International Harvester 766 tractor, DIY enthusiasts, professional mechanics Competitive Analysis Value Proposition: Provides comprehensive factory service information at a significantly lower cost and greater convenience than traditional printed manuals, enabling cost savings on repairs and maintenance. Key Features Digital Convenience: Digital PDF format for easy access, searching, and selective printing on various devices (PC, laptop, smartphone, tablet). Completeness: Covers all styles of the IH International Harvester 766 tractor, offering all necessary service information without additional fees or expiration. 📋 Manual Details Coverage Areas Scope: Complete Service and Repair Page Count Estimated Pages: Hundreds Manual Type Type: Factory Service Repair Workshop Manual Language Language: English Format Format: PDF 📖 Manual Coverage Systems Covered Engine And Drivetrain: Engine, Diesel Fuel System, LP-Gas System, Carburetor, Transmission Overhaul, Torque Amplifier, Differential, Final Drive, Power Takeoff (PTO), Direction Reverser Chassis And Controls: Brakes, Clutch, Cooling System, Hydraulic System, Power Steering System, Steering System, Front System, Belt Pulley Specialized Systems: Governor (Non-Diesel) Procedures Included Repair And Overhaul: Complete disassembly and reassembly of all major components and systems Maintenance: Routine maintenance procedures, fluid changes, lubrication, filter replacements Troubleshooting: Diagnostic procedures and troubleshooting guides for common issues Technical Depth Depth: In-depth, step-by-step instructions with hundreds of photos and illustrations, suitable for both do-it-yourselfers and experienced mechanics 📊 Manual Specifications File Format File Type: Adobe PDF Print Quality Printability: Fully printable, allowing users to print entire manual or specific pages Binding Type Binding: N/A (Digital PDF) Paper Type Paper Type: N/A (Digital PDF) Software Requirements Reader Requirement: Adobe PDF Reader Compression Requirement: Winzip (for download) ⚙️ Engine Specifications Primary Engine Engine Family: IH D-358 (Diesel) Engine Family Alternatives: IH LP-Gas (for LP Gas models) Performance Horsepower Diesel: Approx. 70-80 PTO HP (Specific rating may vary by configuration) Fuel System Diesel Fuel Type: Diesel Fuel Lp Gas Fuel Type: Propane (LP-Gas) Cooling System Cooling Type: Liquid Cooled Engine Overhaul Overhaul Procedures: Detailed instructions for engine disassembly, inspection, component replacement, and reassembly, including piston, ring, bearing, and valve service. 🔧 Transmission Standard Transmission Type: Manual with Torque Amplifier (TA) Optional Transmission Options: Differential Lock, possibly other specialized transmissions depending on variant. Features Torque Amplifier Function: Provides on-the-go gear splitting, effectively doubling the number of available gears for improved versatility and power delivery. Transmission Overhaul Overhaul Procedures: Step-by-step guide for transmission disassembly, inspection, repair of gears, shafts, bearings, and the Torque Amplifier unit. 📐 Dimensions Weights Base Weight Approx: Approximately 7,000 - 8,000 lbs (Exact weight varies by configuration) Weight Distribution: Details on front and rear axle weights for optimal balance during operation. 🛡️ Safety Features Ratings Safety Standards: Adherence to relevant agricultural machinery safety standards of its era. Active Features Braking System: Independent rear disc brakes (typical for the era), power assist likely available. Passive Features Operator Station: Design considerations for operator comfort and safety, though ROPS (Roll-Over Protective Structure) and seatbelts may have been optional or added later. 💡 Technology Features Infotainment Infotainment System: N/A (Tractor of this era typically lacks advanced infotainment systems; focus is on core mechanical and operational technology). Driver Assistance Assistance Features: N/A (Focus is on mechanical controls and operator feedback). Connectivity Connectivity Options: N/A Power Takeoff Pto Type: Standard 540/1000 RPM PTO, likely with independent engagement. 🔧 Maintenance Service Intervals Engine Oil Change Interval: Typically 250-300 hours (Refer to manual for specific recommendation) Transmission Oil Change Interval: Typically 500-1000 hours (Refer to manual for specific recommendation) Hydraulic Fluid Change Interval: Typically 500-1000 hours (Refer to manual for specific recommendation) Fluid Specifications Engine Oil Type: API CD or CE rated Diesel Engine Oil, SAE 15W-40 or...