🏷️ Basic Information Identification Make: International Harvester Model: 454, 464, 484, 574, 584, 674, 766, 826, 966, 1026, 1066 Codes Manual Identifier: Factory Service Repair Workshop Manual 👋 Introduction Market Position Target Audience: Farm owners, agricultural contractors, mechanics, and DIY enthusiasts working with International Harvester tractors. Competitive Analysis Value Proposition: Provides professional-level repair information, empowering users to perform complex tasks, thereby saving on labor costs and ensuring longevity of the machinery. Key Features Features: Detailed photos, exploded diagrams, step-by-step instructions, comprehensive coverage, lifetime access, printable format, cross-platform compatibility (Windows/MAC). 📋 Manual Details Coverage Areas Primary Coverage: Service, repair, and troubleshooting for International Harvester 454, 464, 484, 574, 584, 674, 766, 826, 966, 1026, and 1066 tractor models. Page Count Estimated Pages: Hundreds (exact count not specified, but described as 'hundreds of pages') Manual Type Type: Factory Service Repair Workshop Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine: Detailed engine overhaul, diagnostics, fuel system, lubrication, cooling system, ignition/starting (where applicable), exhaust systems. Transmission: Complete coverage of gearbox, clutch, differential, power take-off (PTO) systems, and final drives. Hydraulics: Hydraulic pump, cylinders, valves, hoses, filters, and control systems for implement operation. Electrical: Wiring diagrams, starter motor, alternator/generator, battery, lighting, and instrument panel systems. Chassis And Steering: Front axle, steering system components, linkages, brakes (mechanical and hydraulic), and hitch systems. Body And Frame: Frame construction, operator station, fenders, hood, and sheet metal repair. Procedures Included Maintenance: Scheduled maintenance, lubrication charts, fluid level checks, filter replacement, and general upkeep. Troubleshooting: Systematic diagnostic procedures for identifying and resolving common and uncommon problems. Repair: Step-by-step instructions for component disassembly, cleaning, inspection, repair, assembly, and adjustment. Overhaul: Complete rebuild procedures for major components like engines, transmissions, and hydraulic systems. Technical Depth Depth: Comprehensive, covering everything from basic maintenance to full engine and transmission rebuilds. Includes detailed specifications and tolerances. 📊 Manual Specifications File Format PDF Quality: High-resolution PDF with detailed photos and diagrams, suitable for printing. Print Quality Printable: Yes, single pages or entire manual can be printed. Binding Type Digital Access: Lifetime access on multiple devices (computers, tablets, smartphones). Paper Type N A: N/A (Digital PDF) ⚙️ Engine Specifications Primary Engine Engine Options: Various International Harvester Diesel and Gasoline engines depending on specific model (e.g., BCB series diesels, C-series gasoline). Performance Hp Range Estimation: Approximately 35-75 PTO horsepower, varying significantly by model (e.g., 454: ~35hp, 1066: ~75hp). Fuel System Fuel Type: Diesel and Gasoline (model dependent). 🔧 Transmission Standard Gearbox Types: Includes coverage of various transmissions such as the 8-speed synchronized gearbox, 16-speed forward/8-speed reverse (PowerShift/Hi-Lo options), and manual transmissions. Optional Optional Features: Power steering, Power Take-Off (PTO) options (540/1000 RPM), and differential lock. Features Clutch Type: Dual-stage clutch for transmission and PTO operation on many models. 📐 Dimensions Exterior Wheelbase Estimation: Varies by model, typically 80-90 inches for smaller utility tractors, and 90-100+ inches for larger models. Weights Operating Weight Estimation: Ranges from approximately 4,000 lbs (454) to over 7,000 lbs (1066). 🛡️ Safety Features Ratings N A: Operator safety is inherent in proper maintenance and operation procedures detailed within the manual. No formal crash ratings for agricultural machinery. Active Features Braking System: Hydraulically operated, internal expanding shoe brakes or disc brakes depending on model and era. Passive Features Operator Station: Includes information on ensuring the integrity of the operator station, seat, and controls. 💡 Technology Features Infotainment N A: These tractors predate modern infotainment systems. Features are purely mechanical and operational. Driver Assistance N A: No driver-assistance technologies; focus is on robust mechanical systems. Connectivity N A: No digital connectivity features. 🔧 Maintenance Service Intervals Engine Oil Change: Typically every 100-250 operating hours or annually, depending on operating conditions and engine type. Refer to specific model sections for exact intervals. Transmission Oil Change: Generally every 500-1000 operating hours. Draining, flushing, and refilling the entire hydraulic and transmission system. Fluid Specifications Engine Oil: API CD or CE rated diesel engine oil, SAE 30 or 15W-40 depending on temperature. Gasoline engines may require different specifications. Check manual for exact API and viscosity grades. Hydraulic Fluid: IH Hy-Tran fluid or equivalent Universal Tractor Transmission Oil (UTTO) with Caterpillar TO-2 specification. Capacity varies by model, often 10-20 gallons. Gear Oil: API GL-4 or GL-5 gear oil for differentials and final drives. SAE 80W-90 or 85W-140 often specified. Coolant: Ethylene glycol based antifreeze with corrosion inhibitors. Typically a 50/50 mix with distilled water. Capacity around 5-8 gallons. Known Issues Common Wear Items: Clutch wear, hydraulic pump volume loss, injector pump issues (diesel), carburetor problems (gasoline), wear in PTO clutch packs, steering box wear, brake shoe/disc wear. Electrical Gremlins: Corrosion in wiring connectors, failing voltage regulators, and worn starter solenoids are common due to age. 📚 Vehicle History Brand Heritage Heritage: International Harvester (IH) was a major American manufacturer of agricultural and construction machinery, known...