🏷️ Basic Information Identification Make: International Harvester Model: 474 Tractor Product Type: Factory Service Repair Manual 👋 Introduction Market Position Positioning: Essential resource for owners, operators, and mechanics of the International Harvester 474 Tractor, offering factory-level repair and maintenance guidance. Competitive Analysis Competitors: This factory service manual offers a level of detail and accuracy often surpassing aftermarket manuals, providing OEM specifications and procedures. Key Features Organization: Clearly organized with a table of contents for easy information retrieval. Accessibility: Downloadable in PDF format for instant access on various devices, allowing for anytime, anywhere repairs. Searchability: PDF format allows for searchable text, enabling quick location of specific topics or keywords. Benefits Cost Savings: Enables users to perform repairs and maintenance themselves, significantly reducing service costs. Knowledge Acquisition: Provides in-depth understanding of the tractor's systems and operation, crucial for emergency repairs and effective maintenance. 📋 Manual Details Coverage Areas Primary Coverage: International Harvester 474 Tractor Page Count Estimated Page Count: Extensive (Specific page count not provided, but described as comprehensive) Manual Type Type: Factory Service Repair Manual / Workshop Manual / Troubleshooting Guide Language Language: English Format Format: PDF Usability: Can be viewed on computers, tablets, and smartphones. Printable pages allow for hard copy reference in the workshop. 📖 Manual Coverage Systems Covered Engine Systems: Engine overhaul, diagnostics, fuel system, cooling system, lubrication system, starting and charging systems Transmission Systems: Transmission overhaul, clutch, gearbox, differential, power take-off (PTO) system Hydraulic Systems: Hydraulic pump, control valve, cylinders, system diagnostics and repair Electrical Systems: Wiring diagrams, lighting, starter, alternator, battery, ignition system (if applicable), instrument panel Chassis Systems: Front axle, steering system, brakes (hydraulic, mechanical), rear axle, hitch system Body And Frame: Bodywork repair, fenders, operator station, controls Cooling System: Radiator, fan, water pump, thermostat, coolant flow, and pressure testing. Lubrication System: Oil pump, oil filter, lubrication passages, oil pressure testing, and specifications. Procedures Included Maintenance: Scheduled maintenance, lubrication points, fluid checks and changes, filter replacements, tune-up procedures Troubleshooting: Diagnostic charts, common problems and solutions, fault finding for all major systems Repair: Detailed step-by-step repair procedures for all components and systems, including disassembly, inspection, repair, and reassembly Overhaul: Complete engine, transmission, and hydraulic system overhaul instructions Calibration And Adjustment: Engine timing, valve adjustment, brake adjustments, hydraulic control adjustments Wiring Diagrams: Detailed wiring diagrams for electrical systems, facilitating diagnosis and repair. Torque Specifications: Precise torque values for critical fasteners across all major components. Part Numbers: Identification of key part numbers and their relation to assembly and disassembly procedures (often in accompanying parts catalogs, but referenced here). Technical Depth Depth: Comprehensive (Covers from basic maintenance to complete engine and transmission rebuilds) Special Tools: Lists specific special tools required for certain repairs and adjustments, ensuring factory-approved procedures. 📊 Manual Specifications File Format Compatibility: Requires Adobe PDF Reader. Compatible with all versions of Windows & Mac. Print Quality Quality: High-resolution digital scans for clear readability and detail. Binding Type Binding: Digital (PDF download) Paper Type Paper: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine Engine Type: Diesel (Specific model designation for the 474 would typically be found in the manual, e.g., D-179 or BD-154 depending on variant and market) Performance Displacement: Approximately 179 cu in (2.9 L) for D-179 variant (Verify specific engine in manual) Horsepower: Approx. 50-60 PTO HP (Exact rating varies by engine and configuration) Torque: Specific torque figures would be detailed in the manual. Fuel System Fuel Type: Diesel Fuel Injection System: Typically direct injection with a Bosch or similar inline injection pump. 🔧 Transmission Standard Transmission Type: 8-speed constant mesh gearbox (4 forward gears, 2 reverse gears with a High/Low range selector, effectively providing 4x2 speeds) Optional Optional Features: Optional features like a 'Hydro-Shuttle' or independent PTO might be available depending on the specific 474 variant. Features Pto Type: Standard 540 RPM PTO, potentially with a 1000 RPM option or independent PTO on certain models. 📐 Dimensions Exterior Wheelbase: Typically around 80-83 inches (2032-2108 mm) Length: Approximately 120-130 inches (3048-3302 mm) without implements Width: Variable based on rear tire size, typically around 65-75 inches (1651-1905 mm) Weights Operating Weight: Around 4,000 - 4,500 lbs (1814 - 2041 kg) without ballast 🛡️ Safety Features Ratings Rollover Protection: ROPS (Roll Over Protection Structure) often available or required, as per safety regulations of the era. Active Features Brakes: Hydraulic rear drum brakes, often with park brake engagement. Passive Features Seatbelt: Seatbelt for operator often included or an option on ROPS equipped tractors. 💡 Technology Features Infotainment Features: Basic operator controls, dashboard with essential gauges (Tachometer, Oil Pressure, Water Temperature, Ammeter). Driver Assistance Features: Mechanical power steering (optional/standard depending on variant), two-post ROPS for operator safety. Connectivity Features: N/A (Tractor technology of the era did not include modern connectivity features). 🔧 Maintenance Service Intervals Engine Oil Change: Typically every 100-250 operating hours (refer to manual for exact specification and...