This manual covers the International Harvester 474 Tractor, a robust and versatile machine produced primarily in the 1970s. Known for its reliability and solid engineering, the 474 Tractor was designed for small to medium-sized farm operations. Its diesel engine, typically around 179 cubic inches and producing approximately 50-60 PTO horsepower, is paired with an 8-speed constant mesh gearbox, offering efficient power delivery for a variety of tasks. Key features include a standard 540 RPM PTO, hydraulic systems for implement control, and a sturdy chassis built for demanding agricultural work. This tractor represents a significant part of International Harvester's heritage in agricultural equipment manufacturing. This comprehensive Factory Service Repair Manual provides detailed information essential for the maintenance, troubleshooting, and repair of the International Harvester 474 Tractor. It covers all major systems, including the engine, transmission, hydraulics, electrical components, and chassis. Within its extensive pages, you will find step-by-step repair procedures, overhaul instructions, diagnostic charts, calibration guidelines, and critical technical specifications such as torque values and fluid requirements. The manual is designed to empower owners, operators, and technicians with the knowledge needed to ensure the longevity and optimal performance of their tractor, offering factory-level accuracy and detail. 🏷️ 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...