🏷️ Basic Information Identification Make: International Harvester Model: 454, 464, 484, 574, 584, 674 Codes Product Code Alias: IH Tractor Service Manual Download 👋 Introduction Market Position Target Audience: Professional mechanics, tractor owners, restoration enthusiasts, agricultural workshops. Key Features Content Highlight: Detailed photos, diagrams, exploded views, step-by-step instructions. Value Proposition Benefit To User: Empowers users to perform all repairs and maintenance correctly and efficiently, saving time and money. 📋 Manual Details Coverage Areas Coverage Scope: Comprehensive service, repair, and troubleshooting for International Harvester 454, 464, 484, 574, 584, and 674 tractors. Page Count Estimated Page Count: Hundreds (exact count not specified, but described as extensive) Manual Type Type: Factory Service Repair Workshop Manual Language Language: English (implied by product description and target market) Format Format: PDF Download 📖 Manual Coverage Systems Covered Powertrain: Engine overhaul, fuel system, cooling system, lubrication, exhaust system. Transmission Drivetrain: Gearbox repair, clutch service, differential, final drives, PTO (Power Take-Off) operation and repair. Hydraulics: Hydraulic system operation, pump service, valve body troubleshooting, cylinder repair, hydraulic fluid specifications. Electrical: Starter, alternator, battery system, wiring diagrams, lighting, ignition system (if applicable to specific models/engines). Chassis Steering Brakes: Front axle assembly, steering system diagnosis and repair, brake system service (mechanical and hydraulic components). Operator Station Body: Sheet metal repair, controls, operator comfort features, mounting procedures for components. Procedures Included Maintenance: Scheduled maintenance checks, lubrication points, filter replacement intervals, fluid level checks. Troubleshooting: Diagnostic charts, common problem identification, symptom-based repair guidance. Repair Overhaul: Step-by-step instructions for component disassembly, repair, assembly, and re-installation for all major systems. Adjustments: Valve lash adjustment, brake pedal free play, clutch linkage, hydraulic control adjustments. Technical Specifications Data: Torque specifications for fasteners, critical clearances, engine timing settings, hydraulic pressures. Technical Depth Depth: Professional-level, covering complete rebuilds and advanced diagnostics. 📊 Manual Specifications File Format Digital Format: PDF Print Quality Printability: Printable - single pages or entire manual. Binding Type Digital Binding: N/A (Digital Download) Paper Type Digital Paper Simulation: N/A (Digital Download) Licensing Usage License: Unlimited use on multiple devices, no expiry date. Compatibility Operating Systems: Windows and macOS compatible. ⚙️ Engine Specifications Primary Engine Engine Families Common: International Harvester's own diesel and gasoline engines. Specifics vary by model. Common engines include the D-179, D-206, D-236, D-246, D-268, and gasoline variants where applicable. Performance Horsepower Range: Varies by model and engine, typically from 50 HP to 75 HP. Fuel System Fuel Type: Diesel, Gasoline (for some variants). Injection System: Mechanical fuel injection (e.g., Bosch, CAV) for diesel engines. 🔧 Transmission Standard Gearbox Type: Synchromesh manual transmission with multiple forward and reverse gears. Often a 5-speed or 8-speed gearbox (e.g., T-35, T-40, T-50 series). Optional Additional Options: Some models may offer a partial powershift or torque amplifier (TA) option for increased gear selection and on-the-go shifting. Features Drive Type: 2WD (Two-Wheel Drive) standard, with 4WD (Four-Wheel Drive) options available on many models. 📐 Dimensions Weights Operating Weight Approx: Approximately 4,000 - 6,000 lbs (1800 - 2700 kg), depending on model and configuration. 🛡️ Safety Features Active Features Braking System: Mechanical and hydraulic drum brakes or disc brakes, depending on specific model and axle configuration. 💡 Technology Features Infotainment Dashboard Features: Basic analog gauges for oil pressure, coolant temperature, fuel level, tachometer, and hour meter. Simple radio (if equipped). 🔧 Maintenance Service Intervals Engine Oil Change: Typically every 100-250 operating hours, depending on operating conditions. Refer to manual for exact intervals for specific engine models. Fluid Specifications Engine Oil: API CD or CE rated diesel engine oil, viscosity typically SAE 15W-30 or 10W-30 depending on temperature. Consult manual for specific engine recommendations. Hydraulic Transmission Fluid: IH Hy-Tran (or equivalent UTF - Universal Tractor Transmission fluid). Capacity varies by model and transmission type. Coolant: Ethylene glycol based antifreeze with a 50/50 mix of antifreeze and water for freeze protection and corrosion inhibition. Specific type may vary. Known Issues Common Wear Points: Clutch wear, hydraulic pump and seal leaks, PTO clutch engagement issues, front axle kingpin wear, dashboard instrumentation failures. Engine Common Problems: Glow plug failure (diesel), injector issues, oil leaks, starter motor problems. 📚 Vehicle History Brand Heritage Manufacturer Legacy: International Harvester (IH) was a major American manufacturer of agricultural and construction equipment, known for its robust and reliable tractors. Model Evolution Series Designation: These models represent a significant portion of IH's '30-series' and '40-series' tractor lines, evolving from earlier designs and paving the way for later models. They were popular utility tractors. Production Production Years Approx: Mid-1970s to early 1980s. Specific production years vary by individual model number (e.g., 454: c. 1971-1975, 464: c. 1973-1977, 484: c. 1977-1981, 574: c. 1972-1977, 584: c. 1977-1981, 674: c. 1975-1977). 🏆 Awards & Recognition Recognitions Historical Reputation: These models were workhorses in their day and are still valued for their simplicity, durability, and repairability. Recognized for their utility in agricultural applications....