🏷️ Basic Information Identification Make: International Harvester Models Covered: 454, 474, 475, 574, 674 👋 Introduction Market Position Target Audience: Owners, operators, and service technicians of International Harvester 454, 474, 475, 574, and 674 tractors. Competitive Analysis Value Proposition: Enables owners to perform their own repairs, saving significant costs on labor and avoiding reliance on external mechanics. Key Features Ease Of Use: Designed with easy-to-follow step-by-step instructions. Comprehensiveness: Covers all services and repairs, including routine maintenance. Information Access: Provides access to crucial technical data, diagrams, and troubleshooting guides. 📋 Manual Details Coverage Areas Manual Type: Service Repair Manual (WSM - Workshop Service Manual) Language: English Format File Format: PDF Delivery Method: Instant Download Printability: Full Printable Requirements Software Requirement: Adobe PDF Reader Compatibility: All Versions of Windows & Mac 📖 Manual Coverage Systems Covered Engine Overhaul: Complete engine disassembly, inspection, repair, and reassembly procedures. Fuel System: Carburetor (if applicable), fuel pump, fuel lines, and filters. Cooling System: Radiator, fan, water pump, thermostat, and hoses. Lubrication System: Oil pump, oil pan, oil filter, and lubrication passages. Ignition System: Spark plugs, ignition coils, distributors (if applicable), and wiring. Electrical System: Wiring diagrams, battery, starter, alternator, lighting, and accessory circuits. Transmission: Clutch, gearbox, power take-off (PTO) unit, and related components. Drivetrain: Differential, rear axle, front axle (if applicable), and driveshafts. Braking System: Brake master cylinder, brake lines, calipers/drums, and parking brake. Steering System: Steering wheel, steering column, tie rods, and steering linkage (hydraulic assist if equipped). Hydraulic System: Hydraulic pump, control valves, lift arms, and hydraulic fluid specifications. Front Axle And Steering: Front wheel hub, spindle, kingpins, and steering geometry adjustments. Rear Axle And Final Drive: Rear wheel hubs, axle shafts, and final drive gear assemblies. Power Take Off Pto: PTO engagement, gearbox, and output shaft maintenance. Chassis And Frame: Frame inspection, component mounting, and structural integrity. Bodywork And Fenders: Sheet metal repair, fender mounting, and operator station components. Operator Controls: Throttle, clutch pedal, brake pedal, gear shifter, and hydraulic controls. Instrumentation: Tachometer, oil pressure gauge, temperature gauge, and warning lights. Procedures Included Routine Maintenance: Scheduled checks, fluid changes, filter replacements, and lubrication points. Troubleshooting: Diagnostic procedures for common problems and fault finding with detailed steps. Repair Instructions: Step-by-step instructions for component removal, repair, and installation. Adjustments: Clutch adjustment, brake adjustment, valve lash adjustment, and PTO linkage adjustments. Rebuilds: Detailed procedures for rebuilding engines, transmissions, hydraulic pumps, and other major components. Wiring Diagrams: Comprehensive electrical schematics for all circuits and components. Torque Specifications: Accurate torque values for all critical fasteners and bolts. Special Tools: Identification and usage of specialized tools required for specific repairs. Technical Depth Depth Level: In-depth, professional quality, covering all areas of repair. Visual Aids: Includes pictures and diagrams to simplify repair processes. 📊 Manual Specifications File Format Document Type: PDF (Portable Document Format) Text Searchability: Likely searchable text within the PDF, enabling quick information retrieval. Print Quality Print Resolution: Professional quality, suitable for clear printing of diagrams and text. Binding Type Binding: N/A (Digital Download - printable pages) Paper Type Recommended Paper: N/A (Digital Download - user prints as needed) ⚙️ Engine Specifications Primary Engine Engine Type: Likely diesel engines, commonly including International Harvester's own BD series or similar. Engine Type Details Model Specific Engines: 454/474/475 models often used the D-179 (3.0L) diesel. 574/674 models typically used the D-206 (3.4L) or D-239 (3.9L) diesel engines. Performance Horsepower Range: Approximately 40-70 PTO horsepower, depending on the specific model and engine. Torque Characteristics: Designed for robust torque delivery at lower RPMs, characteristic of agricultural diesel engines. Fuel System Injection Type: Likely indirect injection (IDI) diesel fuel system with rotary or inline injection pumps. Fuel Type: Diesel Fuel Lubrication System Oil Capacity: Typically around 5-7 quarts (4.7-6.6 liters) of engine oil, depending on model and filter size. Refer to manual for exact specification. Recommended Oil Viscosity: Commonly SAE 10W-30 or SAE 15W-40 diesel engine oil, depending on operating temperature. Refer to manual for exact specification. 🔧 Transmission Standard Transmission Type: Manual Synchromesh Transmission (MST) Gear Configuration: Typically an 8-speed or 12-speed gearbox (e.g., 8 forward + 4 reverse, or 12 forward + 4 reverse with a creeper gear). Optional Transmission Options: Some models might have offered a Hi-Lo transmission (power shift or range splitter) for increased gear selection. Features Clutch Type: Dry single-plate clutch, operated by foot pedal. Pto Speeds: Standard PTO speeds often include 540 RPM and 1000 RPM, with engagement via a separate lever. Fluid Specifications Transmission Oil Type: Typically a heavy-duty multi-purpose tractor oil (e.g., UTTO - Universal Tractor Transmission Oil) or SAE 80W-90 GL-4 gear oil. Refer to manual for exact specification. 📐 Dimensions Exterior Wheelbase Range: Approx. 80-85 inches (2030-2160 mm) for 2WD models. Weights Operating Weight Range: Approx. 4,500 - 6,000 lbs (2040 - 2720 kg), depending on configuration and options. 💡 Technology Features Infotainment Infotainment...