🏷️ Basic Information Identification Make: International Harvester Model: 674 Product Type: Workshop Service Repair Manual 👋 Introduction Market Position Target Audience: Do-it-yourself owners and experienced mechanics seeking detailed repair information. Key Features Content Highlight: Detailed illustrations, diagrams, wiring schematics, specifications, and step-by-step instructions. Value Proposition Cost Effectiveness: Inexpensive way to keep the tractor working properly and avoid costly shop visits. Usability Navigation: Numbered table of contents for fast information retrieval. Instruction Clarity: Numbered instructions, bold figure numbers, detailed substeps, and call-out notes/cautions/warnings. 📋 Manual Details Coverage Areas Primary Coverage: Complete service and repair for International Harvester Tractor 674 Systems Covered: Engine Mechanical, Engine Electrical, Emission Control, Fuel System, Suspension System, Clutch System, Manual Transaxle System, Driveshaft and Axle, Steering System, Brake System, Body Interior and Exterior, Body Electrical System, Restraint System Page Count Estimated Page Count: Varies by specific edition, but comprehensive manuals typically exceed 500 pages Manual Type Type: Service Repair Manual / Workshop Manual Language Language: English Format File Format: PDF 📖 Manual Coverage Systems Covered Engine Mechanical System: Detailed diagnostics, disassembly, inspection, repair, and reassembly procedures for engine components including cylinder heads, blocks, crankshafts, pistons, connecting rods, camshafts, and valve trains. Engine Electrical System: Includes troubleshooting, repair, and component testing for starting system, charging system, ignition system, and related wiring harnesses. Emission Control System: Information on emission control devices, their function, and troubleshooting procedures to meet regulatory standards. Fuel System: Diagnosis and repair of fuel injection or carburetion systems, fuel pumps, filters, lines, and associated components. Suspension System: Service and repair procedures for front and rear suspension components, including kingpins, bushings, linkages, and shock absorbers. Clutch System: Detailed instructions for clutch inspection, adjustment, replacement of clutch disc, pressure plate, and release bearing. Manual Transaxle System: Repair and overhaul procedures for the gearbox, including gear inspection, bearing replacement, and shift mechanism service. Driveshaft And Axle: Service information for driveshafts, universal joints, differentials, and axle shafts. Steering System: Procedures for diagnosing and repairing steering gears, linkages, power steering components (if applicable), and steering column. Brake System: Comprehensive coverage of brake system maintenance, repair, and bleeding, including brake shoes, drums, cylinders, and hydraulic lines. Body Interior And Exterior: Guidance on body panel repairs, door mechanisms, seat adjustments, and exterior trim. Body Electrical System: Wiring diagrams, troubleshooting for lighting systems, instrument clusters, and accessories. Restraint System: Information on safety restraints such as seat belts and ROPS (Roll Over Protection Structure) if applicable. Procedures Included Maintenance: Scheduled maintenance, fluid changes, lubrication, filter replacements, and general upkeep procedures. Troubleshooting: Systematic diagnostic flowcharts and common problem identification for all major vehicle systems. Repair: Step-by-step repair instructions for component removal, rebuilding, and installation. Diagnostics: Detailed diagnostic procedures for identifying and rectifying faults across various systems. Electrical Service: Combined troubleshooting and wiring diagrams for efficient electrical system diagnosis and repair. Rebuilds And Overhauls: Detailed instructions for major component rebuilds, including engines, transmissions, and hydraulic systems. Technical Depth Depth: Comprehensive, covering from basic maintenance to complete overhauls and advanced diagnostics. Specifications Detail: Provides essential technical data like torque specifications, clearances, fluid capacities, and timing settings. Manual Completeness Completeness Level: Factory Service Manual level of detail, aiming to cover all repair and maintenance tasks. 📊 Manual Specifications File Format Format: PDF Print Quality Printability: Fully Printable Viewing Features: Zoom IN/OUT functionality Binding Type Binding: Digital (PDF) Paper Type Paper Type: N/A (Digital Format) Delivery Delivery Method: Instant Download Requirements Software Requirements: Adobe PDF Reader & WinZip Compatibility Operating Systems: All Versions of Windows & Mac ⚙️ Engine Specifications Primary Engine Engine Type: Diesel (Commonly D-155 and D-179 variants) Engine Manufacturer: International Harvester Performance Horsepower Range: Approx. 55-65 PTO horsepower (varies by specific engine and configuration) Torque Specs: Refer to specific engine variant within the manual for exact torque values. Fuel System Fuel Type: Diesel Injection System: Typically CAV or Simms inline fuel injection pumps, or rotary pumps depending on variant. 🔧 Transmission Standard Transmission Type: Manual Synchromesh (often with 8 forward and 4 reverse gears or variants like 16/4) Optional Transmission Features: Some models may have offered a torque amplifier (TA) option for enhanced gearing. Features Gear Selection: Shuttle shift or constant mesh gearboxes with multiple speed ranges. 📐 Dimensions Exterior Wheelbase: Approx. 83 inches (2108 mm) Length: Approx. 130 inches (3302 mm) Weights Operating Weight: Approx. 6,000 - 7,000 lbs (2721 - 3175 kg) 🛡️ Safety Features Passive Features Rollover Protection: ROPS (Roll Over Protection Structure) may be standard or an optional factory-fitted or aftermarket accessory, detailed in the manual. Seatbelts: Presence and serviceability of seat belts as per manual instructions. 💡 Technology Features Infotainment Instrument Cluster: Basic analog gauges for speed, engine RPM, temperature, oil pressure, and fuel level. Driver Assistance Traction Control: N/A (Tractors of this era do not typically feature electronic driver assistance systems like traction control). Connectivity Connectivity Features: N/A (Focus on mechanical...