🏷️ Basic Information Identification Make: International Harvester Model: 674 Tractor Product Type: Workshop Service Repair Manual Generation Generation Code: 674 Series 👋 Introduction Market Position Value Proposition: An inexpensive way to maintain and repair the International Harvester 674 Tractor, empowering DIY users and professional mechanics. Competitive Analysis Resource Type: Primary source for repair and service information, comparable to factory service manuals. Key Features Accessibility: Instant download, digital format for easy access and printing. Content Breadth: Covers all major mechanical and electrical systems comprehensively. 📋 Manual Details Coverage Areas Primary Coverage: Complete service, repair, and maintenance for the International Harvester 674 Tractor. Diagnostic Coverage: Troubleshooting and diagnosis of mechanical and electrical systems. Electrical Coverage: Detailed wiring schematics and electrical system repair procedures. Page Count Estimated Page Count: Not specified, but described as 'complete' and covering 'every detail'. Manual Type Manual Type: Workshop Service Repair Manual / Factory Service Repair Manual Language Language: English Format File Format: PDF Digital Features: Zoom IN/OUT functionality, fully printable pages. Delivery Delivery Method: Instant Download Requirements Software Requirements: Adobe PDF Reader, WinZip Compatibility Operating System Compatibility: All Versions of Windows & Mac 📖 Manual Coverage Systems Covered Engine Mechanical: Engine mechanical system overhaul, repair, and adjustment. Engine Electrical: Engine electrical system diagnosis and repair, including wiring. Emission Control: Emission control system operation and servicing. Fuel System: Fuel system components, maintenance, and repair. Suspension: Front and rear suspension system inspection and repair. Clutch: Clutch system operation, adjustment, and replacement. Transmission Manual: Manual transaxle system overhaul and repair. Transmission Automatic: Automatic transaxle system (if applicable to specific 674 variants) repair. Driveshaft Axle: Driveshaft and axle components inspection and service. Steering: Steering system diagnosis, repair, and adjustment. Brakes: Brake system inspection, maintenance, and repair. Body Interior Exterior: Bodywork, interior trim, and exterior component repair and maintenance. Body Electrical: Body electrical systems including lighting, controls, and accessories. Restraint Systems: Restraint systems (if applicable, e.g., seat belts) inspection and repair. Procedures Included Maintenance Procedures: Routine maintenance, fluid changes, filter replacements, lubrication. Repair Procedures: Step-by-step repair instructions for all major components and systems. Troubleshooting: Detailed troubleshooting guides for common and complex issues. Rebuild Instructions: Overhaul and rebuild procedures for engines, transmissions, and other major assemblies. Diagnostic Procedures: Diagnostic routines and tests for identifying malfunctions. Technical Depth Depth Of Information: Comprehensive, covering everything from basic checks to complete overhauls. Suitable for DIY and professional mechanics. Illustration Quality: Detailed illustrations, diagrams, and photos to guide repair processes. Specification Detail: Includes critical specifications for all components and systems. Wiring Schematics: Explicitly includes wiring schematics for electrical system diagnostics. Manual Features Instruction Format: Numbered steps, substeps, notes, cautions, and warnings. Navigation: Numbered table of contents for quick information retrieval. Highlighting: Bold figure numbers for easy illustration matching. 📊 Manual Specifications File Format Digital Format: PDF Print Quality Printability: Fully printable, allowing users to print specific sections as needed. Binding Type Binding: Not applicable for digital PDF format; intended for on-screen or printed use. Paper Type Paper Recommendation: Not applicable for digital PDF format; recommend durable paper for workshop use if printed. ⚙️ Engine Specifications Primary Engine Engine Type: Diesel (specific engine models and configurations for the 674 are likely covered, e.g., D-155, D-179, D-206, D-236 depending on market and year). Performance Power Output: Varies by specific engine fitted; typically in the 50-70 HP range. Torque: Varies by specific engine fitted; specified within the manual. Fuel System Fuel Type: Diesel Fuel Fuel Injection: Likely a rotary or inline injection pump system, detailed in the manual. 🔧 Transmission Standard Transmission Type Standard: Likely a synchronized manual transmission (e.g., 8-speed or 16-speed with creeper). Optional Transmission Type Optional: Potentially a Powershift or other transmission options depending on the exact 674 variant and market. The manual explicitly mentions 'Automatic Transaxle System' which suggests this may be covered. Features Gear Selection: Details on gear selection, clutch operation, and power take-off (PTO) engagement. 📐 Dimensions Exterior Overall Length: Varies by configuration, but typically around 3.5 - 4 meters (approx. 138-157 inches). Overall Width: Varies by tire and rear axle width, typically around 1.8 - 2 meters (approx. 70-79 inches). Weights Operating Weight: Approximately 2300-2800 kg (approx. 5070-6170 lbs) without ballast. 💡 Technology Features Infotainment Infotainment Features: Not applicable to this tractor model; focus is on mechanical and operational technology. Driver Assistance Driver Assistance Features: Not applicable; basic operator controls and safety features as per standards of the era. Connectivity Connectivity Features: Not applicable. 🔧 Maintenance Service Intervals Engine Oil Change: Typically every 100-250 operating hours, as specified in the manual. Fuel Filter Replacement: Recommended at regular intervals, e.g., every 250-500 hours or annually. Fluid Specifications Engine Oil Type: Refer to manual for specific viscosity grade (e.g., SAE 15W-40 or 20W-50) and API service category (e.g., CD or CE). Transmission Hydraulic Fluid: Specific IH validated fluid or equivalent (e.g., UTF - Universal Tractor...