🏷️ Basic Information Identification Make: International Harvester Model: 684 Tractor Product Type: Workshop Service Repair Manual 👋 Introduction Market Position Target Audience: Do-it-yourself owners and experienced mechanics Key Features Value Proposition: Save money, understand and maintain your tractor effectively. Delivery Method: Instant download upon payment completion 📋 Manual Details Coverage Areas Primary Coverage: IH International Harvester 684 Tractor Page Count Estimated Pages: Hundreds of pages (print-ready) Manual Type Type: Factory Service Repair Manual Language Language: English Format Format: PDF 📖 Manual Coverage Systems Covered Engine: IH International Harvester 684 Tractor Engine Lubrication System: IH International Harvester 684 Tractor Lubrication System Cooling System: IH International Harvester 684 Tractor Cooling System Fuel System: IH International Harvester 684 Tractor Fuel System Disassembly Servicing: IH International Harvester 684 Tractor Disassembly and Servicing General Information: IH International Harvester 684 Tractor General Separation Procedures: IH International Harvester 684 Tractor Separation Clutch: IH International Harvester 684 Tractor Clutch Transmission: IH International Harvester 684 Tractor Transmission Drive Train: IH International Harvester 684 Tractor Drive Chain & Sprockets Rear Axle: IH International Harvester 684 Tractor Rear Axle Brakes: IH International Harvester 684 Tractor Brakes Front Axle: IH International Harvester 684 Tractor Front Axle Steering: IH International Harvester 684 Tractor Steering Suspension: IH International Harvester 684 Tractor Shocks Bodywork: IH International Harvester 684 Tractor Body Work Intake Exhaust: IH International Harvester 684 Tractor Intake & Exhaust Hydraulic System: IH International Harvester 684 Tractor Hydraulic System Electrical System: IH International Harvester 684 Tractor Electrical System Routine Maintenance: IH International Harvester 684 Tractor Routine Maintenance Troubleshooting: IH International Harvester 684 Tractor Advanced Troubleshooting Wiring Diagrams: IH International Harvester 684 Tractor Wiring Diagram Procedures Included Repair Procedures: Step-by-step instructions for complete disassembly and servicing Diagnostics: Advanced troubleshooting for electrical and mechanical systems Maintenance: Routine maintenance procedures and schedules Technical Depth Depth: Comprehensive factory-level service and repair information Detail Level: Hundreds of photos and illustrations, detailed substeps, notes, cautions, and warnings 📊 Manual Specifications File Format Format: PDF Print Quality Printability: Printable without restriction Binding Type Binding: Digital Download (Printable pages) Paper Type Medium: Digital PDF Software Requirements Reader: Adobe PDF Reader ⚙️ Engine Specifications Primary Engine Engine Type: Diesel (Specific engine model to be detailed in manual) Performance Horsepower Range: Likely in the 50-70 HP range, specific to engine variant (Manual to confirm) Fuel System Injection System: Details on injection pump, injectors, and fuel delivery system to be found in manual. 🔧 Transmission Standard Transmission Type: Likely a manual gearbox with multiple speeds (e.g., 8-speed or 16-speed transmission variants). Features Gear Selection: Manual gear shifting, potentially with a high/low range selector. 📐 Dimensions Weights Operating Weight: Approximately 4500-5500 lbs (2040-2500 kg), manual will provide exact figures. Wheelbase: Manual will specify exact wheelbase measurement. 🛡️ Safety Features Active Features Braking System: Serviceable details on internal expanding shoe or disc brakes, parking brake operation. 💡 Technology Features Infotainment Instrument Panel: Basic instrumentation including tachometer, oil pressure, temperature, and fuel gauges. Detailed in electrical section. Driver Assistance Pto Engagement: Manual will cover proper operation of Power Take-Off (PTO) engagement. Connectivity Wiring Diagrams: Comprehensive wiring diagrams for electrical system troubleshooting and repair. 🔧 Maintenance Service Intervals Engine Oil Change: Typically 250 hours or annually, specific interval detailed in manual. Transmission Fluid Change: Check manual for specific intervals and fluid type. Fluid Specifications Engine Oil: API CD or CE classification, SAE 15W-40 or 10W-30 recommended (Manual will specify exact grade and capacity). Hydraulic Fluid: IH Hy-Trans fluid or equivalent, specified capacity in manual. Known Issues Common Wear Items: Clutch wear, hydraulic pump seals, electrical connections can be common issues. Manual will detail diagnostics. Parts Identification Illustration Reference: Manual includes detailed illustrations and callouts for part identification. 📚 Vehicle History Brand Heritage Manufacturer: International Harvester (IH), a historic American manufacturer of agricultural and construction machinery. Model Evolution Series: Part of the International Harvester range of tractors, successor to earlier models in the medium-horsepower utility tractor segment. Production Production Years: Mid-1970s to early 1980s (Manual will cover specific production runs). 🏆 Awards & Recognition Recognitions Industry Standing: IH tractors are renowned for their durability and robust construction in the agricultural industry.