🏷️ Basic Information Identification Make: International Harvester Model: 986 Tractor Product Type: Workshop Service Repair Manual 👋 Introduction Market Position Target Audience: Professional technicians, DIY mechanics, tractor owners. Competitive Analysis Value Proposition: Cost savings on labor, access to professional-grade repair information, comprehensive coverage. Key Features Instant Access: No shipping costs or waiting time for delivery. Print On Demand: Ability to print specific sections for use in potentially dirty environments. Authoritative Source: Written by professionals/manufacturers for dealer service departments. 📋 Manual Details Coverage Areas Primary Coverage: International Harvester Tractor 986 Additional Coverage: Related variants and configurations of the 986 series may be addressed for general maintenance and repair principles. Page Count Estimated Page Count: Hundreds of pages (as indicated by product description) Manual Type Manual Type: Workshop Service Manual / Repair Manual Language Language: English Format Delivery Format: PDF Download 📖 Manual Coverage Systems Covered Engine: Detailed overhaul and repair procedures, diagnostics, component identification. Transmission: Service and repair for power shift, gears, clutch packs, and related components. Hydraulics: Lift systems, power steering, hydraulic pump, valve bodies, cylinders, and fluid maintenance. Electrical System: Wiring diagrams, starter, alternator, battery, lighting, instrument cluster troubleshooting. Braking System: Service and adjustment of brake mechanisms, hydraulic lines, and components. Front Axle And Steering: Repair, overhaul, and alignment procedures for the front axle and steering system. Rear Axle And Differential: Service and maintenance of the rear axle, differential, and final drives. Fuel System: Fuel tank, lines, filters, and injection pump servicing. Cooling System: Radiator, fan, water pump, thermostat, and coolant maintenance. Pto System: Power Take-Off unit service and repair. Operator Station: Dashboard, controls, seating, and cab component service. Chassis And Frame: Information related to the tractor's structural integrity and component mounting. Procedures Included Routine Maintenance: Periodic maintenance charts, lubrication, filter changes, fluid checks. Step By Step Repairs: Detailed, sequential repair instructions for all major systems. Troubleshooting: Diagnostic information and fault finding for common issues. Overhaul Procedures: Comprehensive guide for complete engine, transmission, or hydraulic system rebuilds. Wiring Diagrams: Included for electrical system troubleshooting and repair. Component Replacement: Guidance on replacing individual components within systems, such as starters, alternators, water pumps, etc. Technical Depth Depth Level: Designed for professional technicians, but provides adequate data for DIY mechanics performing repairs and maintenance. Comprehensiveness: Covers repairs, service schedules, maintenance, wiring diagrams, and diagnostics. Diagnostic Procedures: Includes methods for diagnosing common operational faults and malfunctions. 📊 Manual Specifications File Format File Format: PDF Searchability: Likely text-searchable PDF, enhancing usability. Print Quality Printability: Full Printable Zoom Functionality: YES (Zoom IN/OUT) Binding Type Binding Type: Digital (Instant Download) Paper Type Paper Type: N/A (Digital Format) Requirements Software Requirements: Adobe PDF Reader & WinRAR Compatibility: All Versions of Windows & Mac ⚙️ Engine Specifications Primary Engine Engine Family: International Harvester DT-466 Series (typically) Engine Type: Diesel, 4-stroke, naturally aspirated or turbocharged (depending on specific configuration) Performance Displacement: Approximately 466 cubic inches (7.6 liters) for the DT-466 Horsepower Range: Varies by specific model and configuration, typically 100-150+ HP Torque Range: Significant torque output for heavy-duty applications. Fuel System Injection System: Mechanical fuel injection, often with distributor-type or inline injection pumps. Fuel Type: Diesel Fuel Cooling System Cooling Type: Liquid-cooled 🔧 Transmission Standard Transmission Type: Power Shift (e.g., 16-speed) Optional Optional Transmission: Manual transmission options may have been available on some configurations. Features Gear Selection: Offers a wide range of gears for various field operations and road speeds. Fluid Specifications Transmission Fluid Type: Hy-Tran (or equivalent) or manufacturer-specified hydraulic fluid. 📐 Dimensions Exterior Wheelbase: Varies, but typically around 90-100 inches. Weights Operating Weight: Generally in the range of 10,000 - 12,000 lbs (unballasted). Tow Capacity: High towing capacity suitable for farm implements. 🛡️ Safety Features Ratings Safety Features: ROPS (Roll-Over Protective Structure) typically standard or optional, seatbelts. Active Features Braking System: Wet disc brakes for reliable stopping power. 💡 Technology Features Infotainment Instrumentation: Basic dashboard with essential gauges for engine temperature, oil pressure, fuel level, and tachometer. Driver Assistance Operator Comfort Features: Designed for operator comfort with elevated seating positions and ergonomic control placement for its era. 🔧 Maintenance Service Intervals Engine Oil Change: Typically every 250-500 hours, depending on operating conditions (refer to manual for specifics). Transmission Fluid Change: Varies, often around 1000-2000 hours (refer to manual). Hydraulic Fluid Change: Typically every 1000-2000 hours (refer to manual). Fluid Specifications Engine Oil Type: API CD or CE rated, SAE 15W-40 or 10W-30 (depending on ambient temperature). Engine Oil Capacity: Approximately 16-18 quarts (refer to manual). Coolant Type: Ethylene glycol based antifreeze with corrosion inhibitors, typically a 50/50 mix with water. Known Issues Common Wear Items: Hydraulic pump wear, clutch pack wear in power shift, injector pump issues, electrical harness degradation. Maintenance Tips: Regularly check and clean air cleaner, maintain fuel system cleanliness, and ensure proper lubrication. 📚 Vehicle History Brand Heritage Manufacturer Legacy: International Harvester was a...