🏷️ Basic Information Identification Make: International Harvester Model: 986 Product Name: IH International Harvester 986 Workshop Service Manual PDF Download 👋 Introduction Market Position Target Audience: Do-it-yourself tractor owners and experienced mechanics. Value Proposition: Saves money on repairs and increases understanding of the tractor. Key Features Completeness: Complete official full factory service repair manual. Detail Level: Hundreds of pages with detailed procedures, photos, and illustrations. Accessibility: Instant PDF download, no shipping delays. 📋 Manual Details Coverage Manual Type: Workshop Service Repair Manual Language: English Format: PDF Delivery Method: Download Printability: Printable (entire manual or select pages) 📖 Manual Coverage Systems Covered General Information: Comprehensive overview of the IH 986 tractor. Specifications: Detailed technical specifications for the IH 986 tractor. Engine: Complete engine service, repair, and overhaul procedures. Cooling System: Service and repair of the cooling system components. Fuel System: Diagnosis, repair, and adjustment of the fuel system. Power Train: Detailed information on power train components and systems. Front Axle: Service and repair for the front axle assembly. Clutch: Clutch inspection, adjustment, and replacement procedures. Differential Lock: Operation and service of the differential lock system. Electrical System: Troubleshooting, diagnosis, and repair of the electrical system, including wiring diagrams. Brakes: Service and repair of the braking system. Fenders Fuel Tank Platform: Service and repair of body components including fenders, fuel tank, and operator platform. Final Drive: Service and repair of the final drive assemblies. Front System: General service and repair of front-end components. Front Wheel Drive: Service and repair for optional front-wheel drive systems. Hydraulic System: Comprehensive coverage of the hydraulic system, including pumps, valves, and cylinders. Main Drive Bevel Gears And Differential: Service and repair of main drive bevel gears and differential. Park Brake: Service and repair of the parking brake system. Power Steering System: Diagnosis and repair of the power steering system. Power Take Off: Service and repair of the PTO system. Rear Axle: Service and repair of the rear axle assembly. Steering Gear: Service and repair of the steering gear mechanism. Transmission: Complete service, repair, and adjustment of the transmission. Procedures Included Maintenance: Step-by-step maintenance procedures. Troubleshooting: Diagnostic procedures for common and uncommon problems. Repair: Detailed repair instructions for all major systems. Disassembly And Assembly: Complete disassembly and reassembly guides. Adjustments: Adjustment procedures for various components. Overhaul: Overhaul instructions for key components like the engine and transmission. Wiring Diagrams: Detailed electrical wiring diagrams for the entire tractor. Technical Depth Depth: Comprehensive coverage from basic maintenance to complete rebuilds. Detail Level: Hundreds of pages with hundreds of photos and illustrations. Instruction Format: Step-by-step numbered instructions with detailed substeps. Safety Information: Notes, cautions, and warnings throughout for critical information. Illustration Support: Detailed illustrations, drawings, photos, and enlarged insets. 📊 Manual Specifications File Details File Format: PDF Readability: Requires Adobe PDF Reader Portability: Can be saved to hard drive and burned to CD-ROM. Searchability: Implied by PDF format, often searchable text. Print Quality Print Quality: High quality, suitable for professional printing. Binding Type Binding Type: Not applicable (digital download) Paper Type Paper Type: Not applicable (digital download) ⚙️ Engine Specifications Primary Engine Engine Type: Diesel (specific engine model details likely within manual) Performance Horsepower: Refer to manual for specific engine variant (e.g., ~83 PTO HP for 986) Torque: Refer to manual for specific engine variant Fuel System Fuel Type: Diesel Injection System: Likely mechanical injection (specifics within manual) 🔧 Transmission Standard Transmission Type: Likely a 16-speed synchronized transmission (e.g., T-427 or similar) or a PowerShift option. Refer to manual for exact configuration. Optional Optional Transmission: Possible PowerShift transmission options depending on specific 986 configuration. Features Gear Selection: Manual gear selection with range shifting. Transmission Fluid Type: Refer to manual for specific IH transmission fluid specifications (e.g., Hy-Tran). 📐 Dimensions Weights Operating Weight: Refer to manual for exact specifications (typically around 9,000 - 10,000 lbs without ballast). Maximum Weight: Refer to manual for Gross Vehicle Weight Rating (GVWR). 🛡️ Safety Features Ratings Safety Compliance: Standard agricultural tractor safety features and compliance for its era. 💡 Technology Features Infotainment Cab Features: Likely equipped with a comfortable 'Silent Cab' or similar operator station, with basic controls and instrumentation. Driver Assistance Steering Assist: Hydraulic power steering. Connectivity Instrumentation: Basic dashboard instrumentation for engine monitoring and gear selection. 🔧 Maintenance Service Intervals Engine Oil Change: Refer to manual for specific intervals and oil type (typically 250 hours). Transmission Oil Change: Refer to manual for specific intervals and fluid type. Fluid Specifications Engine Oil: Refer to manual for SAE viscosity grade and API service classification. Hydraulic Fluid: Refer to manual for specific IH Hy-Tran or equivalent specifications. Known Issues Common Wear Items: Typical wear items might include clutch, brakes, hydraulic seals, and PTO components. Electrical system components can also be a focus. Troubleshooting Focus: The manual's detailed troubleshooting sections are invaluable for addressing common and uncommon issues. 📚...