🏷️ Basic Information Identification Make: International Harvester Model: 1086 Product Type: Workshop Service Repair Manual Codes Product Identifier: IH International Harvester 1086 Workshop Service Manual PDF Download 👋 Introduction Market Position Target Audience: Do-it-yourselfers and experienced mechanics for IH International Harvester 1086 tractor owners Competitive Analysis Value Proposition: Cost-effective way to maintain and repair the tractor, saving money and improving knowledge Key Features Comprehensiveness: Complete official full factory service repair manual Instructional Aid: Hundreds of photos and illustrations guiding through procedures Usability: Numbered instructions, bold figure numbers, detailed substeps, notes, cautions, and warnings Navigability: Numbered table of contents for quick information retrieval 📋 Manual Details Coverage Areas General Information: Provided Specifications: Provided Engine: Provided Cooling System: Provided Fuel System: Provided Power Train: Provided Front Axle: Provided Clutch: Provided Differential Lock: Provided Electrical System: Provided Brakes: Provided Fenders Fuel Tank Platform: Provided Final Drive: Provided Front System: Provided Front Wheel Drive: Provided Hydraulic System: Provided Main Drive Bevel Gears Differential: Provided Park Brake: Provided Power Steering System: Provided Power Take Off: Provided Rear Axle: Provided Steering Gear: Provided Transmission: Provided Page Count Estimate: Hundreds of pages Manual Type Type: Official Full Factory Service Repair Manual Language Language: English Format File Format: PDF 📖 Manual Coverage Systems Covered All Major Systems: Yes Procedures Included Repair Procedures: Step-by-step, based on complete disassembly Troubleshooting: Included, particularly for electrical systems Maintenance: Implied by service repair context Technical Depth Depth: Complete factory level detail, suitable for do-it-yourselfers and experienced mechanics Diagnostic Capabilities: Enhanced for electrical systems with detailed wiring diagrams 📊 Manual Specifications File Format Compatibility: All PC-based Windows operating systems and Mac Print Quality Printability: Printable without any restriction, entirety or select pages Binding Type Binding: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) Delivery Method Delivery: Download link on checkout page after payment Software Requirements Reader Requirement: Adobe PDF Reader ⚙️ Engine Specifications Primary Engine Engine Type: Internal Combustion (Diesel) Engine Model: DT-466 (Commonly fitted to 1086, manual will detail specific configurations) Displacement: 466 cubic inches (7.6 Liters) Performance Horsepower Rating: Approximately 130-140 PTO HP (Varies by specific configuration and tuning) Torque Rating: Significant torque output for heavy draft work (Specifics detailed in manual) Fuel System Fuel Type: Diesel Injection System: Direct Injection (Typically Bosch inline injection pump) 🔧 Transmission Standard Transmission Type: T-144 Power Transfer (16-speed forward, 4-speed reverse) Optional Optional Transmission: N/A (T-144 was standard for 1086) Features Gear Selection: Splitter gearbox and range shifter for 16 forward gears Transmission Fluid Type: IH Hy-Trans (or equivalent UTF - Universal Tractor Fluid, specific specifications in manual) 📐 Dimensions Exterior Wheelbase: Approx. 94 inches (2388 mm) Overall Length: Approx. 155 inches (3937 mm) Weights Operating Weight: Approx. 10,000 lbs (4536 kg) without ballast Maximum Ballast: Significant capacity for ballast, detailed in manual 🛡️ Safety Features Ratings Rollover Protection: ROPS (Roll Over Protective Structure) likely available or standard, manual will cover installation/maintenance Active Features Braking System: Hydraulically assisted disc brakes (wet disc brakes) Passive Features Seatbelt: Likely present with ROPS installation 💡 Technology Features Infotainment Infotainment System: N/A (Agricultural tractor of its era) Driver Assistance Driver Assistance Features: N/A (Focus on core mechanical and hydraulic operation) Connectivity Connectivity Features: N/A (Mechanical and basic electrical systems) 🔧 Maintenance Service Intervals Engine Oil Change: Typically every 250 hours or annually (Refer to manual for precise IH recommendations) Hydraulic Fluid Change: Typically every 1000-1200 hours or annually (Refer to manual) Fluid Specifications Engine Oil Grade: API CD/CE rated diesel engine oil, SAE 15W-40 recommended (Check manual for specific IH specs) Coolant Type: Ethylene glycol-based antifreeze, 50/50 mix with clean water Transmission Hydraulic Fluid: IH Hy-Trans or equivalent UTF Known Issues Common Wear Points: Clutch packs, hydraulic pump, front axle kingpins, and PTO components are common wear areas over time. Electrical connectors can be prone to corrosion. Diagnostic Focus: Manual's detailed troubleshooting for electrical and hydraulic systems is critical for addressing common operational quirks. 📚 Vehicle History Brand Heritage Manufacturer History: International Harvester was a major American manufacturer of agricultural and construction equipment. Model Evolution Model Lineage: The 1086 is part of the highly successful International Harvester Hydro 70/86 series, known for its power and reliability. Production Production Years: 1976-1981 Manufacturing Plant: Rockford, Illinois, USA (Primary) 🏆 Awards & Recognition Recognitions Industry Recognition: The 1086, as part of the Hydro 86 series, was renowned for its robust engineering and operator comfort for its time, setting benchmarks in the agricultural industry.