The International Harvester 1026 Tractor, produced between 1967 and 1969, represents a robust and versatile machine within the utility tractor segment. Powered by the International Harvester DT-407 diesel engine, this tractor offers approximately 74 horsepower at the PTO and 63 horsepower at the drawbar, making it suitable for a wide range of agricultural tasks. Its engineering is characterized by a strong emphasis on reliability and performance, featuring a distinctive Torque Amplifier (TA) transmission that effectively doubles the number of gears, providing 16 forward and 4 reverse speeds for enhanced operational flexibility. The 1026 is known for its practical design, including hydraulic power steering for improved maneuverability, and is a sought-after model for owners, mechanics, and restoration enthusiasts. This Workshop Service Manual (WSM) provides comprehensive guidance for the maintenance, repair, and overhaul of the International Harvester 1026 Tractor. It covers all essential systems, including detailed procedures for engine overhaul, fuel, cooling, ignition, transmission, hydraulics, and electrical systems, as well as brake, steering, and chassis components. The manual includes step-by-step instructions, troubleshooting guides, wiring diagrams, and torque specifications, all presented with clear illustrations to facilitate understanding. Its purpose is to empower owners and technicians with the knowledge needed to perform routine maintenance, diagnose issues, and execute repairs, ensuring the longevity and optimal performance of the tractor. 🏷️ Basic Information Identification Make: International Harvester Model: 1026 Tractor Codes Product Name: International Harvester 1026 Tractor WSM Service Manual PDF Download 👋 Introduction Market Position Target Audience: Tractor owners, mechanics, and restoration enthusiasts seeking comprehensive repair information. Key Features Value Proposition: Enables DIY repairs, saving significant costs and providing deep technical understanding. Content Highlight: Covers all services, repairs, and routine maintenance with detailed diagrams and instructions. 📋 Manual Details Coverage Areas Manual Type: Workshop Service Manual (WSM) / Repair Manual Language: English Format: PDF Download Delivery: Instant Download Requirements: Adobe PDF Reader Compatibility: All Versions of Windows & Mac 📖 Manual Coverage Systems Covered Engine Overhaul: Complete engine disassembly, inspection, repair, and reassembly procedures. Fuel System: Carburetor, fuel pump, fuel filter, fuel lines, and tank maintenance and repair. Cooling System: Radiator, thermostat, water pump, hoses, and fan service. Ignition System: Spark plugs, distributor, ignition coil, and wiring diagnostics and repair. Transmission Service: Repair and overhaul of the transmission, including clutch, gearbox, and hydraulic systems. Hydraulic System: Power steering, 3-point hitch hydraulics, and PTO hydraulic system maintenance and repair. Electrical System: Starter, generator/alternator, battery, lighting, and wiring harness repair and troubleshooting. Brake System: Service and repair of internal expanding shoe brakes or disc brakes (depending on specific build). Steering System: Diagnosis and repair of steering mechanisms, including power steering components. Chassis And Frame: Inspection, repair, and adjustment of the tractor frame and associated components. Body And Fenders: Repair and maintenance of the tractor's body panels, fenders, and operator station. Power Takeoff Pto: Service and repair of both independent and transmission-driven PTO systems. Front Axle And Steering: Maintenance and repair of the front axle assembly and steering linkage. Rear Axle And Differential: Overhaul and repair of the rear axle, differential, and final drives. Procedures Included Routine Maintenance: Oil changes, filter replacements, lubrication points, and general inspection procedures. Troubleshooting Guides: Step-by-step diagnostic procedures for common and uncommon problems. Disassembly And Reassembly: Detailed instructions for taking apart and putting back together all major tractor components. Adjustments And Settings: Precise instructions for setting clearances, pressures, and alignments. Wiring Diagrams: Comprehensive electrical schematics for troubleshooting and repair. Torque Specifications: Essential torque values for critical fasteners throughout the tractor. Technical Depth Depth Level: Full Professional Quality, In-depth Service and Repair Instruction Style: Easy to follow step-by-step instructions with pictures. 📊 Manual Specifications File Format File Type: PDF Print Quality Printability: Full Printable Binding Type Binding Method: Digital (Printable PDF) Paper Type Paper Recommendation: Standard printer paper (user printable) ⚙️ Engine Specifications Primary Engine Engine Family: International Harvester DT-407 (Diesel) Engine Type: Diesel, 4-stroke Displacement: 407 cubic inches (6.67 liters) Bore X Stroke: 4.25 in. x 4.50 in. (108 mm x 114 mm) (Typical) Performance Horsepower Rated Pto: Approximately 74 HP (PTO) (Varies by specific configuration) Horsepower Rated Drawbar: Approximately 63 HP (Drawbar) (Varies by specific configuration) Fuel System Fuel Type: Diesel Fuel Injection System: Roosa Master rotary injection pump (Typical) 🔧 Transmission Standard Transmission Type: International Harvester TA (Torque Amplifier) with manual gearshift Gear Configurations: Often 8 forward speeds and 2 reverse speeds (plus TA multiplication). Features Torque Amplifier: Provides 16 forward and 4 reverse speeds by doubling each gear with a planetary gearset. 📐 Dimensions Weights Operating Weight: Approximately 7,000 - 8,000 lbs (3,175 - 3,629 kg) depending on configuration. Wheelbase: Approximately 88 inches (2,235 mm) 🛡️ Safety Features Active Features Brakes: Internal expanding shoe or disc brakes, typically hydraulically activated. Passive Features Operator Station: Open station with operator's platform; optional ROPS (Roll-Over Protective Structure) may be available or retrofitted. 💡...