🏷️ Basic Information Identification Make: International Harvester Product Name: International Harvester Series Hydro 100 Hydro 186 1466 1468 1486 1566 1568 1586 Tractor Complete Workshop Service Repair Manual PDF Download Codes Models Covered: • Hydro 100 • Hydro 186 • 1466 • 1468 • 1486 • 1566 • 1568 • 1586 👋 Introduction Market Position Target Audience: Farm owners, mechanics, and DIY enthusiasts looking to maintain and repair International Harvester tractors. Key Features Cost Saving Benefit: Enables users to perform repairs themselves, saving significant money on labor costs. Accessibility: Downloadable and accessible on various digital devices. Customer Assurance: Customer Satisfaction Guaranteed 📋 Manual Details Coverage Areas Coverage Scope: Complete Service & Repair Procedures A-Z Model Variants Covered: All Models, Engines, Trim, and Transmission Types Engine Variants Covered: Includes specific details for different engine options (e.g., DT-466, DT-436, etc.) as fitted to the covered tractor models. Transmission Variants Covered: Details specific to the hydrostatic transmission systems used across the listed tractor models. Manual Type Manual Type: Workshop Service Repair Manual Language Language: English Format Format: PDF Download Delivery Method: Instant Email Delivery File Format Computer Compatibility: All PC & MAC Computers, Tablets, Mobile Phones Required Software: Adobe Reader (Free Download) 📖 Manual Coverage Systems Covered Engine Systems: • Engine Overhaul • Fuel System • Lubrication System • Cooling System • Starting System • Ignition System (if applicable) • Intake and Exhaust Systems Transmission Systems: • Hydrostatic Transmission Service and Repair • Hydraulic Pump and Motor Overhaul • Transmission Fluid System • Transmission Control Systems Hydraulic Systems: • Main Hydraulic System • Power Steering System • Implement Hydraulic Control • Hydraulic Pumps, Valves, Cylinders, and Hoses Electrical Systems: • Wiring Diagrams • Charging System • Starting System • Lighting System • Instrument Panel and Gauges • Component Testing and Diagnosis Chassis And Drivetrain: • Front Axle • Rear Axle • Braking System • Steering System • Clutch System (if applicable) Operator Station: • Operator Controls • Seat and Safety Restraints • Cab Components (if applicable) Body And Frame: • Sheet Metal Repair • Frame Inspection and Repair • Fenders and Hood Components Power Take Off: PTO system operation, maintenance, and repair. Hitches And Linkages: Three-point hitch system, draft control, and implement mounting. Instrumentation And Controls: Detailed explanations of all gauges, warning lights, and control functionalities. Procedures Included Maintenance Procedures: • Regular Inspections • Lubrication Points and Schedules • Filter Replacements • Fluid Checks and Changes • General Tune-Up Procedures Repair Procedures: • Component Removal and Installation • Disassembly and Assembly • Adjustment Procedures • Troubleshooting Guides • Torque Specifications • Trouble Codes and Diagnostics Diagnostic Procedures: • Step-by-Step Diagnostic Trees • Troubleshooting Common Problems • Fault Code Interpretation • Testing Electrical Components Troubleshooting Methodology: Systematic approach to diagnosing and resolving operational issues with detailed guidance. Technical Depth Depth Of Information: Comprehensive, from basic maintenance to complete engine and transmission rebuilds. Instructional Style: Easy to follow step-by-step instructions with pictures. 📊 Manual Specifications File Format File Type: Portable Document Format (PDF) Searchability: Typically searchable PDF, allowing quick access to specific information. Print Quality Printable: Yes (individual pages, chapters, or entire manual) Binding Type Binding Type: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Family: IH DT-466 and other International Harvester diesel engines used in these models. Specific engine variants depend on the exact model (e.g., DT-466A, DT-436). Performance Horsepower Range: Typically ranging from approximately 70 HP to over 120 HP, depending on the specific model and engine variant. Torque Specifications: Refer to specific model sections within the manual for precise torque figures for engine components. Fuel System Injection System: Typical for the era: Rotary or Inline Injection Pumps (e.g., Bosch, CAV, or Stanadyne) and direct injection. Fluid Specifications Engine Oil Type: Typically API CD or CE rated diesel engine oil, with viscosity grade depending on ambient temperature (e.g., 15W-40). Coolant Type: Ethylene glycol-based antifreeze with corrosion inhibitors, typically a 50/50 mix with water. Engine Capacity Displacement: Commonly 436 cubic inches (7.15L) for the DT-436 and 466 cubic inches (7.63L) for the DT-466, though variations exist. Engine Type Engine Configuration: Inline 6-cylinder, turbocharged diesel engines. 🔧 Transmission Standard Transmission Type: Hydrostatic Transmission (HST) Features Hst Operation: Infinitely variable speed and direction control via a hydrostatic drive system. Fluid Specifications Transmission Fluid Type: Specialized hydraulic fluid for hydrostatic transmissions (e.g., IH Hy-Trans, or equivalent specified by manual). 📐 Dimensions Weights Operating Weight: Varies significantly by model, generally in the range of 7,000 to 12,000 lbs (3,175 to 5,443 kg) without ballast. Wheelbase: Refer to specific model data within the manual; typical for this class of tractor. 🛡️ Safety Features Active Features Operator Presence Control: Likely includes safety interlocks to prevent operation when the operator is not seated. Passive Features Rollover Protection: ROPS (Roll-Over Protective Structure) may be...