🏷️ Basic Information Identification Make: International Harvester Model: B275 Model Type: Tractor 👋 Introduction Market Position Category: Utility Tractor Target Audience: Farmers, agricultural operations, tractor enthusiasts, and maintenance professionals. Competitive Analysis Comparison: Competed with similar-era tractors from brands like Ferguson, Fordson, Massey Ferguson, and John Deere in the utility class. Key Features Utility: Designed for versatile farm work, including plowing, tilling, mowing, and transport. Durability: Known for robust construction and reliability typical of International Harvester agricultural equipment. 📋 Manual Details Coverage Areas Manual Type: Workshop Service Repair Manual Language: English Format: Likely Print or Digital PDF Page Count Count: Estimate: Likely 200-500 pages, typical for a comprehensive workshop manual covering all systems. 📖 Manual Coverage Systems Covered Engine: Complete overhaul, tuning, fuel system, lubrication, cooling system, starting and charging. Transmission: Gearbox, clutch, power take-off (PTO) operation and repair. Hydraulics: Hydraulic lift system, pump, control valves, cylinders, and associated plumbing. Electrical: Wiring diagrams, starter, alternator/generator, battery, lighting, and instrumentation. Steering: Steering box, linkages, and adjustments. Brakes: Brake system components, adjustment, and repair. Chassis And Body: Frame, axle components, fenders, seat, and front grille. Procedures Included Maintenance: Regular servicing, lubrication points, filter changes, fluid top-ups. Troubleshooting: Diagnostic charts for common problems and their solutions across all systems. Repair: Step-by-step instructions for disassembly, repair, and reassembly of all major components. Adjustment: Detailed procedures for adjusting clutch, brakes, governor, and linkage systems. Overhaul: Comprehensive instructions for complete engine, transmission, and hydraulic system overhauls. Technical Depth Depth: Comprehensive, covering detailed repair and overhaul procedures suitable for professional mechanics and experienced DIY users. Manual Type Clarification Type: Service/Repair Manual, distinct from an owner's manual or parts catalog, providing in-depth technical information for maintenance and repair. 📊 Manual Specifications File Format Format: Likely PDF, enabling searchability and digital access. Print Quality Quality: Expected to contain clear diagrams, schematics, and text. Binding Type Binding: If printed, likely spiral-bound or comb-bound for lay-flat use in a workshop environment. Paper Type Paper: If printed, typically durable paper stock suitable for workshop conditions. ⚙️ Engine Specifications Primary Engine Engine Family: BD-Series Diesel Engine Type: 4-Cylinder Diesel Displacement: Approximately 2.5 - 2.7 Liters (specific variant dependent) Performance Horsepower Drawbar: Estimated 30-35 HP (Drawbar) Horsepower Belt: Estimated 35-40 HP (Belt) Fuel System Fuel Type: Diesel Injection System: Typically CAV or similar indirect injection system. Cooling System Type: Water-cooled Lubrication System Oil Type: Refer to manual for specific SAE viscosity grades (e.g., SAE 30, 10W-30) and API classifications for diesel engines of the era. Governor Type: Variable speed governor for engine RPM control. 🔧 Transmission Standard Type: Manual Sliding Gear Transmission Speeds: Typically 8 forward and 2 reverse speeds (e.g., 4 ranges x 2 gears per range). Features Power Take Off: Standard PTO with multiple speeds (e.g., 540 RPM). Differential Lock: Yes, mechanical engagement. Clutch: Single dry plate clutch. 📐 Dimensions Exterior Wheelbase: Varies by configuration, typically around 70-80 inches. Weights Operating Weight: Approximately 3,500 - 4,000 lbs (1588 - 1814 kg). Tires Front Size: Commonly 6.00-16 Tires Rear Size: Commonly 11.2-28 or 12.4-28 🛡️ Safety Features Ratings Rollover Protection: ROPS (Rollover Protective Structure) not standard on original production; often a dealer or aftermarket fitment. Manual would cover installation and maintenance of such structures if provided. Active Features Braking System: Mechanical drum brakes (rear wheels), external contracting type for park brake. Passive Features Operator Station: Open operator station, with hand controls and foot pedals. 💡 Technology Features Infotainment Features: Basic instrumentation: Ammeter, oil pressure gauge, temperature gauge, tachometer (engine RPM). Driver Assistance Features: None in the modern sense. Basic safety features include brakes and lighting. Connectivity Features: No electronic connectivity or communication features. 🔧 Maintenance Service Intervals Engine Oil Change: Typically every 100-200 operating hours or annually, depending on usage and oil specifications. Fuel Filter Change: As recommended, often with oil changes or when issues arise. Air Filter Service: Check and clean frequently, replace as needed, especially in dusty conditions. Coolant Change: Typically every 1-2 years to maintain anti-corrosion properties. Fluid Specifications Engine Oil Capacity: Refer to manual, typically around 5-6 quarts (4.7-5.7 liters). Transmission Hydraulic Fluid: Specific IH Hy-Trans or equivalent multi-purpose tractor fluid required for transmission, differential, and hydraulic system. Coolant Type: Ethylene glycol based antifreeze with corrosion inhibitors, mixed with distilled water. Known Issues Engine: Potential for injector pump wear, exhaust leaks, and glow plug reliability (depending on starting system). Oil leaks at seals and gaskets are common with age. Transmission Hydraulic: Hydraulic lift issues (slow operation, loss of power) due to worn pumps or cylinders, or fluid contamination. Clutch wear and PTO engagement problems. Electrical: Wiring harness degradation, starter/generator issues due to age and wear. Cooling System: Radiator core degradation, thermostat sticking, and water pump seal leaks. 📚 Vehicle History Brand Heritage Manufacturer: International Harvester (IH), a major American manufacturer of agricultural and construction machinery. Model Evolution Predecessors: Part of...