🏷️ Basic Information Identification Make: International Harvester Model: B275 Product Type: Factory Service Repair Manual 👋 Introduction Market Position Market Segment: Agricultural Tractors, Light Industrial Tractors Target Audience: Farmers, agricultural mechanics, restoration enthusiasts, tractor collectors. Competitive Analysis Key Competitors: Massey Ferguson, John Deere, Fordson, Ferguson TE20 series, David Brown. Key Features Durability: Known for robust construction and reliable performance in demanding agricultural environments. Versatility: Adaptable for a wide range of farm tasks, from plowing and cultivating to mowing and transport. 📋 Manual Details Coverage Areas Systems Covered: Engine, Fuel System, Cooling System, Lubrication System, Electrical System, Clutch, Transmission, Rear Axle, Power Take-Off (PTO), Steering System, Brakes, Hydraulics, Front Axle, Sheet Metal, Body, Schematics, Troubleshooting Page Count Page Count: 500+ Manual Type Manual Type: Factory Service Repair Manual Language Language: English Format Format: Digital (PDF) 📖 Manual Coverage Systems Covered Engine Disassembly And Assembly: Comprehensive procedures for engine teardown, inspection, repair, and reassembly, including piston, ring, connecting rod, crankshaft, camshaft, cylinder head, and valve train servicing. Fuel System Servicing: Detailed information on fuel pump, carburetor/injection pump (if applicable), fuel filter replacement, and fuel line troubleshooting. Cooling System Maintenance: Radiator service, water pump repair, thermostat replacement, and coolant specifications. Lubrication System Overhaul: Oil pump inspection, oil filter replacement, and oil specification details. Electrical System Diagnostics: Wiring diagrams, starter motor, alternator, battery service, ignition system troubleshooting, and lighting system repair. Clutch And Transmission Repair: Clutch assembly service, gearbox disassembly and reassembly, gear synchronization, and transmission fluid specifications. Rear Axle And Differential: Axle housing inspection, differential overhaul, and axle shaft service. Pto Operation And Repair: Power Take-Off engagement, disengagement, and repair procedures. Steering System Adjustment And Repair: Steering linkage, steering gearbox, and related component service. Brake System Overhaul: Brake pedal, master cylinder, wheel cylinders, and brake shoe/pad replacement. Hydraulic System Troubleshooting: Hydraulic pump, control valve, cylinder, and hydraulic fluid specifications. Front Axle And Steering Geometry: Front axle assembly, kingpins, tie rods, and wheel alignment. Sheet Metal And Bodywork: Fender, hood, grille, and mounting hardware procedures. Procedures Included Routine Maintenance: Oil changes, filter replacements, lubrication, fluid checks, and general inspection procedures. Troubleshooting Guides: Diagnostic charts and step-by-step procedures for identifying and resolving common mechanical and electrical issues. Major Component Rebuilds: Detailed instructions for complete overhauls of engines, transmissions, and hydraulic systems. Part Replacement: Specific guidance for replacing various components across all systems. Adjustments And Calibration: Procedures for adjusting clutch, brakes, steering, and hydraulic controls. Electrical Schematics Interpretation: Clear and detailed wiring diagrams for tracing electrical circuits and diagnosing faults. Technical Depth Technical Depth: Comprehensive, ranging from basic maintenance to complete engine and transmission rebuilds. Includes detailed torque specifications, tolerances, and diagnostic procedures. 📊 Manual Specifications File Format File Format: PDF Searchable Text: Yes Printable: Yes Print Quality Print Quality: High-resolution scans suitable for printing. Binding Type Binding Type: N/A (Digital Format) Paper Type Paper Type: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine Engine Manufacturer: International Harvester Engine Model: BD-144 / BD-154 (variants exist) Engine Type: 4-cylinder, Indirect Injection, Diesel Bore: 3.50 inches (88.9 mm) Stroke: 3.75 inches (95.25 mm) Displacement: 144 cubic inches (2.36 liters) / 154 cubic inches (2.52 liters) Compression Ratio: Approx. 20:1 Performance Horsepower Rating Drawbar: Approx. 30-35 HP (Drawbar) Horsepower Rating Pto: Approx. 35-40 HP (PTO) Torque Output: Significant torque for its class, optimized for pulling power. Fuel System Fuel Type: Diesel Fuel Injection System: Rotary or In-line injection pump (e.g., CAV, Simms, or Bosch depending on region/spec). Fuel Filter Type: Spin-on diesel filter, often with a water separator. 🔧 Transmission Standard Transmission Type: Manual, constant mesh gearbox Number Of Speeds Forward: 8-speed (typically) Number Of Speeds Reverse: 2-speed (typically) Clutch Type: Single dry plate, diaphragm spring (typical) Optional Optional Features: Some models may have had partial-power shift or creeper gear options in certain markets, but the standard was a direct-shift gearbox. Features Gear Selection: Central shifter for main gears, possibly a range selector. Transmission Fluid Type: API GL-4 or equivalent multi-purpose tractor oil (e.g., SAE 90, or UTTO if specified for hydraulic functions). 📐 Dimensions Exterior Wheelbase: Approx. 76 inches (1930 mm) Overall Length: Approx. 120 inches (3050 mm) Overall Width: Approx. 66 inches (1676 mm) at rear wheels Height To Top Of Steering Wheel: Approx. 58 inches (1473 mm) Weights Shipping Weight: Approx. 3200 lbs (1450 kg) Operating Weight: Can exceed 4000 lbs (1814 kg) with fluids and basic implements. 🛡️ Safety Features Ratings Safety Standards: Designed to meet agricultural safety standards of its era. Modern ROPS (Roll-Over Protective Structure) and seat belts may have been optional or retrofitted. Active Features Braking System: Drum brakes, acting mechanically on rear wheels. Some models may have featured independent rear brake pedals for tighter turns. Lighting: Headlights, tail lights, and brake lights (where equipped). Passive Features Operator Station: Open station design, requires operator caution. Seat typically basic suspension. 💡 Technology Features...