🏷️ Basic Information Identification Make: International Harvester Model: B275 Tractor Product Type: Service Manual / Workshop Manual Product Format: PDF Download 👋 Introduction Market Position Market Segment: Light to medium-duty agricultural tractor Target User: Farmers, agricultural mechanics, restoration enthusiasts Competitive Analysis Key Competitors: Massey Ferguson, Fordson, John Deere, David Brown (of similar era and power) Key Features Traction Aid: Rear-wheel drive, potential for differential lock Power Take Off: Standard rear PTO Three Point Hitch: Standard Category I or II three-point hitch 📋 Manual Details Coverage Areas Manual Type: Workshop Service Manual (WSM) Language: English Coverage Scope: Comprehensive repair and service information Page Count Page Count Estimated: 300-500 pages (typical for WSMs of this era) Format Digital Format: PDF 📖 Manual Coverage Systems Covered Engine Overhaul: Yes (detailed disassembly, assembly, troubleshooting) Fuel System: Yes (carburetor/injection, fuel pump, filters) Cooling System: Yes (radiator, thermostat, water pump, hoses) Lubrication System: Yes (oil pump, oil filter, lubrication passages) Ignition System: Yes (spark plugs, ignition timing, distributor) Transmission Manual: Yes (gearbox, clutch, linkages) Transmission Power Take Off: Yes (PTO operation, gearing, engagement) Drive Axles: Yes (differential, half-shafts, final drives) Steering System: Yes (steering box, linkages, adjustment) Braking System: Yes (drum/disc brakes, master cylinder, linkages) Hydraulic System: Yes (lift system, hydraulics for implements, pump, cylinders) Electrical System: Yes (lighting, starting, charging system, wiring diagrams) Chassis And Frame: Yes (frame inspection, repairs, mounting points) Bodywork And Fenders: Yes (sheet metal repair, mounting, adjustments) Procedures Included Routine Maintenance: Yes (oil changes, filter replacements, greasing, inspections) Troubleshooting Diagnostics: Yes (identification of common problems and diagnostic steps) Component Repair: Yes (detailed step-by-step repair instructions for all major components) Component Rebuild: Yes (engine, transmission, hydraulic pump rebuilds) Adjustment Procedures: Yes (valve lash, clutch free play, brake adjustments, timing) Torquing Specifications: Yes (critical bolt torques for engine, transmission, chassis components) Wiring Diagrams: Yes (detailed electrical schematics) Technical Depth Depth Level: Professional-level service and repair Diagnostics Capability: Advanced troubleshooting and fault finding Rebuild Instructions: Complete rebuild procedures for major assemblies 📊 Manual Specifications File Format File Type: PDF Searchable Text: Likely searchable if digitally created, but could be scanned OCR Print Quality Image Resolution: High-resolution images and diagrams expected Binding Type Binding: N/A (Digital PDF) Paper Type Paper Quality: N/A (Digital PDF) ⚙️ Engine Specifications Primary Engine Engine Manufacturer: International Harvester (likely based on or manufactured by them) Engine Type: Diesel Engine Configuration: Vertical, inline, naturally aspirated Displacement Liters: Approximately 2.6 - 2.9 Liters (based on common IH diesel engines of the period) Cylinders: 3 or 4 cylinders (most likely 3 for B275) Performance Horsepower Rated: Approximately 35-45 PTO HP (actual rated HP varies by source and specific engine tune) Torque Peak: Estimated 100-120 lb-ft (typical for engines of this size and era) Fuel System Fuel Type: Diesel Injection System: Indirect injection (likely CAV or Simms inline injection pump) Cooling System Cooling Method: Water Cooled Lubrication Oil Type Recommendation: SAE 30 or 20W-30 Diesel Engine Oil (API CD or equivalent) Maintenance Oil Capacity Liters: Approximately 5.5 - 6.5 Liters Oil Filter Part Number: Varies by filter manufacturer (e.g., Wix 51515, Baldwin B73, IH Part No. 372008R1) 🔧 Transmission Standard Transmission Type: Manual Gear Configuration: Constant Mesh Number Of Speeds Forward: 8 Forward Speeds Number Of Speeds Reverse: 2 Reverse Speeds Optional Multi Speed Rear Axle: Some models may have had a multi-speed rear axle option for enhanced gearing. Features Clutch Type: Dry, Single Plate Gearbox Oil Type: API GL-4 Gear Oil (e.g., 80W-90 or 85W-140) Gearbox Oil Capacity Liters: Approximately 15-20 Liters (including hydraulic system) 📐 Dimensions Exterior Wheelbase Inches: Approximately 70-75 inches Overall Length Inches: Approximately 120-130 inches Overall Width Inches: Approximately 60-70 inches (track width adjustable) Weights Operating Weight Lbs: Approximately 3500 - 4000 lbs Drawbar Pull Capacity Lbs: Varies significantly based on ballast and tire configuration 💡 Technology Features Infotainment Infotainment System: N/A (Basic tractor controls) Driver Assistance Driver Assistance Features: N/A (No electronic driver aids) Connectivity Connectivity Features: N/A (Mechanical controls only) 🔧 Maintenance Service Intervals Engine Oil Change Interval: Every 100-200 operating hours, or annually Air Filter Cleaning Interval: Check and clean every 50 operating hours, replace as needed Fuel Filter Replacement Interval: Every 200-300 operating hours, or as needed Transmission Oil Change Interval: Every 500-1000 operating hours, or every 2-3 years Greasing Points: Daily/Weekly greasing of pivot points, kingpins, PTO shaft, linkage points Fluid Specifications Hydraulic Fluid Type: Universal Tractor Transmission Oil (UTTO) meeting IH specification (e.g., Hy-Trans Plus or equivalent) or API GL-4 Gear Oil. Hydraulic Fluid Capacity Liters: Approximately 15-20 Liters (shared with transmission and final drives) Known Issues Common Wear Items: Clutch wear, hydraulic pump wear, PTO clutch engagement issues, rear axle seal leaks. Engine Common Faults: Glow plug issues, injector pump wear, piston ring wear leading to blow-by. Electrical System Issues: Aging wiring harness, starter motor reliability, generator/alternator faults. 📚 Vehicle History Brand...