🏷️ Basic Information Identification Make: International Harvester Model: McCormick B-250 / B-275 Product Type: Tractor Product Format: Downloadable PDF Manual Set 👋 Introduction Market Position Target Audience: Owners, mechanics, and restoration specialists of International Harvester McCormick B-250 and B-275 tractors Competitive Analysis Value Proposition: Provides comprehensive repair and parts information to enable DIY repairs, significantly reducing maintenance costs Key Features Digital Convenience: Instant download and email delivery, permanent access, ability to print selectively Completeness: Covers all models, engines, trims, and transmissions; detailed A-Z repair procedures 📋 Manual Details Coverage Areas Manual Set Contents: Includes both Parts Manual and Complete Workshop Service/Repair Manual Page Count Estimated Page Count: Comprehensive (specific page counts not provided in product info, but implied to be extensive) Manual Type Types Included: Parts Manual, Workshop Service Manual, Repair Manual Language Language: English Format Digital Format: PDF Download 📖 Manual Coverage Systems Covered Engine Systems: Engine Overhaul, Fuel System, Ignition System, Lubrication System, Cooling System, Starting System, Exhaust System Transmission Systems: Gearbox, Clutch, PTO (Power Take-Off), Differential, Final Drives Chassis And Suspension: Frame, Front Axle, Steering System, Rear Axle Brake And Clutch Systems: Brakes (Drum/Disc depending on configuration), Clutch Assembly, Clutch Pedal and Linkage Electrical System: Wiring Diagrams, Lighting, Battery, Generator/Alternator, Starter Motor, Ignition Switch, Instrumentation Hydraulic System: Hydraulic Pump, Control Valves, Lift Arm Mechanism, Remote Hydraulics (if applicable) Fuel And Exhaust: Fuel Tank, Fuel Lines, Filters, Injectors, Muffler, Exhaust Piping Body And Fittings: Sheet Metal, Seat, Controls, Fenders, Radiator Shell Procedures Included Maintenance Procedures: Routine Servicing, Lubrication Charts, Filter Changes, Fluid Top-offs, Cooling System Flushes, Air Filter Cleaning/Replacement Repair Procedures: Engine Rebuild, Transmission Overhaul, Clutch Replacement, Brake System Repair, Hydraulic System Troubleshooting and Repair, Electrical System Diagnostics and Repair, Steering System Overhaul Troubleshooting Guides: Diagnostic Flowcharts for Common Problems, Symptom-Based Troubleshooting Parts Identification: Exploded Views, Part Numbers, Assemblies, Component Identification Technical Depth Diagnostic Capabilities: Comprehensive diagnostics for all major systems, including electrical schematics and fuel system testing procedures Rebuild Procedures: Detailed step-by-step instructions for complete engine, transmission, and major component overhauls, including torque specifications and clearances Technical Data: Includes critical technical specifications such as valve clearances, timing marks, compression ratios, fluid capacities, and torque values 📊 Manual Specifications File Format File Type: PDF Print Quality Image Resolution: High Resolution, allowing for clear reproduction of diagrams and text Binding Type Digital Binding: N/A (Downloadable PDF) Paper Type Digital Paper: N/A (Digital Format) Usability Searchability: Likely searchable text within PDF, enabling quick information retrieval Accessibility: Accessible on PC, Mac, tablets, and smartphones with Adobe Reader ⚙️ Engine Specifications Primary Engine Engine Manufacturer And Model: International Harvester (IH) BD Series Diesel Engine (e.g., BD-144, BD-154) Displacement Engine Displacement: Approximately 144-154 cubic inches (2.36 - 2.52 liters) Performance Horsepower Rating: Typically in the 35-45 HP range (exact figures vary by specific model and tune) Torque Rating: Significant low-end torque characteristic of diesel engines of this era Fuel System Fuel Type: Diesel Injection System: Direct Injection, typically Lucas or Simms fuel injection pumps Cooling System Cooling Method: Water Cooled, Thermosiphon with Fan Assist 🔧 Transmission Standard Transmission Gearbox Type: Manual Transmission with constant mesh gears Number Of Speeds: Typically 4 or 8 forward gears and 2 reverse gears (e.g., 4-speed main gearbox with a 2-speed high/low range or creeper gear) Features Pto System: Independent PTO (Power Take-Off) and/or Ground Speed PTO, usually 540 RPM Differential Lock: Differential Lock typically available for enhanced traction 📐 Dimensions Exterior Wheelbase: Varies slightly by model, but generally around 75-80 inches (approx. 190-203 cm) Weights Shipping Weight: Around 3,000-3,500 lbs (approx. 1360-1590 kg) 🛡️ Safety Features Ratings Safety Standards: Designed to meet safety standards of its era; modern safety features like ROPS (Roll-Over Protective Structure) and seatbelts may need to be retrofitted Active Features Braking System: Drum brakes or disc brakes on rear wheels, often with independent braking for each rear wheel. Passive Features Operator Station: Basic operator station with mechanical controls. Seat may or may not have a seatbelt depending on original configuration. 💡 Technology Features Infotainment Operator Interface: Mechanical controls, basic instrumentation (ammeter, oil pressure gauge, temperature gauge, tachometer optional). Driver Assistance Traction Enhancement: Differential lock for improved traction in slippery conditions. Connectivity Power Take Off Pto: Standard feature for driving implements, available in single or dual speed configurations. 🔧 Maintenance Service Intervals Engine Oil Change: Typically every 100-150 operating hours, or annually. Consult specific manual for exact intervals and oil type. Air Filter Service: Check and clean regularly, especially in dusty conditions. Replace as needed. Fuel Filter Replacement: Recommended at regular intervals (e.g., annually or based on hours), critical for diesel engine health. Fluid Specifications Engine Oil Type: Typically SAE 30 or 10W-30/10W-40 Diesel Engine Oil (API CD or higher rating recommended). Check manual for precise specification. Transmission Hydraulic Fluid: IH Hy-Trans or equivalent multi-purpose tractor fluid (UTF). Check manual for correct type and...