The International Harvester B414 is a versatile agricultural tractor, produced circa 1961-1968, known for its robust and practical design characteristic of mid-20th-century machinery. As part of IH's British-built range, it was engineered for a variety of farm tasks, succeeding earlier B-series models. This model features a 4-cylinder BD Series Diesel engine with a displacement of 3.138 liters, delivering approximately 45-50 HP gross. Its constant mesh manual transmission offers 8 forward and 2 reverse gears, complemented by a 540 RPM Power Take-Off (PTO) and a foot-operated differential lock. The B414 embodies the reliability and utility that made International Harvester a respected name in agricultural equipment. This Service and Repair Manual provides comprehensive guidance for maintaining and repairing the International Harvester B414 tractor. It covers essential systems including the engine, transmission, hydraulics, electrical system, front and rear axles, steering, brakes, fuel system, cooling system, and exhaust system. Detailed procedures for engine overhaul, transmission and gearbox repair, hydraulic system service, and electrical system diagnostics are included. The manual also offers information on scheduled maintenance, troubleshooting guides, component replacement, and adjustments. Written in English and presented in PDF format, this manual is designed to be an in-depth resource for farm owners, mechanics, and restoration enthusiasts. 🏷️ Basic Information Identification Make: International Harvester Model: B414 Product Type: Service Repair Manual 👋 Introduction Market Position Category: Agricultural Tractors Target User: Farm owners, mechanics, restoration enthusiasts. Competitive Analysis Competitors: Massey Ferguson, Fordson, John Deere, David Brown tractors of similar era. Key Features Utility: Versatile tractor suitable for a range of agricultural tasks. Design Era: Robust, practical design characteristic of mid-20th-century agricultural machinery. 📋 Manual Details Coverage Areas Engine: Yes Transmission: Yes Hydraulics: Yes Electrical System: Yes Frontend And Rear Axles: Yes Steering: Yes Brakes: Yes Body And Chassis: Yes Fuel System: Yes Cooling System: Yes Exhaust System: Yes Troubleshooting: Yes Page Count Estimated Pages: Varies by specific edition, typically 200-400 pages for comprehensive manuals Manual Type Type: Service and Repair Manual Language Language: English Format Format: PDF 📖 Manual Coverage Systems Covered Engine Overhaul: Detailed procedures for engine disassembly, inspection, repair, and reassembly. Transmission And Gearbox: Complete repair and adjustment procedures for all transmission components. Hydraulic System: Information on the tractor's hydraulic lift system, pumps, valves, and cylinders. Electrical Schematics: Wiring diagrams and troubleshooting for the starter, charging system, lighting, and instrumentation. Steering Mechanism: Diagnosis and repair of the steering box and linkage. Braking System: Service and adjustment of the mechanical or hydraulic braking system. Fuel Delivery: Maintenance and repair of the fuel tank, lines, filters, and injection pump (if applicable). Cooling System Service: Radiator, fan, water pump, and thermostat maintenance. Procedures Included Scheduled Maintenance: Oil changes, filter replacements, lubrication points, and general tune-up procedures. Troubleshooting Guides: Systematic approach to identifying and resolving common and uncommon operational problems. Rebuild Instructions: Comprehensive step-by-step guides for rebuilding major components like the engine, transmission, and hydraulics. Component Replacement: Instructions for replacing parts such as clutch, starter, alternator, water pump, and lift arms. Adjustments And Settings: Proper setting of valve clearances, clutch free play, brake adjustments, and PTO engagement. Technical Depth Detail Level: In-depth, suitable for professional mechanics and experienced DIY users. Diagnostic Capabilities: Includes diagnostic procedures and common fault identification. 📊 Manual Specifications File Format Digital Format: PDF (Portable Document Format) Searchability: Typically includes searchable text for quick information retrieval. Print Quality Readability: High-resolution scans ensuring clear text and diagrams. Binding Type Digital Binding: N/A (Digital format) Paper Type Digital Paper Type: N/A (Digital format) ⚙️ Engine Specifications Primary Engine Engine Family: BD Series Diesel Engine Type: Vertical, Water-Cooled, Four-Stroke Diesel Number Of Cylinders: 4 Bore: 3.4375 in (87.3 mm) Stroke: 4.125 in (104.8 mm) Displacement: 3.138 Liters (191.5 cu. in.) Compression Ratio: Approx. 17.5:1 Performance Rated Engine Hp: Approx. 45-50 HP (gross) Rated Pto Hp: Approx. 39 HP Rated Drawbar Hp: Approx. 33 HP Peak Torque: Varies by engine variant and tuning, typically around 120-130 lb-ft Fuel System Fuel Type: Diesel Injection System: Direct Injection, typically Bosch inline injection pump Fuel Filter Part Numbers: Refer to manual for specific OEM or aftermarket part numbers (e.g., Fram, Wix). 🔧 Transmission Standard Gearbox Type: Constant Mesh Manual Transmission Number Of Gears Forward: 8 Number Of Gears Reverse: 2 Features Power Take Off Pto: 540 RPM PTO standard, optional 540/1000 RPM. Clutch: Single or Dual-Stage Clutch (depending on configuration for PTO operation) Differential Lock: Yes, foot-operated differential lock. Transmission Oil Type: API GL-4 SAE 80W/90 Gear Oil. Refer to manual for specific capacity. 📐 Dimensions Exterior Wheelbase: Approx. 76 inches (1930 mm) Length: Approx. 120-130 inches (3050-3300 mm) depending on hitch and configuration. Width: Approx. 65-70 inches (1650-1780 mm) at rear wheels. Height To Exhaust: Approx. 60-65 inches (1525-1650 mm) Weights Operating Weight: Approx. 3500-4000 lbs (1590-1815 kg) Max Towing Capacity: Varies significantly based on drawbar, ballast, and conditions. Refer to tractor...