🏷️ Basic Information Identification Make: International Harvester (IH) Model: Farmall 504 Brand Alias: Farmall Product Type: Tractor 👋 Introduction Market Position Tractor Segment: Mid-size utility tractor, popular in agricultural and industrial applications during its production era. Competitive Analysis Historical Competitors: Competed with models from John Deere, Ford, Massey Ferguson, and Allis-Chalmers of similar size and horsepower. Key Features Versatility: Known for its versatility with various engine options (gasoline, diesel, LP gas) and a wide range of implement compatibility. Manual Value Proposition: Provides essential knowledge for owners to maintain, operate, and repair their tractor, reducing reliance on external service and lowering costs. 📋 Manual Details Coverage Areas Manual Set Description: Combined Operator's Manual and Service/Repair Manual Page Count Estimated Page Count: Likely 300-600+ pages combined, based on typical comprehensive IH manuals. Manual Type Operator Manual: True Service Repair Manual: True Language Language: English Format Digital Format: Zipped PDF 📖 Manual Coverage Systems Covered Engine Maintenance Repair: Full coverage including Carburetor, Cooling System, Diesel Fuel System, LP-Gas System, Engine Overhaul. Drivetrain Transmission: Comprehensive coverage of Transmission Overhaul, Torque Amplifier, Direction Reverser, Final Drive, Differential. Hydraulics Power Systems: Detailed sections on Hydraulic System, Power Steering System, Power Takeoff (PTO), Belt Pulley operation and maintenance. Braking Steering: In-depth information on Brakes and Steering Gear systems. Operator Controls Instruments: Full details on Instruments and Controls, daily operation preparation. Front System Steering: Coverage of the front axle, steering linkage, and steering gear maintenance. Governor System: Details on the mechanical governor (non-diesel) for engine speed control. Torque Amplifier Overhaul: Detailed overhaul procedures for the Torque Amplifier unit, including clutch pack and engagement mechanisms. Procedures Included Routine Maintenance: Covers preparing for work, lubrication schedules, fluid specifications, and cold weather precautions. Troubleshooting Diagnostics: Includes troubleshooting sections for common issues and diagnostic procedures. Component Overhaul Rebuild: Detailed step-by-step overhaul procedures for major components like the engine, transmission, and hydraulics. Hitching Implement Operation: Instructions on hitching implements, operating the three-point hitch, PTO, and belt pulley. Wheel Tire Management: Information on wheels, weights, and pneumatic tires. Starting Lighting: Instructions for starting system and lighting equipment. Tractor Storage: Guidelines for storing and housing the tractor during off-seasons. Technical Depth Depth Of Coverage: Comprehensive, covering basic operation to detailed shop-level repair and overhaul. Service Data Specs: Includes vital service data, torque specifications, and general specifications for maintenance and repair. 📊 Manual Specifications File Format PDF Features: Searchable text, bookmarks, index, improved quality, zoomable, printable. Print Quality Print Readability: High quality for clear diagrams and text, suitable for printing sections or full manuals. Binding Type Digital Binding: N/A (Digital Download) Paper Type Digital Paper: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Options: Available with gasoline, diesel, and LP-Gas engine variants. Specific engine models may vary (e.g., IH C-263 for diesel). Gasoline Engine: Typically IH 221 or 264 cubic inch displacement gasoline engine. Diesel Engine: Often IH C-263 or similar displacement diesel engine. Performance Horsepower Range: Typically in the 50-60 engine horsepower range, with varying PTO horsepower depending on engine option. Fuel System Carburetor Type: Zenith or Marvel-Schebler for gasoline/LP-Gas models. Diesel Injection: Details on Roosa Master or similar injection pumps for diesel variants. 🔧 Transmission Standard Transmission Type: Typically a constant mesh, sliding gear transmission, often with a 5 or 8-speed configuration. Optional Torque Amplifier: Optional Torque Amplifier (TA) providing a low range for increased torque and reduced speed, effectively doubling gear ratios. Features Direction Reverser: Some models may have had an optional or integrated direction reverser for forward/reverse shuttle operation. Gear Selection: Manual gear selection for forward and reverse speeds via shift levers. 📐 Dimensions Exterior Wheelbase: Approximately 84 inches (2134 mm) for standard tread models. Length: Approximate length around 130 inches (3302 mm) without implements. Weights Operating Weight: Around 4,500 - 5,500 lbs (2041 - 2495 kg) without ballast. 🛡️ Safety Features Ratings Operator Safety: Focus on safe operating practices, hazard identification, and proper use of controls within the operator's manual. Active Features Braking System: Usually features internal expanding shoe or disc brakes operated by foot pedals, often with differential braking capability. Passive Features Operator Station: Open operator station design; Roll-over protective structures (ROPS) were optional or field-installed. 💡 Technology Features Infotainment Operator Interface: Basic operator interface with mechanical levers and gauges. No digital infotainment systems. Driver Assistance Assistance Features: No modern driver assistance systems. Manual steering and braking. Connectivity Connection Capabilities: N/A 🔧 Maintenance Service Intervals Engine Oil Change: Typically every 50-100 operating hours, or annually, depending on usage and engine type. Grease Points: Daily or weekly greasing of various pivot points, linkages, and PTO shafts is critical. Fluid Specifications Engine Oil Type: API CD or CE rated diesel engine oil (e.g., SAE 30 or 15W-40) for diesel, and SAE 10W-30 or 30 for gasoline/LP-gas, refer to manual for exact specs. Hydraulic Fluid: IH Hytran or equivalent UTF (Universal Tractor...