🏷️ Basic Information Identification Make: International Harvester (IH) Model: 1456 Model Type: Tractor Product Name: IH International Harvester 1456 Repair Service Manual Codes Manual Format Code: PDF 👋 Introduction Market Position Target User: Tractor owners, mechanics, service technicians, and restoration enthusiasts. Value Proposition: Provides essential technical information for maintaining, repairing, and troubleshooting the IH 1456 tractor, enabling cost-effective upkeep and maximizing operational life. Competitive Analysis Manual Quality: Professional-grade workshop manual, offering a higher level of detail than basic owner's manuals. Key Features Diagnostic Tools: Includes information that would guide the use of specific diagnostic tools and procedures for the era. Part Identification: Likely contains diagrams and descriptions aiding in the identification of service parts, though a dedicated parts catalog would be more comprehensive. 📋 Manual Details Coverage Areas Coverage Scope: All aspects of service, maintenance, and troubleshooting for the IH 1456 Tractor. Page Count Estimated Page Count: Comprehensive (exact page count not specified in product data, but implies a full workshop manual). Manual Type Manual Type: Workshop Repair Service Manual Language Language: English Format Format: Digital Download (PDF) 📖 Manual Coverage Systems Covered Engine Systems: Engine overhaul, fuel system, lubrication system, cooling system, ignition system (if applicable), exhaust system. Drivetrain Systems: Clutch, transmission (gearbox, powershift), differential, final drives, PTO (Power Take-Off). Hydraulic Systems: Hydraulic pump, control valves, cylinders, remote hydraulics, hitch control. Electrical Systems: Wiring diagrams, starter, alternator, battery, lighting, instrument panel. Chassis Systems: Steering, front axle, rear axle, brakes, chassis frame. Operator Station: Controls, instrumentation, seating, safety features. Procedures Included Maintenance Procedures: Lubrication, filter changes, fluid level checks, greasing points, routine inspections. Repair Procedures: Engine rebuild, transmission overhaul, hydraulic system repair, brake service, component replacement. Troubleshooting Guides: Diagnostic charts, symptom-based troubleshooting, common problem identification and solutions. Adjustment Procedures: Clutch adjustment, brake adjustment, PTO engagement, hydraulic control settings. Technical Depth Diagnostic Capabilities: Advanced diagnostics for all major systems, including hydraulic pressure testing and electrical circuit tracing. Rebuild Instructions: Detailed step-by-step instructions for complete engine, transmission, and hydraulic pump rebuilds with specifications. Torquespecifications: Comprehensive list of torque specifications for all critical fasteners across all systems. Clearances: Precise service limits and clearances for engine components, transmission gears, and hydraulic parts. Wiring Diagrams: Detailed electrical wiring schematics for all tractor configurations and options. 📊 Manual Specifications File Format File Type: PDF Searchability: Likely text-searchable PDF for quick information retrieval. Print Quality Print Readability: Optimized for printing, ensuring clear text and diagrams. Binding Type Digital Binding: N/A (Digital download) Paper Type Digital Paper Simulation: N/A (Digital download) ⚙️ Engine Specifications Primary Engine Engine Model: IH DT-466 (Diesel) Engine Type: Inline 6-cylinder, direct-injection, turbocharged diesel Displacement: 466 cubic inches (7.6 Liters) Performance Horsepower Rated: Approximately 115-130 PTO horsepower (depending on specific configuration and year). Torque Rated: Significant torque output, characteristic of the DT-466, crucial for heavy draft work. Fuel System Fuel Injection System: Roosa Master or Simms fuel injection pump (specific to production run). Fuel Type: Diesel Fuel Cooling System Cooling Type: Pressurized liquid cooling system with fan. 🔧 Transmission Standard Transmission Type: IH 16-Speed Power-Shift Transmission (also known as Torque Amplifier or TA) Optional Transmission Options: Standard manual transmission was also an option on some configurations, though less common on the 1456. Features Powershift Operation: Allows on-the-go shifting between gear sets without using the clutch pedal for certain ranges. Transmission Fluid Type: IH HyTran (or equivalent premium tractor hydraulic fluid). 📐 Dimensions Exterior Wheelbase: Approximately 98-104 inches (varies slightly by configuration). Weights Operating Weight: Around 11,000 - 13,000 lbs (5,000 - 5,900 kg), depending on options and ballast. Drawbar Pull Capacity: High, suitable for heavy tillage operations. 🛡️ Safety Features Ratings Rollover Protection: ROPS (Roll-Over Protective Structure) was an optional or dealer-installed feature, crucial for operator safety. Active Features Braking System: Hydraulically actuated, wet disc brakes for reliable stopping power. Passive Features Operator Station Design: Designed for operator comfort and control, with safety guards on PTO and other moving parts. 💡 Technology Features Infotainment Infotainment Features: N/A (Tractor of this era typically lacked modern infotainment systems). Driver Assistance Driver Assistance Features: N/A (Focus on mechanical and hydraulic systems). Connectivity Connectivity Options: N/A 🔧 Maintenance Service Intervals Engine Oil Change: Typically every 100-150 hours of operation (refer to manual for precise interval). Hydraulic Fluid Change: Generally every 500-1000 hours of operation. Fluid Specifications Engine Oil Specification: API CD or CE rated diesel engine oil, viscosity typically 15W-40 or 10W-30 depending on climate. Coolant Type: Ethylene glycol-based antifreeze mixed with distilled water, typically a 50/50 mix. Known Issues Powershift Clutch Wear: Wear on the Power-Shift clutch packs can lead to reduced performance or engagement issues. Manual covers inspection and repair. Hydraulic Pump Wear: Wear on the hydraulic pump can cause slow or weak operation of implement controls and PTO. Troubleshooting and rebuild procedures covered. Diesel Injection Pump Maintenance: Proper adjustment and maintenance of the Roosa Master...