🏷️ Basic Information Identification Make: International Harvester (IH) Model: 1456 Product Type: Service Repair Workshop Manual Codes Internal Model Code: Not specified in product data 👋 Introduction Market Position Target Audience: Professional mechanics, farm equipment technicians, and serious tractor owners/restorers. Value Proposition: Provides essential technical information for maintaining, diagnosing, and repairing the IH 1456 tractor, maximizing uptime and preserving value. Competitive Analysis Comparison To Alternatives: A dedicated service manual offers superior depth and accuracy compared to general repair guides or online forums. Key Features Features: Contains official IH service procedures, diagrams, and specifications. 📋 Manual Details Coverage Areas Areas Covered: Full service and repair instructions for IH 1456 Tractor Page Count Page Count: Estimated to be substantial, typical for a comprehensive service manual (specific number not provided) Manual Type Manual Type: Service Repair Workshop Manual Language Language: English Format Format: Likely print or PDF (specific format not provided) 📖 Manual Coverage Systems Covered Engine System: Detailed repair and overhaul procedures for the specified IH diesel engine. Transmission System: Coverage of transmission components, operation, maintenance, and repair. Hydraulic System: Information on the tractor's hydraulic system, including pumps, valves, and cylinders. Electrical System: Diagnosis and repair of the tractor's electrical system, including wiring diagrams. Powertrain: Includes final drives, differentials, and PTO components. Chassis And Suspension: Maintenance and repair of steering, brakes, and front axle components. Operator Station: Procedures related to the operator's console, controls, and comfort features. Procedures Included Preventative Maintenance: Scheduled maintenance tasks, lubrication charts, and inspection points. Diagnostic Procedures: Troubleshooting guides for identifying and resolving common problems. Repair And Rebuild: Step-by-step instructions for component disassembly, repair, and reassembly. Adjustment Procedures: Calibration and adjustment specifications for various systems. Torque Specifications: Precise torque values for critical fasteners. Technical Depth Depth Of Coverage: Comprehensive, suitable for professional mechanics and experienced users. Diagnostic Capabilities: Advanced diagnostic information for troubleshooting complex issues. Rebuild Instructions: Detailed rebuild procedures for major components like the engine and transmission. 📊 Manual Specifications File Format File Format: If digital, typically PDF; if print, bound document. Print Quality Print Quality: Professional, with clear diagrams and legible text (assumed for service manuals). Binding Type Binding Type: If printed, typically spiral-bound or perfect-bound for durability in a workshop environment. Paper Type Paper Type: If printed, durable, often glossy or coated paper to resist oil and dirt. ⚙️ Engine Specifications Primary Engine Engine Model: IH DT-407 Diesel (Commonly found in 1456) Engine Type: 6-cylinder, naturally aspirated, direct injection diesel Displacement: 407 cubic inches (6.67 Liters) Performance Horsepower Rating: Approximately 107 PTO horsepower (varies slightly based on final spec) Torque Rating: Approximate peak torque around 250-260 lb-ft (specific rating varies) Fuel System Fuel Injection System: Bosch inline injection pump (typical) Fuel Type: Diesel Fuel Cooling System Cooling Type: Water-cooled Lubrication System Oil Type: API CD or CE rated diesel engine oil, SAE 15W-40 recommended for most conditions (refer to manual for specific ranges) Engine Components Cylinder Head Design: Overhead Valve (OHV) 🔧 Transmission Standard Transmission Type: 16-speed Power Shift (2WD and MFWD configurations) Optional Optional Transmission: Not commonly specified as optional for the 1456, Power Shift was the signature transmission. Features Powershift Operation: Electro-hydraulic control of gear changes without clutching. Fluid Specifications Transmission Hydraulic Fluid: IH Hy-Tran fluid (or equivalent UTF - Universal Tractor Transmission Fluid) is typically specified for powershift transmissions and hydraulics. Gear Ratios Gear Ratios: Detailed gear ratios for all 16 forward and reverse speeds available in the manual. 📐 Dimensions Exterior Wheelbase: Approximately 104 inches (264 cm) for 2WD models. Length: Around 150 inches (381 cm) overall length (without implements). Width: Varies by rear tire size, but typically around 70-80 inches (178-203 cm) at the rear axle. Weights Operating Weight: Around 10,000 - 11,500 lbs (4,535 - 5,216 kg) depending on configuration. Drawbar Horsepower: Typically rated around 90-95 HP at the drawbar. Towing Capacity: Not officially rated by a single number, but designed for heavy farm implement towing. 🛡️ Safety Features Ratings Rollover Protection: ROPS (Roll Over Protective Structure) was optional or field-installed on many tractors of this era; certified ROPS is recommended for safety. Active Features Braking System: Hydraulic disc brakes (inboard dry discs often). Passive Features Seatbelt: If equipped with a certified ROPS, a seatbelt is a critical safety feature. 💡 Technology Features Infotainment Infotainment System: Not applicable to this era of tractor; basic controls and gauges. Driver Assistance Driver Assistance Features: None (primitive for modern standards). Connectivity Connectivity Features: None. 🔧 Maintenance Service Intervals Engine Oil Change: Typically every 250 operating hours (refer to manual for exact hours and conditions). Fuel Filter Replacement: Recommended at engine oil change intervals or as needed based on fuel quality. Air Filter Cleaning: Check and clean pre-cleaner and element frequently, depending on operating conditions (e.g., every 100 hours). Fluid Specifications Engine Oil Capacity: Approximately 10-12 quarts (9.5-11.4 Liters) with filter change. Hydraulic...