🏷️ Basic Information Identification Make: International Harvester Model: 1256 Product Name: IH International Harvester 1256 Service Repair Manual Product Description: IH International Harvester 1256 Tractor Workshop Repair Service Manual PDF Download 👋 Introduction Market Position Target Audience: Owners, mechanics, technicians, and restoration enthusiasts of the IH 1256 tractor. Value Proposition: Essential resource for maintaining, repairing, and maximizing the lifespan and performance of the IH 1256. Competitive Analysis Completeness Vs Alternatives: Provides a comprehensive alternative to potentially incomplete or outdated physical manuals, with the convenience of digital access. Key Features Accessibility: Instant download allows immediate access to critical service information. Searchability: Enables quick lookup of specific procedures, parts, or troubleshooting steps. 📋 Manual Details Coverage Areas General Coverage: All aspects of service, maintenance, and troubleshooting for the IH International Harvester 1256 Tractor. Page Count Estimated Page Count: Varies by specific edition, but typically extensive for full workshop manuals (e.g., 500+ pages). Manual Type Type: Workshop Repair Service Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine: Detailed disassembly, assembly, testing, and repair procedures for the International Harvester DT361 and DT407 diesel engines. Transmission: Coverage of the International Harvester Power Transfer (PT) and power shift transmissions, including overhaul and adjustment. Hydraulic System: Maintenance, repair, and troubleshooting of the tractor's hydraulic pump, valves, cylinders, and control systems. Steering System: Service and repair for both hydrostatic and mechanical steering components. Brake System: Detailed procedures for servicing and repairing the wet disc brake system. Electrical System: Wiring diagrams, component testing, troubleshooting for starting, charging, lighting, and instrument systems. Cooling System: Maintenance, repair, and testing of the radiator, thermostat, water pump, and fan. Fuel System: Service and adjustment of the fuel injection pump and injectors. Power Take Off (Pto): Repair and maintenance of the independent PTO and drive systems. Hitch System: Service procedures for the three-point hitch, including draft control and position control. Operator Station: Maintenance of cab, controls, seat, and instrumentation. Procedures Included Scheduled Maintenance: Comprehensive guide to routine service intervals and tasks. Troubleshooting: Diagnostic charts and step-by-step procedures for identifying and resolving common and uncommon issues. Disassembly And Assembly: Detailed instructions for taking apart and reassembling all major tractor components and systems. Calibration And Adjustment: Procedures for calibrating and adjusting engine, transmission, hydraulic, and PTO systems. Component Testing: Methods for testing the performance and condition of individual components like fuel injectors, pumps, and electrical parts. Overhaul: Complete overhaul instructions for engines, transmissions, and hydraulic pumps. Technical Depth Diagnostic Capability: Advanced diagnostic procedures, including pressure testing, flow testing, and electrical circuit analysis. Repair Complexity: Covers everything from basic adjustments and fluid changes to complete engine and transmission rebuilds. Specifications Accuracy: Provides precise torque values, clearances, fluid capacities, and performance specifications. 📊 Manual Specifications File Format File Type: PDF Searchability: Typically includes text-searchable capabilities for efficient information retrieval. Viewability: Optimized for viewing on computers, tablets, and smartphones. Print Quality Print Readability: Designed for clear printing of text and diagrams. Binding Type Digital Format: N/A (Digital Download) Paper Type Digital Format: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Model Options: International Harvester DT361 (361 cubic inch) and DT407 (407 cubic inch) naturally aspirated or turbocharged diesel engines. Performance Dt361 Horsepower: Approximately 70-80 PTO horsepower (varies by specific configuration and turbocharging). Dt407 Horsepower: Approximately 85-100 PTO horsepower (varies by specific configuration and turbocharging). Engine Type: Direct Injection, 4-stroke Diesel Fuel System Injection Pump: Roosamaster or similar Bosch-type inline or rotary injection pumps. Fuel Filter Part Number Example: Refer to manual for specific OEM or aftermarket filter numbers (e.g., Wix 33157, Fleetguard FS1240). Lubrication Oil Capacity Quarts: Approximately 12 quarts (11.4 liters) with filter, depending on engine variation. Recommended Oil Viscosity: API CD or CE, SAE 15W-40 for most operating temperatures (refer to manual for specific recommendations). Cooling System Coolant Capacity Gallons: Approximately 20-25 gallons (75-95 liters) including engine block and radiator, depending on configuration. Coolant Type: Conventional Green Ethylene Glycol based coolant (50/50 mix with distilled water recommended). 🔧 Transmission Standard Transmission Type: International Harvester's 7-speed synchronized constant mesh or 8-speed Power Transfer (PT) / Power Shift transmission. Optional Optional Transmission: Synchronized manual transmission was standard on many models, with the Power Transfer (Powershift) an option for increased operational flexibility. Features Powershift Speeds: Typically 8 forward and 8 reverse speeds via a torque converter and planetary gear sets. Transmission Fluid Type: IH Hy-Tran, UTF (Universal Tractor Transmission Fluid), or equivalent approved fluid (refer to manual for specific part numbers and specifications). Transmission Fluid Transmission Fluid Capacity Quarts: Approximately 17-20 quarts (16-19 liters) for the transmission and hydraulic system combined (check manual for exact capacity). 📐 Dimensions Exterior Wheelbase Inches: Approximately 94 inches (2388 mm). Length Inches: Approximately 150 inches (3810 mm). Height To Top Of Exhaust Inches: Approximately 95 inches (2413 mm). Weights Operating Weight Lbs: Approximately 7,000-8,500 lbs (3175-3856 kg)...