🏷️ Basic Information Identification Make: International Harvester Model: 444 Codes Manual Product Name: International Harvester Tractor 444 WSM Service Repair Manual 👋 Introduction Market Position Target User: Tractor owners, mechanics, agricultural workshops Competitive Analysis Value Proposition: Empowers users to perform their own repairs, saving significant costs compared to professional service. Key Features Ease Of Use: Easy-to-follow step-by-step instructions with clear illustrations. Completeness: Comprehensive coverage of all service and repair jobs, including routine maintenance. Accessibility: Printable pages for convenient use in the workshop, digital storage to prevent damage. 📋 Manual Details Coverage Areas Primary Coverage: Service, Repair, Maintenance Secondary Coverage: Troubleshooting, Wiring Diagrams Page Count Estimated Page Count: Likely 500+ pages, typical for a WSM Manual Type Type: Workshop Service Manual (WSM) Language Language: English Format Delivery Format: PDF Download 📖 Manual Coverage Systems Covered Engine: Detailed overhaul, troubleshooting, fuel system, cooling system, lubrication system Transmission: Gearbox, clutch, PTO (Power Take-Off) systems, differential Hydraulics: Hydraulic pump, control valves, cylinders, linkage, system troubleshooting Electrical System: Wiring diagrams, starter, alternator, battery, lighting, instrumentation Steering And Brakes: Steering assembly, brake system components, adjustments, and repair Chassis And Body: Front axle, rear axle, hitch system, frame, operator's platform Procedures Included Maintenance: Routine service, lubrication, filter changes, fluid checks and replacements Troubleshooting: System-specific diagnostic charts, symptom-to-cause analysis Repair Overhaul: Step-by-step instructions for component disassembly, repair, reassembly, and calibration Wiring Diagrams: Comprehensive electrical schematics for all systems Technical Depth Depth: In-depth, professional-level repair and diagnostic information 📊 Manual Specifications File Format Format: PDF Print Quality Printability: Full Printable Binding Type Binding: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) Software Requirements Reader Requirement: Adobe PDF Reader Compatibility Operating Systems: Compatible with All Versions of Windows & Mac Delivery Delivery Method: Instant Download ⚙️ Engine Specifications Primary Engine Engine Family: International Harvester BD Series Diesel Engine Type: Direct Injection, Naturally Aspirated Diesel Cylinder Configuration: Typically 3 or 4 cylinders depending on specific 444 variant Performance Horsepower Range: Approx. 45-55 PTO HP (specific rating varies by engine option and year) Torque Range: Refer to manual for specific torque figures Fuel System Fuel Type: Diesel Injection System: Inline injection pump (e.g., CAV, Roosa Master) 🔧 Transmission Standard Transmission Type: Constant Mesh Gearbox Gear Selection: Multiple forward gears (e.g., 8-speed) and 2 reverse gears Clutch: Dual-stage clutch (live PTO operation on some models) Features Pto: Standard 540 RPM PTO (potentially 1000 RPM option available) Differential Lock: Foot-operated differential lock typically featured 📐 Dimensions Exterior Wheelbase: Refer to manual for specific wheelbase; approx. 80-84 inches Weights Operating Weight: Approx. 4500-5500 lbs (unspecified configuration) Towing Capacity: Refer to manual for specific towing limitations 🛡️ Safety Features Ratings Roll Over Protection: ROPS (Roll Over Protective Structure) often available as an option or aftermarket Active Features Brakes: Hydraulic disc or drum brakes depending on configuration Passive Features Operator Station: Open station design; seatbelts recommended for operator safety 💡 Technology Features Infotainment Dashboard Features: Basic instrumentation including ammeter, oil pressure gauge, temperature gauge, and tachometer/hour meter. Driver Assistance Traction Control: Differential lock provides basic traction assistance. 🔧 Maintenance Service Intervals Engine Oil Change: Typically every 100-250 operating hours; refer to manual for exact interval and oil type. Fuel Filter Replacement: Regular replacement recommended, especially with fuel quality variations. Hydraulic Fluid Change: Typically every 500-1000 operating hours; filter replacement crucial. Fluid Specifications Engine Oil: SAE 30 or 10W-30 Diesel Engine Oil (API CD or higher); refer to manual for exact specification. Hydraulic Fluid: IH Hy-Tran fluid or equivalent UTF (Universal Tractor Transmission Fluid); refer to manual for specific type and viscosity. Transmission Fluid: Refer to manual; often shares hydraulic fluid or requires specific gear oil for gearbox. Known Issues Engine Starting: Glow plug system issues, fuel injection pump wear, or compression loss can affect cold starts. Hydraulic Leaks: Common due to aging seals and hoses in the hydraulic system. Clutch Wear: Wear on clutch components can lead to slipping or difficulty engaging gears. Electrical Connections: Corrosion and loose connections in wiring harness can cause intermittent electrical faults. 📚 Vehicle History Brand Heritage Manufacturer: International Harvester (IH), a major American manufacturer of agricultural and industrial machinery. Model Evolution Series Placement: Part of the IH '44' series utility tractors, known for their versatility and robustness. Production Production Period: Produced from approximately the mid-1960s to the early 1970s. 🏆 Awards & Recognition Recognitions Reputation: Known for reliability and durability in agricultural applications of its era.