🏷️ Basic Information Identification Make: International Harvester Model: 444 Tractor Manual Product Name: International Harvester 444 Tractor WSM Service Manual PDF Download Codes Manual Type Identifier: WSM (Workshop Service Manual) 👋 Introduction Market Position Target Audience: Tractor owners, farmers, mechanics, and agricultural maintenance professionals seeking to perform their own repairs. Competitive Analysis Value Proposition: Provides significant cost savings by enabling DIY repairs, empowering users with knowledge and reducing reliance on expensive professional services. Key Features Ease Of Use: Features 'very easy to follow step-by-step instructions' designed to make repairs accessible. Information Access: Instant download and printable pages for convenient use in a garage or workshop environment. Knowledge Enhancement: Aims to keep users 'up-to-date and more knowledge' about their tractor's workings. 📋 Manual Details Coverage Areas General Coverage: Comprehensive service, repair, and maintenance for the International Harvester 444 Tractor. Page Count Estimated Page Count: Detailed page count not specified, but described as 'in depth' and 'full'. Manual Type Manual Format Type: Service Repair Manual / Workshop Manual Language Language: English Format Digital Format: PDF Download 📖 Manual Coverage Systems Covered Engine System: Engine overhaul, fuel system, cooling system, lubrication system, ignition (if applicable to diesel), starting and charging. Transmission System: Clutch, gearbox, differential, final drives, power take-off (PTO). Hydraulic System: Hydraulic pump, control valves, lift arms, remote hydraulics (if equipped). Electrical System: Wiring diagrams, lighting, starting and charging circuits, instrument panel. Steering System: Steering mechanism, linkage, power steering components (if equipped). Braking System: Brake pedal, brake linkages, band brakes or disc brakes (depending on configuration). Chassis And Frame: Frame inspection and repair, axle assemblies. Operator Station: Seat, controls, dashboard layout, safety features. Procedures Included Maintenance Procedures: Routine checks, lubrication schedules, filter replacements, fluid changes. Troubleshooting Procedures: Diagnostic guides for common problems and their solutions. Repair Procedures: Step-by-step instructions for component disassembly, repair, and reassembly. Engine Repair: Piston, ring, valve, and cylinder head service; crankshaft and bearing inspection. Transmission Repair: Gearbox disassembly, synchronizer service, PTO engagement repair. Hydraulic Repair: Pump seal replacement, valve spool service, cylinder resealing. Electrical Repair: Wiring harness repair, starter motor and alternator testing, switch replacement. Technical Depth Diagnostic Capability: Covers basic to advanced diagnostics with clear step-by-step instructions. Rebuild Procedures: Detailed instructions for complete engine, transmission, and hydraulic system rebuilds. Illustrations: Includes pictures and wiring diagrams for all areas of repair. 📊 Manual Specifications File Format Document Format: PDF Print Quality Printability: Full Printable Binding Type Binding Method: N/A (Digital Download) Paper Type Paper Quality: N/A (Digital Download) Software Requirements Reader Software: Adobe PDF Reader Compatibility Operating Systems: All Versions of Windows & Mac ⚙️ Engine Specifications Primary Engine Engine Type: Diesel (typical for this era and model series) Engine Family: International Harvester BD Series or similar (e.g., BD-154, BD-206, BD-236, BD-264 - specific engine depends on exact build). Engine Configuration: Likely inline 3-cylinder or 4-cylinder diesel. Performance Estimated Horsepower: Varies by specific engine variant, typically in the 40-60 HP range. Estimated Torque: Specific figures not provided, but engineered for robust pulling power. Fuel System Fuel Delivery: Direct injection, typically with a Roosa-Master or Simms inline injection pump. Cooling System Cooling Method: Water-cooled Lubrication System Oil Type Recommendation: Refer to manual for specific IH viscosity grades, likely an API CD or similar diesel engine oil. 🔧 Transmission Standard Gearbox Type: Constant mesh, sliding gear transmission. Number Of Speeds: Typically 8 forward speeds and 2 reverse speeds (e.g., 4 forward gears with a Hi/Lo range selector). Clutch Type: Single dry plate, heavy-duty clutch. Features Power Take Off Pto: Standard 540 RPM PTO, potentially a 2-speed option. Differential Lock: Differential lock (positive traction) is common on this model for improved traction. 📐 Dimensions Exterior Wheelbase: Varies slightly by configuration, generally around 70-80 inches. Weights Operating Weight: Approximately 3,500 - 4,500 lbs, depending on configuration and ballast. 🛡️ Safety Features Ratings Rollover Protection: ROPS (Roll Over Protective Structure) might be an optional or aftermarket addition, not standard on all early models. Active Features Braking System Type: Drum or disc brakes, depending on specific model year and configuration. Typically mechanical actuation. 💡 Technology Features Infotainment Instrumentation: Basic analog gauges for oil pressure, coolant temperature, fuel level, and ammeter/voltmeter. Tachometer likely present. Driver Assistance Traction Control: Mechanical differential lock provides manual traction assistance. Connectivity Attachment Interfaces: Standard three-point hitch (Category I), PTO shaft, hydraulic couplers for external implements. 🔧 Maintenance Service Intervals Engine Oil Change: Typically every 100-200 operating hours, depending on operating conditions. Consult manual for exact interval. Fuel Filter Replacement: Regular replacement recommended, especially when changing fuel or experiencing performance issues. Consult manual. Hydraulic Fluid Change: Recommended annually or every 500 hours, whichever comes first. Consult manual for specific fluid type and capacity. Fluid Specifications Engine Oil Spec: Consult manual for specific IH oil grades (e.g., IH C-4 for some transmissions/hydraulics, and diesel engine oils like 15W-40 or 10W-30 for engine)....