The Case International 485 Tractor, produced from the late 1970s through the 1980s, represents a robust and reliable workhorse in the agricultural sector. Evolving from the esteemed International Harvester lineage, this tractor is known for its dependable performance and serviceability. Powered by a diesel engine from the Case 4-390 Series, typically in the 45-60 HP range, it offers efficient operation for a variety of farm tasks. Its design emphasizes practicality, featuring a mechanical gear drive transmission, a standard PTO, and a Cat II 3-point hitch with draft and position control, making it a versatile tool for farm owners, agricultural mechanics, and independent repair shops. This Workshop Service Manual (WSM) provides comprehensive service and repair information for the Case International 485 Tractor. It is designed to empower users to perform maintenance and repairs effectively, covering all major systems including the engine, transmission, chassis, steering, and electrical systems. Within its pages, you will find detailed instructions for routine maintenance, component disassembly and reassembly, adjustments, and calibration. The manual also includes essential troubleshooting guides and wiring diagrams, ensuring that owners and technicians have the resources needed to diagnose issues and keep the tractor in optimal working condition, thereby saving significant costs compared to dealership service. 🏷️ Basic Information Identification Make: Case International Model: 485 Tractor Codes Product Code Manual: WSM Service Manual Repair 👋 Introduction Market Position Target Audience: Farm owners, agricultural mechanics, independent repair shops, and enthusiasts undertaking their own tractor maintenance and repairs. Competitive Analysis Value Proposition: Empowers users to perform repairs and maintenance, saving significant costs compared to dealership service. Provides comprehensive, easy-to-follow instructions. Key Features Features: Step-by-step instructions, detailed illustrations, wiring diagrams, troubleshooting guides, routine maintenance schedules. 📋 Manual Details Coverage Areas Coverage Scope: Comprehensive Service and Repair Page Count Estimated Pages: Varies by specific edition, but designed to be comprehensive for all repairs. Manual Type Type: Workshop Service Manual (WSM) / Repair Manual Language Language: English Format File Format: PDF 📖 Manual Coverage Systems Covered Engine: Engine overhaul, disassembly, assembly, inspection, lubrication system, cooling system, fuel system (including injection pump and injectors), air intake system, exhaust system. Transmission: Gearbox (powershift/gear drive), clutch, differential, PTO (Power Take-Off) system, hydraulic pump, hydraulic system maintenance and repair. Chassis And Steering: Front axle, rear axle, braking system (mechanical/hydraulic), steering system (hydrostatic/mechanical), hitch system (3-point linkage), implement mounting. Electrical System: Wiring diagrams, starter motor, alternator/generator, battery, lighting system, ignition system (if applicable), instrument panel, troubleshooting. Bodywork And Operator Station: Fenders, operator platform/cab, seat, controls, hydraulics linkages, hood, weights. Procedures Included Routine Maintenance: Lubrication points, fluid level checks, filter replacements, greasing intervals, belt tensioning. Troubleshooting: Diagnostic charts, symptom-based troubleshooting for all major systems. Repair And Rebuild: Step-by-step instructions for component disassembly, inspection, repair, and reassembly for all major systems. Adjustment And Calibration: Valve lash adjustment, injection timing, brake adjustments, hydraulic system calibration. Technical Depth Depth: In-depth, professional quality. Covers routine maintenance to major overhaul and rebuild procedures. 📊 Manual Specifications File Format File Format: PDF Print Quality Printability: Full Printable. Pages can be printed individually or in sections. Binding Type Binding: Digital Download (Printable PDF) Paper Type Paper Recommendation: Recommended for printing on durable paper for workshop use. ⚙️ Engine Specifications Primary Engine Engine Type: Diesel Engine Family: Case 4-390 Series (e.g., 3.9L 4-cylinder naturally aspirated or turbocharged variants depending on specific 485 model sub-variant) Performance Horsepower Range: Typically in the 45-60 HP range (exact rating varies by engine configuration and market). Fuel System Fuel Injection: Direct Injection, typically Bosch or Simms/CAV inline injection pumps. Cooling System Cooling Type: Water-cooled Lubrication System Oil Type: API CF or CD classification diesel engine oil, viscosity grade typically SAE 15W-40 or 10W-30 depending on ambient temperature. 🔧 Transmission Standard Transmission Type: Mechanical Gear Drive with synchronized or non-synchronized gears. Option for 8-speed, 12-speed, or 16-speed transmissions. Optional Powershift Option: Some models may have offered a powershift option (e.g., Multi-Power). Features Pto: Standard PTO (540 RPM, possibly 540/1000 RPM) with mechanical engagement. Hydraulic System Hydraulic Pump Type: Gear-type hydraulic pump (e.g., 'Gravely' type or similar) powering the hitch and auxiliary remotes. 📐 Dimensions Exterior Wheelbase: Varies by specific configuration, typically around 80-85 inches. Weights Operating Weight: Approx. 4500-5500 lbs (2040-2500 kg) depending on configuration and fitted equipment. 🛡️ Safety Features Ratings Rollover Protection: ROPS (Roll Over Protective Structure) and seatbelt often optional or standard depending on market and year of manufacture. Active Features Braking System Type: Wet disc brakes or drum brakes, mechanically operated. Passive Features Operator Station Design: Designed for operator visibility and control with integrated safety features. 💡 Technology Features Infotainment Instrument Panel: Basic analog gauges for engine RPM, oil pressure, coolant temperature, fuel level, and battery voltage. Warning lights for critical functions. Driver Assistance Hitches: Cat II 3-point hitch with draft and position control levers for implement operation. Connectivity Power Take Off: Standard rear PTO,...