🏷️ 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, potentially with an optional mid-PTO on some variants. 🔧 Maintenance Service Intervals Engine Oil Change: Typically every 250 hours or annually, whichever comes first. Air Filter Service: Inspect and clean at 250 hours; replace as needed or annually. Replace primary and safety elements if damaged or dirty. Fuel Filter Replacement: Typically every 500 hours or annually. Bleeding the fuel system is required after replacement. Hydraulic Oil Change: Typically every 1000 hours or every 2 years. Fluid Specifications Engine Oil Capacity: Approximately 9-10 quarts (8.5-9.5 liters) with filter. Consult specific manual for exact capacity. Hydraulic Oil Capacity: Approximately 8-10 gallons (30-38 liters). Use Case IH Hy-Tran fluid or equivalent. Transmission Oil Type: Case IH Hy-Tran or equivalent. Known Issues Common Wear Items: Clutch wear, PTO spline wear, hydraulic pump wear, starter motor issues, front axle kingpin wear, brake shoe/disc wear. Electrical System Challenges: Corrosion on connectors, aging wiring harnesses, battery terminal issues. Engine Performance Degradation: Low power due to worn injectors, fuel pump issues, or clogged air/fuel filters. 📚 Vehicle History Brand Heritage Parent Company: International Harvester (IH) lineage, later Case IH after merger. Model Evolution Series: Part of the '30' series of tractors, which were an evolution of earlier IH designs, offering...