The Case IH 1390 is a robust agricultural tractor, part of Case IH's esteemed utility line, known for its durability and reliability in demanding farming operations. Likely produced in the 1980s, this diesel-powered machine is engineered for versatility, offering dependable performance for a wide range of farm tasks. Its design prioritizes functionality and longevity, reflecting Case IH's long-standing heritage in agricultural equipment manufacturing. This model embodies the brand's commitment to providing powerful and efficient solutions for farm owners, mechanics, and DIY enthusiasts seeking to maintain their equipment and ensure self-sufficiency. This Workshop Service Manual (WSM) provides comprehensive guidance for the service, repair, and routine maintenance of the Case IH 1390. It covers essential systems including the engine, transmission, hydraulics, electrical system, drivetrain, braking, steering, cooling, and fuel systems. Detailed procedures for routine maintenance, troubleshooting, component replacement, and major overhauls are included, supported by pictures and wiring diagrams. The manual is designed to empower farm owners and technicians with the knowledge necessary to keep the tractor in optimal working condition, saving money on repairs and ensuring its continued operational effectiveness. 🏷️ Basic Information Identification Make: Case IH Model: 1390 Product Name: Case IH 1390 WSM Service Manual Repair 👋 Introduction Market Position Target Audience: Farm Owners, Mechanics, DIY Enthusiasts Key Features Value Proposition: Save money on repairs, empower self-sufficiency Ease Of Use: Easy to follow step-by-step instructions 📋 Manual Details Coverage Areas Primary Coverage: Service, Repair, Routine Maintenance Page Count Estimated Page Count: N/A (Digital Download - Page count varies based on print selection) Manual Type Type: Workshop Service Manual (WSM) Language Language: English Format File Format: PDF 📖 Manual Coverage Systems Covered Engine: Yes (Maintenance, Diagnostics, Overhaul) Transmission: Yes (Maintenance, Diagnostics, Repair) Hydraulics: Yes (System operation, Maintenance, Repair) Electrical System: Yes (Wiring Diagrams, Component Testing, Diagnostics) Drivetrain: Yes (Differential, Axles, PTO) Braking System: Yes (Maintenance, Repair) Steering System: Yes (Maintenance, Repair) Cooling System: Yes (Maintenance, Component Replacement) Fuel System: Yes (Maintenance, Diagnostics) Operator Station: Yes (Controls, Seat, Cab components) Procedures Included Routine Maintenance: Yes (Oil Changes, Filter Replacements, Lubrication) Troubleshooting: Yes (Diagnostic flowcharts, Common Faults) Component Replacement: Yes (Detailed step-by-step instructions) Engine Overhaul: Yes (Disassembly, Inspection, Reassembly) Transmission Rebuild: Yes (Detailed instructions) Hydraulic System Repair: Yes (Pump, Valve, Cylinder repair) Electrical Diagnostics: Yes (Wiring harness repair, sensor testing) Technical Depth Depth: In-depth Professional Quality Visual Aids: Pictures and Wiring Diagrams included 📊 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) Delivery Method Delivery: Instant Download Software Requirements Reader Requirement: Adobe PDF Reader Compatibility Operating Systems: All Versions of Windows & Mac ⚙️ Engine Specifications Primary Engine Engine Type: Diesel Engine Manufacturer: Perkins (likely, common for Case IH of this era) Engine Family: 4-cylinder, naturally aspirated or turbocharged (specifics depend on variant) Displacement: Approx. 3.9 Liters (Specific details in manual) Fuel System Fuel Delivery: Indirect Injection (Typical for era) 🔧 Transmission Standard Transmission Type: Manual Transmission (likely 8-speed or 12-speed variant) Features Gear Selection: Synchromesh (typical for model range) Power Take Off Pto: Yes (540/1000 RPM, depending on configuration) 📐 Dimensions Weights Base Operating Weight: Approx. 2,800 - 3,200 kg (Specifics vary by configuration) Towing Capacity: N/A (Tractor design, not rated for typical vehicle towing) Front Axle Weight Rating: Documented in manual Rear Axle Weight Rating: Documented in manual 🛡️ Safety Features Ratings Rollover Protection: ROPS (Roll-Over Protective Structure) standard or optional depending on configuration Active Features Braking System Type: Hydraulically Actuated Wet Disc Brakes (Rear) Passive Features Seatbelt: Optional or Standard depending on ROPS configuration 💡 Technology Features Infotainment Cabin Features: Basic controls, potentially radio provision depending on configuration (not a primary focus) Driver Assistance Instrumentation: Analog gauges for RPM, Oil Pressure, Temperature, Fuel Level, hour meter. Connectivity Diagnostic Ports: Limited; primarily relies on direct component testing and wiring diagrams for diagnostics. 🔧 Maintenance Service Intervals Engine Oil Change Interval: Refer to manual for specific hours/months (typically 250-500 hours) Hydraulic Fluid Change Interval: Refer to manual for specific hours/months Fluid Specifications Engine Oil Type: API CG-4 or CD Specification, SAE 15W-40 recommended (Verify with manual) Hydraulic Fluid Type: Case IH T.I.D. (Tractor Hydraulic Fluid) or equivalent (refer to manual for exact specifications and viscosity) Coolant Type: Ethylene Glycol based, 50/50 mix with distilled water (refer to manual for specific type and capacity) Known Issues Common Wear Items: Clutch, hydraulic pump seals, PTO clutch packs, starter motors (as with any tractor of this age) Electrical Gremlins: Wiring harness degradation, switch failures (typical for age, covered in manual) Engine Maintenance: Regular injector cleaning and filter replacement are crucial for longevity. 📚 Vehicle History Brand Heritage Manufacturer History: Case IH is a long-standing and reputable manufacturer of agricultural equipment. Model Evolution Product Line: Part of Case IH's utility tractor line, designed for versatility in farming operations. Production...