🏷️ Basic Information Identification Make: IH (International Harvester) David Brown Model: 1390 / 1394 Product Type: Service & Repair Workshop Manual Download PDF 👋 Introduction Market Position Target Audience: Owners, operators, maintenance personnel, and professional mechanics working with IH David Brown 1390 and 1394 tractors. Value Proposition Key Selling Point: Provides comprehensive, factory-level repair and maintenance information for cost-effective and accurate upkeep of these agricultural workhorses. Product Benefit Information Accuracy: Utilizes the same detailed information trusted by professional technicians, ensuring accuracy in repairs and diagnostics. 📋 Manual Details Coverage Areas Manual Coverage Scope: Complete factory service, repair, and troubleshooting procedures for IH David Brown 1390 and 1394 tractors. Page Count Estimated Page Count: Hundreds of pages (specific count not provided, but described as very detailed). Manual Type Manual Format: Digital Download (PDF) Language Language: English (implied by product description and typical manual availability) Format Compatibility Operating Systems: Compatible with all Windows and MAC computers, tablets, and smartphones. Format Features Searchability: PDF format typically allows for text searching, significantly improving the efficiency of finding specific information. 📖 Manual Coverage Systems Covered Engine Systems: Engine overhaul, fuel system (injection pump, injectors, fuel lines), cooling system, lubrication system, starting system, exhaust system. Transmission And Drivetrain: Gearbox overhaul (including power shift if applicable), clutch assembly, differential, final drives, PTO (Power Take-Off) system. Hydraulic System: Hydraulic pump, control valves, lift arms, hydraulic cylinders, troubleshooting hydraulic issues, fluid maintenance. Electrical System: Wiring diagrams, starter motor, alternator, battery, lighting systems, instrument panel, troubleshooting electrical faults. Braking System: Brake pedal assembly, brake master cylinder, brake actuators, brake fluid specifications, brake adjustment and repair. Steering System: Power steering system (if equipped), steering linkages, steering column, troubleshooting steering. Chassis And Body: Front axle, rear axle, wheel bearings, mounting of fenders, operator’s platform, hood assembly, general chassis repairs. Chassis And Suspension: Front wheel drive (if equipped), steering geometry, linkage wear, and adjustment procedures. Procedures Included Maintenance Procedures: Routine servicing, lubrication points, filter replacement intervals, fluid level checks, pre-operation checks. Repair Procedures: Step-by-step instructions for all major component overhauls and component replacements. Troubleshooting Guides: Diagnostic procedures for identifying and rectifying common and uncommon issues across all systems. Technical Specifications: Torque values, clearance measurements, timing settings, fluid capacities, and other critical data. Testing And Adjustment: Procedures for setting valve clearances, injection pump timing, hydraulic system pressures, and clutch adjustments. Technical Depth Depth Of Coverage: Comprehensive, covering everything from basic maintenance to complete engine and transmission rebuilds, suitable for professional mechanics. Diagram Utility: Exploded diagrams are invaluable for identifying parts and understanding assembly sequences during repairs. 📊 Manual Specifications File Format File Type: PDF Print Quality Printable: Yes, individual pages or the entire manual can be printed. Licensing Usage License: Lifetime use, no expiry dates, no renewal fees, usable on multiple devices. Content Type Content Features: Detailed photos, diagrams, exploded views, step-by-step instructions. ⚙️ Engine Specifications Primary Engine Engine Type: Diesel (likely Perkins or a proprietary IH engine of the era) Engine Variant 1390 Displacement 1390: Typically around 3.9 Liters (236 cubic inches) for engines powering this class of tractor (e.g., Perkins 4.248). Engine Variant 1394 Displacement 1394: Likely similar to the 1390, possibly with a slightly higher output version or different engine option. Performance 1390 Horsepower 1390: Estimated around 75-85 PTO horsepower (specific figures would be in the manual). Performance 1394 Horsepower 1394: Likely in a similar range to the 1390, possibly slightly higher depending on engine tuning and configuration. Fuel System Fuel Injection: Mechanical fuel injection system, likely with rotary or inline injection pumps (e.g., Bosch, CAV). Cooling System Cooling Type: Liquid-cooled, pressurized system with radiator and fan. Lubrication System Oil Type Specification: Multi-grade engine oil, likely API CD or CE rated (specific SAE viscosity and API classification to be detailed in the manual). 🔧 Transmission Standard Transmission Gearbox Type: Manual gearbox, likely with 8 or 12 forward gears and 4 or 8 reverse gears. Optional Transmission Optional Gearbox: Some models may have offered a power shift or torque amplifier (TA) option for enhanced gearing flexibility. Features Clutch Type: Dual-stage clutch (one for transmission, one for PTO). Pto Type: Independent PTO, likely 540/1000 RPM selectable via gearbox configuration. 📐 Dimensions Weights Operating Weight: Typically in the range of 3500-4000 kg (7700-8800 lbs) depending on configuration and ballast. Front Axle Weight Rating: Specific rating to be found in the manual; important for front loader compatibility. Rear Axle Weight Rating: Specific rating to be found in the manual; critical for rear implement handling and load capacity. 💡 Technology Features Infotainment Operator Interface: Basic operator controls focused on functionality and durability. Instrument panel typically includes tachometer, engine temperature, oil pressure, and fuel gauge. Driver Assistance Operator Comfort Features: Operator's platform with seating, often with basic suspension. Roll Over Protection Structure (ROPS) may be standard or optional depending on the year and market. Connectivity Auxiliary Ports:...