This manual covers the International Harvester / David Brown 1394, 1490, 1494, 1594, and 1690 tractor series, representing robust agricultural machinery known for their reliable performance. These tractors, likely produced during the 1970s and early 1980s, are descendants of the David Brown legacy, integrated with International Harvester's manufacturing prowess. They typically feature Perkins-based diesel engines, offering a range of horsepower suitable for various farming and heavy-duty tasks. The engineering quality and distinctive styling of these models make them a valuable asset for operators and owners seeking dependable power and longevity in their equipment. The purpose of this comprehensive factory service and repair workshop manual is to provide detailed technical information for the maintenance, troubleshooting, and repair of the International David Brown tractor models. It covers all essential systems, including the engine, transmission, hydraulics, electrical system, brakes, steering, cooling, and fuel systems. The manual offers step-by-step instructions, hundreds of photos, and exploded diagrams for procedures ranging from routine maintenance and component replacement to complete overhauls and diagnostics. This resource is intended for professional mechanics, technicians, and serious tractor owners who require factory-level insights to ensure optimal performance and longevity of their machinery. 🏷️ Basic Information Identification Make: International Harvester / David Brown Model: 1394, 1490, 1494, 1594, 1690 Codes Product Name: International David Brown 1394 1490 1494 1594 1690 Tractor Service & Repair Workshop Manual Download PDF 👋 Introduction Market Position Target User: Professional mechanics, technicians, and serious tractor owners/operators. Competitive Analysis Value Proposition: Provides factory-level repair and maintenance information for essential tractor models, enabling cost-effective ownership and repair. Key Features Content Completeness: Full factory service manual, not a trial or limited version. Accessibility: Instant download for immediate use. Content Style: Step-by-step instructions with high-quality visual aids (photos & diagrams). Technical Reference: Serves as a critical technical reference for understanding the intricacies of these tractors. 📋 Manual Details Coverage Areas Coverage Scope: Comprehensive service, repair, and troubleshooting procedures for International David Brown 1394, 1490, 1494, 1594, and 1690 tractors. Model Years Covered: Covers the operational lifespan of the 1394, 1490, 1494, 1594, and 1690 models (specific production years not listed but implied by model numbers). Page Count Estimated Pages: Hundreds (exact count not specified, but described as 'very detailed with hundreds of pages'). Manual Type Type: Factory Service & Repair Workshop Manual Language Language: English Format Digital Format: Downloadable PDF Usage Rights: Unlimited usage on multiple devices, lifetime access, no expiry dates. Device Compatibility: Compatible with Windows and MAC computers, tablets, and smartphones. Print Ability: Printable pages (single or entire manual). Searchability: PDF format typically allows for text searching of content. 📖 Manual Coverage Systems Covered Engine: Detailed diagnostics, overhaul, tuning, and repair procedures for all engine variants. Transmission: Service, repair, and adjustment of gearbox, clutch, and drivetrain components. Hydraulics: Hydraulic system diagnosis, repair, pump, valve body, and cylinder service. Electrical System: Wiring diagrams, component testing, starter, alternator, lighting, and instrumentation repair. Braking System: Brake system maintenance, adjustment, and repair of brake assemblies. Steering System: Power steering diagnosis and repair, steering column, and linkage service. Cooling System: Radiator, thermostat, water pump, and fan service. Fuel System: Fuel tank, lines, filters, and injection pump service. Air Conditioning: Diagnosis and repair of A/C system components (if equipped). Chassis And Body: Frame, axle, and body panel repair and maintenance. Front Axle: Service and repair of the front axle and steering components. Rear Axle And Differential: Maintenance and overhaul of the rear axle and differential assembly. Procedures Included Routine Maintenance: Oil changes, filter replacements, lubrication, and general inspection. Troubleshooting: Systematic diagnostic procedures for identifying and resolving common and complex issues. Rebuild Procedures: Step-by-step instructions for complete engine, transmission, and hydraulic system rebuilds. Component Replacement: Detailed guidance for replacing individual parts and assemblies. Adjustment Procedures: Precise instructions for adjusting clutches, brakes, and hydraulic controls. Disassembly And Assembly: Detailed instructions for taking apart and reassembling all major tractor systems. Timing Settings: Procedures for setting engine timing and fuel injection timing. Valve Adjustment: Detailed instructions for adjusting valve lash on engine cylinders. Lubrication Charts: Detailed lubrication points and recommended service intervals for all grease fittings and oil reservoirs. Technical Depth Depth Of Information: Professional-grade technical information covering all aspects from basic servicing to complete overhauls and diagnostics. Diagrams And Illustrations: Hundreds of detailed photos and exploded diagrams to illustrate repair procedures. Diagnostic Trees: Likely includes diagnostic flowcharts and troubleshooting trees for common problems. Torque Specifications: Comprehensive torque specifications for all critical fasteners across all systems. 📊 Manual Specifications File Format File Type: PDF Print Quality Resolution: Professional quality, suitable for printing with clear text and images/diagrams. Binding Type Digital Binding: N/A (Downloadable file) Paper Type Digital Paper: N/A (Digital pages) ⚙️ Engine Specifications Primary Engine Engine Family: Perkins-based (common for this era of David Brown/International). Cylinder Count: Likely 4-cylinder and 6-cylinder variants depending on the specific model. Engine...