🏷️ Basic Information Identification Make: David Brown Model: 1490 Product Type: Workshop Service Manual / Repair Manual Codes Model Variant Codes: Refer to specific chassis or engine plate for exact variant codes. Manual covers general 1490 specifications. 👋 Introduction Market Position Target Audience: Professional technicians, DIY mechanics, owners Key Features Content Source: Manufacturer-written original workshop manual Accessibility: Instant download, printable sections Value Proposition Cost Saving: Enables DIY repairs, reducing labor costs Competitive Analysis Competitors Of The Era: Massey Ferguson, Ford, John Deere, Fiat, International Harvester tractors of similar horsepower and era. 📋 Manual Details Coverage Areas Primary Coverage: David Brown Tractor 1490 Page Count Estimated Pages: Hundreds (as stated in description) Manual Type Type: Workshop Service Manual / Repair Manual Additional Manual Types Mentioned: Service Manuals, Workshop Manuals, Repair Manuals, Factory Service Manual, Full Service Repair Manual Language Primary Language: English Format Delivery Method: Instant Download File Format: PDF 📖 Manual Coverage Systems Covered Engine: Yes (including overhaul procedures) Transmission: Yes (implied by general repair/overhaul) Electrical System: Yes (wiring diagrams included) Hydraulics: Yes (implied by tractor repair) Fuel System: Yes (implied by engine overhaul) Cooling System: Yes (implied by engine overhaul) Braking System: Yes (implied by general repair) Steering System: Yes (implied by general repair) Chassis And Frame: Yes (implied by general repair) Bodywork And Fittings: Yes (implied by general repair) Power Take Off Pto: Yes (PTO operation, maintenance, and repair included) Hitches And Drawbars: Yes (three-point hitch and drawbar system operation and repair) Procedures Included Routine Maintenance: Yes (periodic maintenance charts) Step By Step Repairs: Yes Troubleshooting: Yes Overhaul Procedures: Yes (e.g., engine overhaul) Diagnostics: Yes Troubleshooting Guides: Detailed guides for diagnosing and resolving common operational issues. Technical Depth Depth Level: Comprehensive (professional technicians and DIY mechanics) Detail Level For Rebuilds: High - Covers complete engine, transmission, and hydraulic system overhauls. 📊 Manual Specifications File Format File Type: PDF Searchability: Likely searchable PDF text (common for high-quality digital manuals). Print Quality Printability: Full Printable Zoom Capability: YES Layout And Readability: Designed for clarity, with diagrams and step-by-step instructions. Binding Type Binding: Digital (Instant Download) Paper Type Paper Type: N/A (Digital) Software Requirements PDF Reader: Adobe PDF Reader Compression Utility: WinRAR Compatibility Operating Systems: All Versions of Windows & Mac ⚙️ Engine Specifications Primary Engine Engine Type: David Brown Diesel Engine (Specific model varies, but typically a 4-cylinder unit for this tractor series) Performance Horsepower Range: Approx. 70-75 HP (Industry standard for 1490 model, though specific tune may vary) Torque Specifications: Refer to specific engine variant in manual Fuel System Fuel Type: Diesel Injection System: Typically Lucas/CAV or similar rotary injection pump system (details in manual) Lubrication Oil Capacity: Refer to manual for exact capacity and specific oil type (e.g., API CD/CE equivalent) Cooling System Coolant Type: Ethylene Glycol based coolant (50/50 mix recommended, refer to manual for specifics) Engine Displacement Displacement Approximate: Approx. 3.5 - 4.0 Liters (typical for David Brown engines of this size). 🔧 Transmission Standard Gearbox Type: David Brown Syncro-Shift or similar gearbox (e.g., 12-speed forward, 4-reverse, or other configurations) Optional Powershift Options: Potentially optional 'Hydroshift' or similar powershift unit for certain models (verify in manual) Features Transmission Fluid: Refer to manual for specific fluid type and capacity (e.g., TO-4 Transmission Oil or equivalent) 📐 Dimensions Exterior Length: Refer to detailed specifications in manual (typically around 140-150 inches) Width: Refer to detailed specifications in manual (typically around 70-75 inches) Height: Refer to detailed specifications in manual (typically around 95-100 inches to exhaust) Weights Operating Weight: Refer to manual (typically in the range of 7,000 - 8,000 lbs) Wheelbase: Refer to manual for exact wheelbase 🛡️ Safety Features Ratings Rollover Protection: ROPS (Roll-Over Protective Structure) may be factory-fitted or optional, details and installation in manual. Active Features Braking System Type: Hydraulically operated, self-adjusting, wet disc brakes (common for this era) 💡 Technology Features Infotainment Infotainment System: Not applicable for this tractor model. Focus is on function and durability. Driver Assistance Driver Assistance Features: Basic mechanical controls; no electronic driver assistance features. Connectivity Connectivity Options: None. Analog controls and mechanical linkages. 🔧 Maintenance Service Intervals Engine Oil Change: Typically every 250 hours or annually, refer to manual for exact interval and oil specification. Air Filter Cleaning Or Replacement: Check regularly, replace as needed based on operating conditions (refer to manual). Fuel Filter Replacement: Typically at significant hour intervals (e.g., 500 hours), or as per manual recommendation. Fluid Specifications Hydraulic Fluid Type: Refer to manual (likely a universal tractor transmission fluid (UTTF) or specific hydraulic oil specification). Gear Oil Type: Refer to manual for gearbox and differential oil specifications. Coolant Capacity: Refer to manual for exact capacity. Known Issues Common Wear Items: Clutch wear, hydraulic pump reliability, front axle kingpin wear, electrical connections. Engine Specific Checks: Glow plug system integrity, injector pump timing, valve adjustments. 📚 Vehicle History Brand...