The David Brown 990 Tractor, a product of a brand historically associated with the Case Corporation and later Case IH, represents a significant piece of agricultural machinery. Produced primarily from the late 1950s through the early 1970s, this versatile tractor is recognized for its robust construction and reliable performance. The 990 was engineered to meet the demanding needs of agricultural work, offering dependable operation and a solid foundation for various farming tasks. Its legacy is one of durability and effectiveness in the field, making it a sought-after machine for owners and enthusiasts.
This comprehensive Factory Service Repair Manual provides in-depth technical information for the David Brown 990 Tractor. It covers a wide array of systems, including the engine (both gasoline and diesel variants), transmission, clutch, brake system, cooling system, fuel system, hydraulic lift system, electrical system, and power take-off (PTO). The manual details essential maintenance procedures, advanced troubleshooting guides, and technical specifications, enabling owners, mechanics, and technicians to effectively maintain, diagnose, and repair the tractor. Its factory-level detail ensures accurate and reliable guidance for all service needs.
Manufacturer Association:
Case Corporation (later Case IH)
Product Identifier:
Case David Brown 990 Tractor Factory Service Repair Manual PDF Download
Target Audience:
Owners, mechanics, technicians, and restoration enthusiasts seeking genuine, detailed factory repair information for the Case David Brown 990 Tractor.
Authenticity:
Official genuine factory service manuals, distinguished from less comprehensive third-party publications.
Content Enhancements:
Includes hundreds of pages of detailed procedures, step-by-step instructions, notes, cautions, warnings, diagrams, illustrations, photos, and an advanced troubleshooting guide.
Usability:
Easy to use, with a numbered table of contents for quick information retrieval and the ability to print only necessary pages.
Cost Savings:
Enables owners to perform servicing themselves, potentially saving $50-$60 per hour in shop labor costs.
Systems Covered List:
• Belt Pulley
• Brake System
• Clutch (Single Disc and Dual Disc)
• Cooling System
• Diesel Fuel System
• Differential
• Electrical System
• Engine
• Final Drive
• Front Axle
• Hydraulic Lift System
• Ignition System
• Power Steering
• Power Take-Off (PTO)
• Rear Axle
• Steering Gear (Manual)
• Transmission
• Carburetor (Gasoline variants)
• Maintenance Procedures
• Technical Information & Specifications
Estimated Page Count:
Hundreds of pages (specific number not provided, but implies comprehensive coverage)
Type:
Factory Service Repair Manual
Delivery Method:
Digital Download
Engine Systems:
Comprehensive coverage of the engine, including disassembly, assembly, component inspection, and repair for both gasoline (carburetor) and diesel fuel systems.
Drivetrain Systems:
Detailed procedures for the transmission, differential, final drive, front and rear axles, ensuring proper operation and repair of the power delivery components.
Braking Steering Suspension:
Includes in-depth coverage of the brake system, steering gear (manual), and power steering systems for safe and effective operation.
Hydraulic Electrical:
Explains the hydraulic lift system and the complete electrical system, including ignition and troubleshooting.
Maintenance:
Step-by-step maintenance procedures, service intervals, and fluid specifications for long-term care.
Repair Rebuild:
Complete diagnostic and repair procedures, including detailed instructions for component overhaul, reassembly, and restoration.
Troubleshooting:
Advanced troubleshooting guide to diagnose and correct common and complex problems across all systems.
Depth Of Information:
Factory-level detail, providing the same information as professional technicians. Covers fundamentals to advanced repairs, including component specifications and diagnostic techniques.
File Format Details:
PDF (Portable Document Format), compatible with all PC-based Windows operating systems and Mac.
Printability:
Fully printable without restriction. Users can print the entire manual or specific pages.
Resolution:
High resolution, ensuring clarity of text, diagrams, and illustrations.
Binding Type Implication:
N/A (Digital Download - printable format allows for user-defined binding).
Paper Type Implication:
N/A (Digital Download - user selects paper type for printing).
Engine Type Coverage:
Covers both Gasoline (with carburetor) and Diesel engine variants of the Case David Brown 990 Tractor.
Engine Displacement Torque Horsepower:
Specific figures are not provided in the product description but are comprehensively covered within the manual's technical specifications section for all applicable engine configurations.
Fuel System Details:
Detailed coverage of the Diesel Fuel System and Carburetor (Gasoline) fuel system, including components, operation, maintenance, and repair.
Transmission Types Covered:
Manuals cover various transmission configurations as fitted to the Case David Brown 990 Tractor. Specific gear ratios and fluid types would be detailed within the manual.
Clutch Options Covered:
Includes detailed information on both Single Disc and Dual Disc clutch systems, crucial for power transmission and PTO engagement.
Power Take Off Pto:
Comprehensive coverage of the Power Take-Off (PTO) system, essential for operating implements.
Dimensional Data:
Detailed specifications including overall dimensions, wheelbase, track width, and ground clearance are provided within the Technical Information & Specifications section of the manual.
Weight Specifications:
Information on operating weight, front/rear axle weights, and towing capacity is included in the manual's technical data.
Safety Features Coverage:
The manual emphasizes safety through detailed notes, cautions, and warnings within repair procedures, particularly concerning braking, steering, and hydraulic systems.
Braking System Maintenance:
Extensive details on brake system maintenance, adjustment, and repair to ensure safe operation.
Component Safety Inspections:
Guidance on inspecting and maintaining critical safety components like the steering gear and hydraulic lift system.
Infotainment Systems:
N/A (This refers to a vintage tractor; no modern infotainment systems are applicable).
Driver Assistance Features:
N/A (This refers to a vintage tractor; no modern driver assistance features are applicable).
Connectivity Features:
N/A (This refers to a vintage tractor; no modern connectivity features are applicable).
Power Steering System:
Detailed diagnostic and repair procedures for the power steering system, enhancing operational ease.
Hydraulic Lift System Operation:
In-depth information on the operation, maintenance, and repair of the hydraulic lift system, essential for implement control.
Maintenance Schedule Coverage:
The manual includes detailed information on recommended service intervals for various components and fluid changes, crucial for preventative maintenance.
Fluid Recommendations:
Specific recommendations for engine oil, transmission fluid, hydraulic fluid, coolant, and brake fluid types and capacities are provided within the manual's technical data and maintenance sections.
Common Wear Points:
The manual's troubleshooting section implicitly addresses common wear points and potential issues specific to the 990, such as clutch wear, hydraulic lift performance, and fuel system maintenance.
Cooling System Service:
Detailed guidance on radiator maintenance, thermostat replacement, and coolant flushing to ensure optimal engine temperature.
Brake System Adjustment:
Procedures for brake adjustment, pad/shoe replacement, and hydraulic fluid bleeding are outlined.
Fuel System Cleaning:
Instructions for cleaning and maintaining the diesel fuel injection system or gasoline carburetor, including filter replacement.
David Brown Legacy:
David Brown Tractors was a British manufacturer known for robust and reliable agricultural machinery. The brand became part of the Tenneco company, which later merged with J.I. Case to form Case Corporation.
990 Model Significance:
The 990 was a popular and versatile tractor in the David Brown lineup, produced through several iterations, offering various configurations and engine options to meet agricultural demands of its era.
Production Era:
The David Brown 990 was primarily produced from the late 1950s through the 1960s and into the early 1970s.
Brand Reputation:
David Brown tractors, including the 990 model, are historically recognized for their robust construction and reliable performance in demanding agricultural environments.
Manual Quality Rating:
Highly rated for its comprehensive nature and factory-original authenticity, providing exceptional value for owners and technicians.
Factory Manual Certification:
Designated as an 'Actual Genuine Repair Service Factory Manual,' signifying adherence to original manufacturer documentation standards.
