Historical Context:
The David Brown 995 was a popular medium-horsepower tractor, part of a successful line from David Brown Tractors Ltd., known for its robust construction and versatility in agricultural applications.
Competitors Of Era:
Competed with tractors from manufacturers like Ford (e.g., Fordson Super Major), Massey Ferguson (e.g., MF 65), International Harvester (e.g., McCormick B-450), and John Deere during its production run.
Engine Configuration:
Typically powered by a robust, naturally aspirated diesel engine.
Transmission Type:
Likely featured a sliding mesh or constant mesh gearbox, providing a range of forward and reverse gears.
Hydraulic System:
Equipped with a well-regarded David Brown hydraulic system (often the D.P.S. - 'Diff Lock & Pressure Control') for implement control.
Cost Savings:
Empowers owners and mechanics to perform repairs and maintenance themselves, significantly reducing service costs.
Efficiency:
Provides direct access to factory-approved procedures and specifications, minimizing guesswork and maximizing repair efficiency.
Knowledge Acquisition:
Offers in-depth understanding of the tractor's systems, invaluable for troubleshooting and preventative maintenance.
Accessibility:
Digital format allows for quick access on various devices, anytime, anywhere.
Primary Coverage:
Service and repair information for the David Brown 995 tractor.
Secondary Coverage:
Troubleshooting, maintenance schedules, detailed repair procedures, and wiring diagrams.
Estimated Page Count:
Referral to 'comprehensive' implies a substantial page count typical of factory service manuals, likely several hundred pages. (Specific page count not provided in product info).
Type:
Factory Service Repair Manual / Workshop Manual
Engine:
Detailed breakdown of engine components, including cylinder head, pistons, crankshaft, camshaft, valve train, cooling system, lubrication system, and fuel system.
Transmission:
Coverage of the gearbox, clutch, differential, rear axle, and PTO (Power Take-Off) mechanisms.
Hydraulics:
In-depth information on the hydraulic system, including the hydraulic pump, control valves, lift arms, cylinders, and associated plumbing.
Electrical:
Comprehensive wiring diagrams, starter motor, generator/alternator, battery system, lighting, and instrumentation.
Steering:
Details on the steering system, including steering box, linkages, and any power steering components.
Brakes:
Information on the braking system, including brake master cylinder, wheel cylinders, brake shoes/pads, and linkage.
Chassis And Body:
Front axle, rear axle, suspension components, fenders, operator's platform, and general bodywork repair.
Routine Maintenance:
Engine oil changes, filter replacements, fluid level checks, lubrication points, and general inspection procedures.
Troubleshooting:
Systematic diagnostic guides to identify and resolve common and uncommon operational issues.
Major Repairs:
Engine rebuilds, transmission overhauls, hydraulic system repairs, and axle repairs.
Component Disassembly And Assembly:
Step-by-step instructions for removing, inspecting, repairing, and reinstalling all major components.
Adjustment Procedures:
Specific procedures for adjusting clutch, brakes, governor, valve lash, and hydraulic controls.
Diagnostic Level:
Advanced diagnostics, including understanding of system operation, fault identification, and repair validation.
Rebuild Capability:
Enables complete engine, transmission, and hydraulic system rebuilds.
Specification Accuracy:
Provides precise torque specifications, clearances, fluid capacities, and performance metrics.
Engine Type:
Diesel, 4-cylinder, naturally aspirated (specific model may vary slightly, but common for 995).
Displacement:
Typically around 3.1 to 3.6 liters (approx. 190-220 cubic inches), depending on specific engine variant.
Horsepower Rating:
Around 50-60 PTO horsepower (peak).
Torque Output:
Good mid-range torque for pulling power.
Injection Type:
Direct injection, likely with a rotary or inline injection pump.
Cooling Method:
Water-cooled, pressurized system with radiator and fan.
Oil Type:
Recommendation for a specific SAE viscosity grade diesel engine oil (e.g., SAE 30 or 15W-40, as specified in the manual).
Engine Identification:
Engine serial number location and identification conventions detailed in the manual.
Transmission Type:
Manual transmission with multiple forward and reverse gears (e.g., 8 forward, 2 reverse).
Gearbox Features:
Likely includes a PTO engagement lever and potentially a differential lock control.
Transmission Options:
Some models might have had variations or optional PTO speeds.
Clutch Type:
Single or dual-plate dry clutch.
Transmission Fluid Type:
Specific hydraulic/transmission fluid type and capacity will be detailed in the manual.
Length:
Approx. 125-135 inches (3175-3430 mm) without implements.
Width:
Approx. 65-75 inches (1650-1900 mm) at rear wheels.
Height:
Approx. 85-95 inches (2160-2410 mm) to top of steering wheel/exhaust.
Operating Weight:
Around 4,500 - 5,500 lbs (2040 - 2500 kg) without ballast or implements.
Drawbar Capacity:
Significant drawbar capacity, details on towing capacity and hitch specifications are in the manual.
Rollover Protection:
Original models did not include factory-installed ROPS; retrofitting is often recommended for modern safety standards. Manual will detail safe operating procedures.
Brake System:
Mechanical drum brakes or disc brakes depending on specific build, with manual adjustments and maintenance procedures covered.
Differential Lock:
Manual engagement of differential lock for improved traction.
Operator Station:
Basic operator station with seat, controls, and platform. Manual will detail safe use of controls.
Engine Oil Change:
Typically every 100-150 operating hours, or annually. Specific interval in manual.
Air Filter Service:
Regular inspection and cleaning/replacement based on operating conditions, detailed in the manual.
Fuel Filter Replacement:
Recommended replacement at specified intervals or when experiencing fuel system issues.
Engine Oil Capacity:
Approx. 7-9 liters (7.4-9.5 US quarts), depending on engine variant. Exact capacity in manual.
Transmission Hydraulic Fluid:
Specific fluid type (e.g., UTTO - Universal Tractor Transmission Oil) and capacity to be confirmed from the manual.
Coolant Specification:
Proprietary or standard antifreeze/coolant mixture, specific type and capacity in manual.
Hydraulic Leaks:
Common for aging tractors; manual provides procedures for seal replacement and system checks.
Clutch Wear:
Normal wear item, manual covers clutch inspection and replacement procedures.
Electrical Connections:
Corrosion and loose connections can cause intermittent issues; wiring diagrams are crucial.
David Brown Legacy:
David Brown Tractors Ltd. was a British manufacturer with a long history of producing robust and reliable agricultural machinery.
990 To 995 Transition:
The 995 was an evolution of the earlier 990 model, often featuring engine upgrades and refinements for improved performance and efficiency.
Production Period:
The 995 model was produced primarily in the 1960s, following the 990.
Manufacturing Location:
United Kingdom (Meltham, Yorkshire).
