Target User:
Individuals with basic electrical and mechanical knowledge seeking to maintain or repair their David Brown 995 Tractor.
Value Proposition:
Provides factory-level detail for maintenance and repair, equivalent to paper manuals but with instant digital access.
Content Type:
Combines factory service manual and owner's manual information.
Instructional Method:
Step-by-step procedures to impart factory technician knowledge.
Accessibility:
Instant download for immediate access to repair information.
Engine:
Detailed overhaul, troubleshooting, fuel system, lubrication system, cooling system, intake and exhaust systems.
Transmission:
Service, maintenance, and repair of the gearbox, clutch, and associated components.
Hydraulics:
Operation, maintenance, and repair of the hydraulic lift system, including pumps, cylinders, and control valves.
Electrical System:
Wiring diagrams, troubleshooting for starter, generator, lighting, and instrumentation.
Front Axle:
Service and repair of the steering system and front axle assembly.
Rear Axle:
Maintenance and repair of the differential, final drives, and rear axle housing.
Brakes:
Service and adjustment of the braking system, including brake shoes and drums.
Power Take Off:
Service and repair of the PTO shaft and engagement mechanism.
Cooling System:
Radiator, thermostat, hoses, and fan service.
Fuel System:
Diesel injection pump, injectors, fuel filter servicing.
Disassembly:
Step-by-step disassembly of all major components and sub-assemblies.
Assembly:
Detailed reassembly instructions for all removed components.
Maintenance:
Routine maintenance procedures and schedules.
Troubleshooting:
Diagnostic guides for identifying and resolving common problems.
Repair:
Comprehensive repair instructions for worn or damaged parts.
Cleaning:
Specific cleaning instructions for various components.
Reinstalling:
Guidance on correctly reinstalling serviced components.
Depth Level:
Suitable for professional technicians and knowledgeable DIY mechanics.
Target Audience:
Professional technicians, DIY mechanics, tractor owners.
Zoom:
Yes (Zoom IN/OUT capability)
Searchability:
Implied by PDF format, facilitating quick information retrieval.
Printability:
Full Printable
Binding:
Digital Download (No physical binding)
Paper Type:
Not Applicable (Digital Format)
Engine Type:
David Brown AD4/33 Diesel Engine (typically 4-cylinder)
Displacement:
Approximately 3.14 Liters (191.7 cubic inches) - *Note: Exact displacement can vary slightly by specific engine variant.*
Bore X Stroke:
Approx. 91.4 mm x 117.5 mm (3.60 in x 4.63 in) - *Note: Specifications may vary.*
Horsepower Rated:
Approximately 55-58 PTO horsepower (rated) - *Note: Actual power output can vary based on engine condition and tuning.*
Torque:
Torque figures would be available in the manual, typically in the range of 140-160 lb-ft, but specific values require manual reference.
Injection System:
Bosch or Simms inline injection pump (specific type dependent on production date, detailed in manual).
Fuel Filters:
Primary and secondary diesel filters, maintenance procedure detailed in the manual.
Transmission Type:
David Brown Constant Mesh Gearbox
Gear Configurations:
Typically 8 forward speeds and 2 reverse speeds. Manual provides detailed gear selection and operation.
Clutch:
Dual-stage clutch (road transport and PTO operation), detailed service procedures within the manual.
Gearbox Oil Capacity:
Specific capacity is detailed in the manual. Typically around 15-20 liters (approx. 4-5 gallons) of GL-4 gear oil.
Transmission Oil Specification:
Refer to manual for exact specification, but typically API GL-4 gear oil.
Wheelbase:
Approximately 75 inches (1905 mm) - *Note: Specific dimensions require manual verification.*
Length:
Approximately 120-130 inches (3048-3302 mm) - *Note: Varies with hitch configuration.*
Width:
Approximately 65-70 inches (1651-1778 mm) at rear wheels - *Note: Varies with track width settings.*
Tare Weight:
Approximately 4,500 - 5,000 lbs (2041 - 2268 kg) - *Note: Weight varies with configuration and options.*
Front Tire Size:
Commonly 6.00 x 16 or 7.50 x 16. Manual will specify exact options.
Rear Tire Size:
Commonly 13.6 x 28 or 14.9 x 28. Manual will specify exact options.
Safety Standards:
Manual will detail safety procedures, but specific official safety ratings for this era of tractor are not typically standardized like modern vehicles.
Braking System:
Internal expanding shoe brakes, with mechanical linkage. Manual covers adjustment and repair.
Operator Station:
Basic operator station, manual will advise on safe operation practices and seatbelt installation if applicable.
Infotainment System:
N/A (This is a vintage tractor; technology is mechanical and basic electrical).
Driver Assistance Features:
N/A (This is a vintage tractor; driver assistance is limited to mechanical controls).
Connectivity Options:
N/A (This is a vintage tractor; no electronic connectivity features).
Engine Oil Change:
Typically every 250-500 operating hours, or annually. Manual provides precise intervals and oil type.
Hydraulic Oil Change:
Typically every 500-1000 operating hours. Manual specifies frequency and type of fluid.
Transmission Oil Change:
Typically every 1000-1500 operating hours. Manual specifies frequency and type of fluid.
Engine Oil:
Refer to manual for exact viscosity and API classification (e.g., SAE 30 or 15W-40, API CD or similar).
Hydraulic Fluid:
Refer to manual for specification, typically UTF (Universal Tractor Transmission Fluid) or specific hydraulic oil meeting David Brown specifications.
Coolant:
Mixture of antifreeze and water. Manual will provide correct ratio and type.
Common Wear Points:
Clutch wear, hydraulic pump inefficiency, PTO clutch wear, potential for starter issues, and general wear on linkage points. Manual addresses troubleshooting and repair for these.
Fuel Injection:
Cylinder head gasket leaks and injector pump timing issues can occur. Manual provides diagnostic procedures.
Manufacturer:
David Brown Tractors Ltd., a British agricultural machinery manufacturer known for robust and reliable tractors.
Series Context:
The 995 was part of the later series of David Brown tractors before the integration with Tenneco (Case) and later Case IH. It represented an evolution in power and features from earlier models.
Production Years:
Typically produced from the mid-1960s into the early 1970s (approx. 1965-1971). Manual covers the entirety of this production run.
