🏷️ Basic Information

Make:

David Brown

Model:

995 Tractor

Engine Code General:

AD4/47A

👋 Introduction

Target Audience:

Owners and mechanics seeking to maintain, repair, and optimize their David Brown 995 Tractor.

Value Proposition:

Provides essential, detailed information to save on repair costs and improve understanding of the tractor's systems.

Accessibility:

Instant PDF download, eliminating shipping delays and costs.

Usability:

Searchable PDF for quick access to information, printable pages for on-the-job use.

📋 Manual Details

Primary Coverage:

Complete workshop service and repair

Estimated Pages:

Hundreds (specific number not provided, but described as comprehensive)

Type:

Workshop Service Repair Manual

Language:

English

Digital Format:

PDF

📖 Manual Coverage

Engine Overhaul:

Complete engine disassembly, repair, and reassembly procedures for the AD4/47A engine.

Cooling System Service:

Detailed instructions on radiator, water pump, thermostat, hoses, and coolant maintenance.

Fuel System Repair:

Coverage includes fuel tank, lines, filters, injection pump, and injectors.

Powertrain Components:

Repair and maintenance of the entire powertrain, including clutch, transmission, and final drives.

Front Axle And Steering:

Detailed procedures for front axle, kingpins, steering gear, and power steering systems.

Clutch Operation:

Information on clutch adjustment, replacement, and troubleshooting.

Differential And Rear Axle:

Repair and maintenance of the differential, differential lock, and rear axle assembly.

Electrical System Diagnostics:

Comprehensive troubleshooting and repair guidance for the electrical system, including wiring diagrams.

Brake System Service:

Detailed procedures for brake inspection, adjustment, and repair, including park brake.

Body And Platform:

Maintenance and repair of fenders, fuel tank mounting, and operator platform.

Hydraulic System Service:

In-depth coverage of the hydraulic pump, cylinders, valves, and associated components.

Power Take Off Maintenance:

Procedures for servicing and repairing the PTO shaft and engagement mechanisms.

Routine Maintenance:

Step-by-step instructions for oil changes, filter replacements, lubrication, and general inspections.

Troubleshooting Guides:

Diagnostic procedures for common and uncommon issues across all systems.

Component Rebuilds:

Detailed instructions for the complete disassembly, cleaning, inspection, repair, and reassembly of major components.

Electrical Diagnostics:

Specific guidance for diagnosing and rectifying electrical faults, including wiring diagrams.

Torque Specifications:

Essential torque values for all critical fasteners throughout the tractor.

Depth:

Comprehensive, factory-level detail suitable for both DIY enthusiasts and professional mechanics.

Illustrations:

Hundreds of photos and illustrations to clarify procedures and component identification.

Instruction Format:

Numbered, step-by-step instructions with detailed substeps, notes, cautions, and warnings.

📊 Manual Specifications

Format:

PDF

Printability:

Printable without restriction, allowing for full or partial manual printing.

Binding Style:

N/A (Digital download, user prints as desired - suggests user can choose binding)

Paper Quality:

N/A (Digital download, paper type depends on user's printing choice)

⚙️ Engine Specifications

Engine Model:

David Brown AD4/47A

Engine Type:

4-cylinder, naturally aspirated, diesel

Bore Stroke:

Specifics not detailed in product description, but covered within the manual.

Horsepower:

Approximately 50-55 PTO horsepower (exact figures may vary slightly depending on source and configuration, covered in manual).

Torque:

Specific figures not detailed in product description, but covered within the manual.

Injection System:

Bosch inline fuel injection pump (typical for the era and model).

Fuel Type:

Diesel

🔧 Transmission

Transmission Type:

David Brown 8-speed (4 forward, 4 reverse) gearbox with High/Low range selector, often referred to as a 12-speed gearbox with PTO speed options.

Optional Gearbox:

Not explicitly mentioned as an option in the product description, but the manual covers transmission details.

Gear Selection:

Manual shift lever with gated pattern.

📐 Dimensions

Operating Weight:

Approximately 4,500 - 5,000 lbs (2,040 - 2,270 kg) (specific weight varies with configuration, detailed in manual).

🛡️ Safety Features

Safety Compliance:

Manual provides procedures for maintaining safety features as designed by the manufacturer; no specific crash ratings apply to this type of equipment.

Brake System:

Hydraulic disc brakes (often inboard on rear axle) and mechanical park brake.

Operator Protection:

The manual covers aspects of the platform and controls, implying standard operator protection for its era. ROPS (Roll-Over Protective Structure) and seatbelts were often dealer-installed or aftermarket options and may not be detailed as standard.

💡 Technology Features

Infotainment System:

Not applicable for this tractor model.

Driver Assistance Features:

Not applicable for this tractor model.

Connectivity Features:

Not applicable for this tractor model.

🔧 Maintenance

Engine Oil Change:

Typically every 100-150 operating hours or annually, as specified in the manual.

Hydraulic Fluid Change:

Recommended every 500-1000 operating hours or annually, dependent on usage and fluid quality, detailed in manual.

Engine Oil:

API CD/SE or equivalent, SAE 20W/30 or 10W/30 depending on climate (specific part numbers and grades detailed in manual).

Hydraulic Fluid:

Universal Tractor Transmission Oil (UTTO) meeting specific API GL-4 standards or equivalent, e.g., Ford/New Holland M2C41-A/M2C134-A/B/C (manual will specify exact requirements).

Transmission Oil:

Likely a multi-purpose gear oil or UTTO, similar to hydraulic fluid, as specified in manual.

Common Wear Points:

Front axle kingpins and bushings, clutch wear, hydraulic pump seals, and PTO engagement wear are common on high-hour tractors.

Engine Reliability:

AD4/47A engine is generally robust, but issues like injector pump timing, glow plug functionality, and seal leaks can occur with age.

📚 Vehicle History

Manufacturer:

David Brown Tractors Ltd.

900 Series Context:

The 990 and 995 were part of David Brown's highly successful '900' series, known for their robust construction and versatility.

Production Years:

Approximately 1961-1965 for the 995 model.

Manufacturing Location:

Meltham, West Yorkshire, England.

🏆 Awards & Recognition

Industry Impact:

The David Brown 900 series, including the 995, was highly regarded for its performance, reliability, and value, making it a significant model in agricultural history.