🏷️ Basic Information

Make:

David Brown

Model:

885N Tractor

👋 Introduction

Positioning:

The David Brown 885N was a robust and reliable utility tractor designed for a wide range of agricultural and industrial applications, known for its straightforward design and dependable performance.

Competitors:

Competed with tractors from manufacturers like Massey Ferguson, Fordson, International Harvester, and John Deere in its class during its production era.

Features:

Emphasis on durability, ease of operation, and efficient power delivery, typical of the David Brown brand.

📋 Manual Details

Systems Covered:

Engine, Fuel System, Cooling System, Lubrication System, Electrical System, Clutch, Transmission, Power Take-Off (PTO), Hydraulics, Steering, Brakes, Front Axle, Rear Axle, Chassis, Bodywork, Troubleshooting, Maintenance Procedures, Specifications

Engine Variants:

Covers the specific diesel engine(s) fitted to the 885N model.

Year Coverage:

Designed for the David Brown 885N tractor throughout its production life.

Pages:

Hundreds (specific count not provided in product info, but described as 'complete' and allowing full printing)

Type:

Workshop Service Repair Manual

Completeness:

Complete official factory service and repair manual.

Language:

English (assumed typical for factory manuals of this era/origin)

Format:

PDF Download

📖 Manual Coverage

Engine:

Detailed information on the diesel engine, including disassembly, assembly, component specifications, and overhaul procedures.

Fuel System:

Comprehensive coverage of the fuel injection pump, injectors, fuel lines, filters, and troubleshooting for fuel delivery issues.

Cooling System:

Instructions for radiator, thermostat, water pump, fan, and hoses; including maintenance and repair.

Lubrication System:

Details on oil pump, oil filter, lubrication passages, and recommended lubrication points and schedules.

Electrical System:

Wiring diagrams, starter motor, alternator, battery, lighting system, ignition (if applicable), and accessory circuits.

Clutch:

Adjustment, inspection, removal, installation, and overhaul of the clutch assembly.

Transmission:

Service procedures for the gearbox, including gear shifting mechanisms, maintenance, and component replacement.

Power Take Off Pto:

Maintenance and repair of the PTO engagement mechanism and shaft.

Hydraulics:

Detailed information on the hydraulic pump, control valve, lift arms, hydraulic cylinders, and fluid maintenance.

Steering:

Procedures for the steering mechanism, including linkage, steering box, and potential adjustments.

Brakes:

Service and repair of the braking system, including brake shoes, drums, linkages, and potential hydraulic components.

Front Axle:

Maintenance and repair of the front axle assembly, including kingpins and wheel bearings.

Rear Axle:

Information on the rear axle, differential, and final drive units.

Chassis And Bodywork:

Frame, fenders, operator platform, drawbar, and other body components.

Maintenance:

Routine maintenance checks, lubrication schedules, filter replacements, and fluid changes.

Troubleshooting:

Systematic diagnostic guides to identify and resolve common operational problems.

Repair:

Step-by-step instructions for disassembling, repairing, and reassembling all major tractor components and systems.

Overhaul:

Complete engine, transmission, and hydraulic system overhaul procedures with detailed instructions and specifications.

Adjustment:

Adjustment procedures for clutch, brakes, PTO, and other critical components to ensure proper operation.

Disassembly And Assembly:

Detailed procedures for the complete disassembly and reassembly of the tractor and its sub-assemblies.

Depth:

Comprehensive factory-level detail, suitable for professional mechanics and experienced DIY users, covering everything from basic maintenance to complete engine rebuilds.

Diagnostic Codes:

Likely does not feature electronic diagnostic codes; troubleshooting is based on mechanical symptoms and visual inspection.

Torque Specifications:

Includes critical torque values for critical fasteners and component assembly, essential for correct repair.

Special Tools:

Lists necessary special tools and equipment required for specific repair and maintenance procedures.

📊 Manual Specifications

Format:

PDF (Portable Document Format)

Quality:

High-resolution, allowing for clear printing of text and diagrams.

Binding:

Not applicable for PDF download; printable in sections or in its entirety.

Paper:

Not applicable for PDF download; user can select print paper type.

Text Search:

Likely text-searchable if produced from scanned documents with OCR, enhancing ease of information retrieval.

⚙️ Engine Specifications

Engine Model:

Typically a David Brown diesel engine (specific model designation for 885N would be within the manual, e.g., AD4.203 or similar Perkins/David Brown derivatives).

Horsepower:

Approx. 50-60 PTO HP (exact figure for 885N varies, will be detailed in manual)

Displacement:

Likely around 200-230 cubic inches (3.3-3.8 liters) for engines of that era, e.g., Perkins AD3.152 or AD4.203 derivatives.

Fuel Type:

Diesel

Injection System:

Mechanical direct injection, often with rotary or inline fuel injection pumps (e.g., CAV or Simms).

Cooling Type:

Water-cooled

Oil Capacity:

Refer to manual for exact capacity, typically 5-7 liters.

🔧 Transmission

Gearbox Type:

Manual transmission, likely with multiple forward and reverse gears.

Optional Features:

Possible options might include creeper gears or variations in PTO speeds depending on configuration.

Gear Selection:

Dog-leg or H-pattern shift, with a splitter or range selector likely present for increased gear options.

Transmission Fluid:

Specific type and grade will be detailed in the manual (likely a Universal Tractor Transmission Oil - UTTO, or specific hydraulic fluid).

📐 Dimensions

Length:

Refer to manual for precise dimensions; typical for a 50-60 HP tractor of the era.

Width:

Refer to manual for precise dimensions; typically around 6-7 feet.

Height:

Refer to manual for precise dimensions; typically around 5-6 feet to the steering wheel/top of the bonnet.

Operating Weight:

Likely in the range of 4,000-5,500 lbs (1800-2500 kg) depending on configuration and ballast.

🛡️ Safety Features

Safety Standards:

Tractors of this era were built to then-current industry safety standards; the manual will detail safety precautions and maintenance for safety-critical systems.

Brake System:

Mechanical or hydraulic drum brakes, with potential for independent rear wheel braking.

Operator Station:

Open operator station, with emphasis on basic controls and visibility. Roll Over Protection Structures (ROPS) were not standard equipment on early models but may be retrofitted.

💡 Technology Features

Infotainment System:

Not applicable for this tractor model; basic functionality was the focus.

Assistance Features:

Not applicable; focus on mechanical systems and operator control.

Connectivity Options:

Not applicable.

🔧 Maintenance

Engine Oil Change:

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

Air Filter Service:

Check and clean/replace as needed based on operating conditions, typically every 250 hours or annually.

Fuel Filter Replacement:

Recommended at regular intervals, often tied to engine oil changes or annually.

Engine Oil Type:

Refer to manual for precise specification, typically SAE 15W-30 or 10W-30 API CD or higher.

Hydraulic Fluid Type:

Refer to manual for precise specification, likely UTF (Universal Tractor Fluid) or specific hydraulic oil grades.

Coolant Type:

Ethylene glycol based antifreeze, typically a 50/50 mix with water. Specific type will be detailed in the manual.

Common Problems:

Potential issues common to tractors of this age can include worn clutch plates, hydraulic leaks, starter motor issues, and corrosion. The manual will help diagnose and repair these.

Electrical Gremlins:

Aging wiring harnesses and connections can lead to intermittent electrical faults, which the manual's wiring diagrams will help trace.

Transmission Wear:

Wear in gear teeth or synchronizers can cause shifting issues, all covered by the manual's repair procedures.

📚 Vehicle History

Brand History:

David Brown was a renowned British tractor manufacturer known for its robust and innovative designs, particularly in the post-WWII era.

Model Lineage:

The 885N is part of David Brown's popular utility tractor range, evolving from earlier models and influencing later designs. It succeeded models like the 880 and was part of a series including the 780, 880, 990, 995, 996, etc.

Production Years:

The David Brown 885N was produced primarily in the late 1960s and early 1970s.

Manufacturing Location:

Manufactured in the UK by David Brown Tractors Ltd.

🏆 Awards & Recognition

Industry Awards:

While specific awards for the 885N might not be documented publicly, David Brown tractors were widely respected for their engineering and contribution to agriculture, often receiving accolades for reliability and performance in their time.