David Brown 1290 Workshop Service Manual Repair

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Tipo: Tractor

Proveedor:

SKU: 93932

Etiquetas: 1290 Agriculture David Brown Tractor Tractors

Variantes de producto

Descripción

The David Brown 1290 tractor, produced between 1972 and 1981, represents a significant development in agricultural machinery from its English manufacturer. Known for its robust engineering and reliability, this model offered a blend of power and versatility suitable for a wide range of farming tasks. It featured a choice of dependable diesel engines, including the AD3.152 and the optional A4.236, paired with a sturdy 8-speed constant mesh gearbox. The 1290 was designed with the working farmer in mind, emphasizing durability and ease of operation, making it a valuable asset on farms during its production years and beyond. This comprehensive Workshop Service Manual provides essential information for the maintenance and repair of the David Brown 1290 tractor. It covers all major systems, including the engine, fuel, cooling, lubrication, transmission, hydraulics, electrical, steering, and braking systems, offering detailed procedures for disassembly, assembly, adjustment, and overhaul. The manual also includes troubleshooting guides, diagnostic information, and technical specifications, making it an indispensable resource for owners, mechanics, and technicians seeking to keep their David Brown 1290 tractor in optimal working condition.

🏷️ Basic Information

Identification

Make:

David Brown

Model:

Model Type:

Tractor

Generation

Production Years:

1972-1981

👋 Introduction

Market Position

Purpose:

To provide comprehensive repair and maintenance information for the David Brown 1290 tractor, empowering owners and technicians.

Competitive Analysis

Value Proposition:

Offers detailed, manufacturer-level information for a fraction of the cost of dealership service, enabling DIY repairs and informed maintenance.

Key Features

Content Focus:

Emphasis on practical, actionable repair steps and diagnostic procedures.

Accessibility:

Instant download format provides immediate access to crucial information.

📋 Manual Details

Coverage Areas

Manual Type:

Workshop Service Manual / Repair Manual

Language:

English

Format:

PDF Download

Delivery:

Instant Download

File Format:

Printability:

Full Printable

Zoom Functionality:

Compatibility:

All Versions of Windows & Mac

Software Requirements:

Adobe PDF Reader & WinRAR

📖 Manual Coverage

Systems Covered

Engine:

Yes, comprehensive coverage of the AD3.152 and A4.236 diesel engines, including disassembly, inspection, assembly, timing, and troubleshooting.

Fuel System:

Yes, including fuel injection pump, injectors, fuel lines, and filters.

Cooling System:

Yes, covering radiator, water pump, thermostat, and hoses.

Lubrication System:

Yes, detailing oil pump, oil filter, oil passages, and lubrication schedules.

Transmission:

Yes, including the David Brown 8-speed constant mesh gearbox, clutch, PTO engagement, and differential.

Hydraulic System:

Yes, covering the David Brown Vari-Lift hydraulic system, pump, control valve, lift arms, and cylinder.

Electrical System:

Yes, including starter motor, alternator, battery, lighting, and wiring diagrams.

Steering System:

Yes, detailing the steering box, linkages, and power steering (if equipped).

Braking System:

Yes, covering rear drum brakes and parking brake mechanisms.

Front Axle:

Yes, including steering joints and wheel bearings.

Rear Axle And Hubs:

Yes, detailing axle shafts, differential, and hub assemblies.

Wheels And Tires:

Yes, including recommended tire sizes and pressures.

Bodywork And Chassis:

Yes, covering fenders, operator's platform, and structural components.

Procedures Included

Maintenance:

Yes, detailed periodic maintenance charts, lubrication schedules, and component inspection procedures.

Repair:

Yes, step-by-step repair instructions for all major systems, from minor adjustments to complete overhauls.

Troubleshooting:

Yes, comprehensive diagnostic guides and troubleshooting flowcharts for common issues.

Overhaul:

Yes, detailed overhaul procedures for the engine, transmission, and hydraulic system.

Adjustment:

Yes, including clutch adjustment, brake adjustment, and valve clearance adjustments.

Disassembly And Assembly:

Yes, detailed instructions for dismantling and reassembling all major components and sub-assemblies.

Wiring Diagrams:

Yes, typically includes comprehensive electrical wiring schematics.

Technical Depth

Depth:

Professional Level: Suitable for professional technicians due to its in-depth technical detail and comprehensive coverage. Also adequate for experienced DIY mechanics.

📊 Manual Specifications

File Format

Type:

Digital (PDF)

Quality:

High resolution, clear text and diagrams.

Searchability:

Likely searchable text, enabling quick access to specific information.

Print Quality

Feature:

Printable sections for on-the-job use.

Binding Type

Type:

N/A (Digital Download)

Paper Type

Type:

N/A (Digital Download)

⚙️ Engine Specifications

Primary Engine

Engine Model 1:

David Brown AD3.152

Engine Type 1:

3-cylinder, naturally aspirated, diesel

Bore Stroke 1:

91.5 mm x 115 mm (3.60 in x 4.53 in)

Displacement 1:

2.5 Liters (152 cubic inches)

Compression Ratio 1:

17.5:1

Horsepower Gross 1:

Approx. 63.5 hp (47.3 kW) @ 2200 RPM

Torque Gross 1:

Approx. 150 lb-ft (203 Nm) @ 1300 RPM

Engine Model 2:

David Brown A4.236 (Optional/Later models)

Engine Type 2:

4-cylinder, naturally aspirated, diesel

Displacement 2:

3.9 Liters (236 cubic inches)

Horsepower Gross 2:

Approx. 76 hp (57 kW) @ 2200 RPM

Fuel System

Injection System:

Bosch inline injection pump

🔧 Transmission

Standard

Gearbox:

David Brown 8-speed constant mesh gearbox (4 forward gears + splitter for high/low range)

Optional

Additional Features:

Creep speed gearbox option available on some models.

Features

540 RPM PTO, independently engaged.

Clutch:

Single dry plate clutch.

Rear Axle Drive:

Enclosed, spur-gear final drive.

📐 Dimensions

Exterior

Length:

Approx. 3683 mm (145 in)

Width Max:

Approx. 1880 mm (74 in) at rear wheels

Height To Exhaust:

Approx. 2362 mm (93 in)

Weights

Operating Weight:

Approx. 2610 kg (5750 lbs)

Wheelbase:

Approx. 2235 mm (88 in)

🛡️ Safety Features

Ratings

Historical Context:

Tractors of this era generally pre-date standardized safety rating systems as seen in modern vehicles. Rollover protection (ROPS) was often an aftermarket or optional fitment.

Active Features

Braking:

Mechanical drum brakes on rear wheels. Parking brake mechanism.

Passive Features

Operator Station:

Open operator station with controls and seating. Safety frame/ROPS may be present depending on specification.

💡 Technology Features

Infotainment

Availability:

Not applicable for this era of tractor; basic instrumentation only.

Driver Assistance

Availability:

Not applicable for this era of tractor.

Connectivity

Availability:

Not applicable for this era of tractor.

🔧 Maintenance

Service Intervals

Engine Oil Change:

Every 250 hours of operation or annually.

Oil Filter Change:

At every engine oil change.

Air Filter Service:

Check daily in dusty conditions, service every 250 hours.

Fuel Filter Replacement:

Every 500 hours or as needed.

Transmission Oil Change:

Every 1000 hours of operation or every two years.

Hydraulic Oil Change:

Every 1000 hours of operation or every two years.

Fluid Specifications

Engine Oil:

API CD/CE grade, SAE 15W-30 or 10W-30 (depending on temperature). Consult manual for exact specifications.

Transmission Hydraulic Oil:

David Brown HTMA Type 'A' fluid or equivalent. Capacity approx. 37 liters (9.75 US gal).

Coolant:

Ethylene glycol based anti-freeze mixture (50/50) with corrosion inhibitor.

Known Issues

Common Wear Points:

Clutch wear, PTO clutch wear, hydraulic pump and cylinder seals, front axle kingpins and bushes, gearbox synchros (if applicable).

Engine Maintenance:

Regular maintenance of the injection pump and injectors is crucial for optimal performance and fuel economy.

Hydraulic System Concerns:

Loss of hydraulic lift or slow response can indicate worn pump seals, internal leaks in the cylinder, or a faulty control valve.

📚 Vehicle History

Brand Heritage

Manufacturer:

David Brown Tractors Ltd., Meltham, West Yorkshire, England.

Model Evolution

Lineage:

Successor to the 1200 series, part of David Brown's 'new range' of tractors introduced in the early 1970s. Represented an evolution in styling and features.

Key Improvements Over Predecessors:

Updated styling, improved hydraulics, and options for more powerful engines.

Production

Manufacturing Location:

Meltham, West Yorkshire, UK.

Acquisition Impact:

David Brown was acquired by Tenneco in 1973, leading to models being rebadged as Case-David Brown. Production continued under this umbrella.

🏆 Awards & Recognition

Recognitions

Historical Context:

Tractors of this period were primarily judged on performance, reliability, and value for money in agricultural applications, rather than formal industry awards.