🏷️ Basic Information

Make:

Case David Brown

Model:

1490 Tractor

Product Identifier:

Collection of 2 files: Case David Brown 1490 Tractor Factory Service Manual & Operators Manual - Improved - Download PDF

👋 Introduction

Tractor Segment:

Mid-range utility and agricultural tractor, popular in its era for farm work, material handling, and estate management.

Contemporary Competitors:

Competed with models from manufacturers like Massey Ferguson, John Deere, Ford, International Harvester, and Leyland in the 70-90 horsepower class.

Operator Station:

Offered in both ROPS (Roll-Over Protective Structure) platform and fully enclosed cab variants, providing operator comfort and protection.

Hydraulic Capacity:

Typically equipped with a robust hydraulic system capable of powering implements and operating a three-point hitch effectively.

Pto Options:

Standard PTO (Power Take-Off) for driving implements like mowers, balers, and PTO-driven sprayers.

Authenticity:

Emphasized as genuine factory manuals, distinct from aftermarket reproductions, ensuring accuracy and completeness of procedures and specifications.

📋 Manual Details

Manual Types Included:

Factory Service Repair Manual, Operators Instruction Manual

Service Manual Estimated Pages:

Estimated 500+ pages (typical for comprehensive tractor service manuals)

Operators Manual Estimated Pages:

Estimated 150+ pages (typical for tractor operator manuals)

Primary Manual Type:

Factory Service Repair Manual

Secondary Manual Type:

Operator's Instruction Manual

Language:

English

File Format:

PDF (Download)

📖 Manual Coverage

Engine Systems:

Engine overhaul, cylinder head, pistons, crankshaft, lubrication system, cooling system, fuel system (injection pump, injectors, filters), air intake system, exhaust system, engine timing, diesel particulate filter (if applicable to specific sub-models/emissions standards), turbocharger (if equipped).

Transmission Drivetrain:

Transmission overhaul (gearbox), clutch assembly, PTO (Power Take-Off) system, differential lock, final drives, hydraulic pump drive, axle components, drive shafts.

Hydraulic Systems:

Hydraulic pump, control valves, hydraulic cylinders, hydraulic motor (if applicable), linkage, filters, oil reservoir, three-point hitch control system, remote hydraulic outlets (spools), pressure testing and troubleshooting.

Electrical Systems:

Starter motor, alternator, battery system, lighting system, ignition system (if applicable, though typically diesel indirect injection), wiring diagrams, fuse box, instrument panel, sensors, safety interlocks.

Braking Systems:

Brake pedal assembly, brake master cylinder, brake lines, brake calipers/drums, parking brake mechanism, hydraulic brake fluid specifications.

Steering Systems:

Power steering pump, steering column, steering linkage, hydraulic steering cylinder, steering fluid specifications.

Chassis Body:

Frame structure, front axle assembly, rear axle assembly, fenders, operator's station (cab/platform), seat adjustment, controls layout, decals and safety labels, hitch points.

Maintenance Procedures:

Scheduled maintenance, lubrication points and intervals, fluid level checks, filter replacement (oil, fuel, hydraulic, air), battery maintenance, belt tensioning and inspection, tire pressure checks.

Troubleshooting Diagnostics:

Systematic diagnostic flowcharts, common fault identification, causes and remedies for performance issues (e.g., engine power loss, hydraulic sluggishness, starting difficulties), electrical troubleshooting using wiring diagrams.

Repair Rebuild Procedures:

Step-by-step instructions for component removal, disassembly, inspection, repair, reassembly, and installation for major systems including engine, transmission, hydraulics, and PTO.

Special Tool Requirements:

Identification and usage of specialized tools required for specific repair or adjustment procedures.

Depth Of Coverage:

Comprehensive from routine maintenance to complete engine, transmission, and hydraulic system overhauls. Includes detailed specifications, tolerances, and diagnostic procedures.

📊 Manual Specifications

PDF Quality:

High-resolution scans of original factory manuals, ensuring clarity of text, diagrams, and illustrations. Searchable text functionality is often included in well-produced PDFs.

Print Readability:

Designed for readability on screen and print. Key for technical diagrams and torque specifications.

Digital Format Advantage:

PDF format allows for easy searching, zooming, and printing of specific pages. No physical binding or paper type considerations.

Original Manual Paper:

Original manuals likely printed on durable, off-white paper suitable for workshop environments.

⚙️ Engine Specifications

Engine Manufacturer:

David Brown (later Case David Brown)

Engine Model Code:

Likely a variation of the David Brown 4-cylinder diesel engine, such as the AD4/35 or similar.

Engine Type:

Naturally aspirated, 4-cylinder, indirect injection diesel engine.

Engine Displacement Liters:

Approximately 3.9 liters (236 cubic inches)

Horsepower Rated:

Approximately 70-75 PTO horsepower (varies slightly by specific sub-model and testing).

Torque Peak:

Specific torque figures would be detailed in the service manual, typically in the range of 180-200 lb-ft.

Fuel Injection System:

Lucas CAV or Simms inline injection pump.

Fuel Type:

Diesel Fuel

Cooling Type:

Liquid-cooled (water/antifreeze mixture)

Oil Type Specification:

API CD or CE rated diesel engine oil, SAE 15W-40 or 10W-30 depending on climate. Specific viscosity and API rating to be confirmed in manual.

Engine Oil Capacity Liters:

Approximately 7-8 liters (with filter change).

🔧 Transmission

Transmission Type:

Manual transmission with a synchronized gearbox.

Gear Configuration:

Typically 8 forward gears and 2 reverse gears (e.g., 4 forward speeds in two ranges: low and high).

Power Take Off Pto:

Standard 540 RPM PTO, often with an optional 1000 RPM PTO.

Clutch Type:

Dual-clutch for transmission and PTO engagement.

Differential Lock:

Mechanical differential lock activated by foot pedal.

Transmission Oil Type:

API GL-4 Gear Oil, SAE 80W-90 or 85W-140 depending on operating temperature. Manual to confirm specific Case/David Brown specification.

Transmission Oil Capacity Liters:

Approximately 28-30 liters.

📐 Dimensions

Overall Length Meters:

Approximately 3.7 - 3.8 meters (excluding implements).

Overall Width Meters:

Approximately 1.8 - 2.0 meters (depending on tire configuration).

Wheelbase Meters:

Approximately 2.2 - 2.3 meters.

Operating Weight Kg:

Approximately 2,800 - 3,200 kg (unballasted).

Drawbar Pull Capacity Kg:

Significant drawbar pull capability, detailed with maximum allowable weight in the manual.

Three Point Hitch Lift Capacity Kg:

Typically around 2,500-3,000 kg at the lift arm ends.

Front Tire Size:

Commonly 7.50-16 or 9.5L-15.

Rear Tire Size:

Commonly 16.9-30 or 18.4-30.

🛡️ Safety Features

Rops Certification:

Models equipped with cabs or safety frames meet relevant ROPS standards for operator protection in case of rollover.

Brake System Safety:

Independent brake pedals that can be locked together for road travel stability.

Operator Station Design:

Ergonomically designed controls and seating for improved operator safety and reduced fatigue. Safety guards on PTO and other rotating parts.

Warning Lights Indicators:

Dashboard warning lights and indicators for critical systems (oil pressure, coolant temperature, battery charge).

💡 Technology Features

Operator Interface:

Basic analog gauges and indicator lights for engine monitoring and system status. No modern infotainment systems.

Pto Engagement Safety:

PTO engagement is typically a mechanical lever with safety interlocks.

Tractor Connectivity:

No electronic connectivity features common in modern agricultural machinery.

🔧 Maintenance

Engine Oil And Filter Change:

Typically every 250 hours of operation or annually, whichever comes first.

Fuel Filter Replacement:

Recommended every 500 hours or as needed based on fuel quality and usage.

Hydraulic Filter Replacement:

Typically every 1000 hours or when performing hydraulic system maintenance.

Air Filter Cleaning Or Replacement:

Check and clean pre-filter (cyclone separator) frequently; replace element based on operating conditions (e.g., dusty environments).

Transmission Oil Change:

Typically every 1000-1200 hours.

Coolant Type:

Ethylene glycol-based antifreeze, 50/50 mix with distilled water for freeze protection and corrosion inhibition. Specific additive requirements may be noted.

Brake Fluid Type:

DOT 3 or DOT 4 hydraulic brake fluid.

Common Wear Points:

Wear in PTO clutch, hydraulic pump and valve spool wear, front axle kingpin wear, starter motor solenoid issues.

Electrical Component Reliability:

Older wiring harnesses and connectors can degrade over time, leading to intermittent electrical faults.

📚 Vehicle History

David Brown Legacy:

David Brown was a respected British tractor manufacturer with a long history of producing robust and reliable agricultural machinery before its acquisition by J.I. Case.

1400 Series:

The 1490 was part of the highly successful 1400 series, which succeeded earlier David Brown models and incorporated improvements in power, comfort, and features.

Production Period:

The 1490 was primarily produced in the late 1970s and early 1980s.

Manufacturing Location:

Manufactured at the David Brown factory in Meltham, West Yorkshire, England.

🏆 Awards & Recognition

Tractor Reputation:

Known for its robustness, reliability, and good value for money in its class during its production run.

Industry Classification:

A highly regarded utility tractor for its era, appreciated by farmers for its work ethic and longevity.

Manual Certification:

Certified as authentic Factory Service and Operators Manuals, distinguishing them from unofficial or aftermarket publications.