The David Brown 1390 is a robust tractor, manufactured in England during the late 1970s to early 1980s. Known for its strong engineering and reliability, this model represents a significant advancement in David Brown's agricultural machinery, offering increased power and functionality. Designed for demanding agricultural tasks, the 1390 features a Perkins diesel engine, a manual transmission, and a dual-stage clutch for PTO operation, embodying the brand's legacy of producing dependable farm equipment.
This comprehensive workshop service and repair manual provides detailed guidance for maintaining and repairing the David Brown 1390 tractor. It covers a wide array of systems, including the engine, transmission, hydraulics, electrical components, cooling, fuel, braking, and steering systems, along with axles and the PTO. The manual includes periodic maintenance schedules, step-by-step repair and overhaul procedures, troubleshooting guides, diagnostic charts, and critical technical specifications such as torque values and timing procedures, making it an essential resource for professional technicians, mechanics, and owners.
Target Audience:
Professional technicians, DIY mechanics, tractor owners
Manual Advantage:
Instant download, cost-saving for labor
Original Source:
Written by manufacturers (original workshop manual)
Accuracy Completeness:
Most accurate and complete available
Manual Scope:
Comprehensive workshop service and repair
Estimated Pages:
Hundreds (based on product description implying extensive detail)
Manual Type:
Workshop Service Manual / Repair Manual
Manual Types Covered:
Service Manual, Repair Manual, Workshop Manual, Factory Service Manual
Transmission Service:
Yes
Hydraulic System:
Yes (implied by general repair and overhaul procedures)
Electrical System:
Yes (wiring diagrams usually included)
Frontend And Rear Axles:
Yes
Steering And Front Axle:
Yes
Rear Axle And Final Drives:
Yes
Hitch And Draft Control:
Yes
Periodic Maintenance:
Yes (periodic maintenance charts)
Step By Step Repairs:
Yes
Diagnostic Procedures:
Yes
Specifications And Tolerances:
Yes (critical for accurate repairs)
Electrical Troubleshooting Charts:
Yes
Depth Of Information:
Professional technician level with DIY accessibility
Rebuild Procedures:
Complete engine, transmission, and hydraulic system rebuilds
Diagnostic Charts:
Detailed troubleshooting flowcharts and symptom analysis
Torque Specifications:
All critical fasteners
Timing Procedures:
Engine valve and injection timing
Diagrams And Illustrations:
Hundreds of pages of diagrams and detailed information
File Quality:
High resolution, clear text and diagrams
Printable:
Full Printable
Zoom Capability:
Yes (Zoom IN/OUT)
Delivery Method:
Instant Download
Software Requirements:
Adobe PDF Reader & WinRAR
Operating Systems:
All Versions of Windows & Mac
Engine Manufacturer:
Perkins (Common for David Brown tractors of this era)
Engine Model:
Likely a Perkins 4.236 or similar 4-cylinder diesel (specific model in manual)
Engine Displacement:
Approximately 3.9 Liters (for Perkins 4.236)
Horsepower Approx:
60-70 HP (estimated for 1390 model)
Injection System:
Typically Bosch inline fuel injection pump
Transmission Type:
Manual gearbox with synchronized or unsynchronized options
Gear Configuration:
Likely 8 forward and 4 reverse gears or similar split-power transmission
Clutch Type:
Dual-stage clutch (for PTO operation)
Power Take Off Pto:
Standard 540 RPM PTO
Unladen Weight Approx:
2500-3000 kg (estimated)
Gross Vehicle Weight Rating Gvwr Approx:
5000-5500 kg (estimated)
Wheelbase Approx:
2100 mm (estimated)
Safety Standards:
Designed to meet agricultural machinery safety standards of its era
Braking System Type:
Hydraulically operated, enclosed wet disc brakes
Roll Over Protection:
ROPS (Roll-Over Protective Structure) typically available as an option or field-fitted
Infotainment System:
Basic, focused on functional operation (no modern infotainment)
Driver Assistance Features:
None (basic tractor controls)
Connectivity Options:
None
Engine Oil Change Interval:
Typically 250 hours (specified in manual)
Transmission Oil Change Interval:
Typically 1000 hours (specified in manual)
Air Filter Service:
Regularly depending on operating conditions (specified in manual)
Engine Oil Type:
API CD or CE rated diesel engine oil, SAE 15W-40 or 20W-50 recommended (specifics in manual)
Transmission Hydraulic Fluid:
Universal Tractor Transmission Oil (UTTO) or equivalent (specific grade in manual)
Coolant Type:
Ethylene glycol based antifreeze with corrosion inhibitors (specified in manual)
Common Wear Points:
Clutch wear, PTO clutch wear, hydraulic pump efficiency, injector pump calibration
Electrical Gremlins:
Can occur with age; wiring loom integrity and connector corrosion are common focus areas.
Diesel Particulate Matter:
Not applicable to this era of tractor; focus is on fuel system cleanliness and injector wear.
David Brown Legacy:
David Brown Tractors Ltd. was a prominent British manufacturer known for robust and reliable agricultural machinery.
David Brown 1390 Positioning:
The 1390 was part of David Brown's later range, offering increased power and features compared to earlier models.
Production Period Approx:
Late 1970s to early 1980s
Manufacturing Location:
Meltham, West Yorkshire, England
