The David Brown 1390 is a robust agricultural tractor, produced likely in the late 1970s to early 1980s, representing a lineage of dependable British engineering. Known for their strong engines and solid construction, David Brown tractors of this era were designed for demanding farm work. The 1390, estimated to have a diesel engine displacement of around 3.5 to 4.0 liters and producing approximately 70-80 PTO horsepower, embodies this heritage. Its manual transmission, likely featuring multiple forward and reverse gears, coupled with a substantial operating weight, makes it a capable machine for a variety of agricultural tasks.
This comprehensive factory service repair manual provides detailed information for the David Brown 1390. It covers essential areas including general information, technical specifications, engine, cooling system, fuel system, power train, clutch, transmission, front and rear axles, brakes, electrical system, and hydraulic system. The manual offers complete disassembly and reassembly instructions, standard maintenance procedures, and troubleshooting guidance, all presented with step-by-step instructions and hundreds of photos and illustrations. This resource is designed to assist both do-it-yourself owners and experienced mechanics in maintaining and repairing the vehicle effectively.
Product Type:
Service Repair Manual
Product Format:
PDF Download
Target Audience:
Do-it-yourself owners and experienced mechanics
Advantage Over Print:
More convenient, less expensive, printable selectively
Completeness:
Complete official full factory service repair manual
Accessibility:
Downloadable, accessible on multiple devices
Cost Effectiveness:
Inexpensive way to keep vehicle working properly, saves on mechanic costs
Durability:
Digital format avoids wear and tear of paper manuals
General Information:
True
Fenders Fuel Tank Platform:
True
Main Drive Bevel Gears Differential:
True
Power Steering System:
True
Estimated Pages:
Hundreds
Type:
Factory Service Repair Workshop Manual
Compatibility:
Windows, Mac, Smartphones, Tablets (via browser)
Printability:
Yes (all pages)
PDF Reader:
Adobe PDF Reader (Free)
Compression Utility:
Winzip (Free)
Powertrain Systems:
Engine, Cooling System, Fuel System, Clutch, Transmission, Power Take-Off, Final Drive, Rear Axle, Front Axle, Front-Wheel Drive
Chassis And Body Systems:
Brakes, Steering Gear, Power Steering System, Fenders, Fuel Tank & Platform, Front System
Electrical And Hydraulic Systems:
Electrical System, Hydraulic System
Repair Procedures:
Complete disassembly and reassembly instructions
Maintenance Procedures:
Standard maintenance, routine checks, lubrication
Troubleshooting:
Implied through detailed explanations and diagnostics
Depth Level:
Comprehensive factory-level detail, suitable for DIY and experienced mechanics
Illustrations:
Hundreds of photos and illustrations
Documentation Style:
Step-by-step instructions
Print Feature:
Printable pages
Binding:
N/A (Digital Format)
Paper Type:
N/A (Digital Format)
Engine Type:
Diesel (details vary based on specific 1390 sub-model, likely British Leyland/Perkins origin)
Displacement:
Typically around 3.5 - 4.0 Liters (common for David Brown tractors of this era, e.g., 3.5L 4-cylinder or 4.0L 4-cylinder Perkins variants)
Horsepower Range:
Approx. 70-80 PTO horsepower (estimated for the 1390 model)
Torque:
Details not provided, but would be robust for agricultural applications
Injection System:
Direct Injection (typical for diesel engines of this period)
Transmission Type:
Manual (likely David Brown's own gearbox, possibly with synchromesh)
Gear Options:
Multiple forward and reverse gears (specific count varies, but commonly 12 forward x 4 reverse or similar options with a high/low range)
Operating Weight:
Approx. 3500-4000 kg (estimated for tractor only, without ballast)
Features:
Basic operator controls, analog gauges (no modern infotainment)
Engine Oil Change:
Refer to manual for specific interval (typically 250-500 hours for diesel)
Hydraulic Oil Change:
Refer to manual for specific interval (typically annual or 500-1000 hours)
Engine Oil:
Refer to manual (likely API CD or CE grade, SAE 15W-40 or 20W-50)
Hydraulic Transmission Oil:
Refer to manual (likely UTF - Universal Tractor Transmission Fluid or specific David Brown approved oil, e.g., Case/IH Hy-Tran)
Coolant:
Refer to manual (typically ethylene glycol based antifreeze mixture)
Common Wear Points:
Clutch wear, hydraulic pump efficiency, seal leaks, PTO clutch wear
Electrical Concerns:
Wiring harness degradation, starter motor issues (common in older machinery)
Manufacturer:
David Brown Tractors Ltd., UK (later part of Tenneco International/Case IH)
Production Period:
Likely late 1970s to early 1980s
Manufacturing Location:
Meltham, Yorkshire, UK (primary)
Industry Standing:
David Brown tractors were known for robust build quality and strong engines
