Application:
Agricultural tractor designed for a range of farming tasks, including cultivation, planting, harvesting, and material handling.
Era Competitors:
Competed with tractors from manufacturers like Massey Ferguson, Ford, John Deere, and International Harvester during its production run.
Powertrain:
Known for its robust diesel engines and durable transmission systems.
Hydraulic Performance:
Typically featured a reliable hydraulic system for operating implements.
Operator Comfort:
Offered a functional operator station for the period, with options for enhanced comfort features.
David Brown Legacy:
David Brown was renowned for producing reliable and powerful tractors, often characterized by their distinctive styling and engineering.
Parts Catalog Coverage:
Comprehensive coverage of all factory-specified parts for the David Brown 1390 Tractor.
Special Equipment Catalog Coverage:
Detailed parts breakdown for special equipment and optional attachments compatible with the David Brown 1390 Tractor.
Parts Catalog Page Count:
Estimated 200-300 pages (typical for this era/type of tractor)
Special Equipment Catalog Page Count:
Estimated 50-150 pages (typical for this era/type of tractor)
Primary Manual Type:
Illustrated Parts Catalog (IPC)
Secondary Manual Type:
Special Equipment Parts Catalog
Engine Systems:
Engine assembly, cylinder head, block, crankshaft, pistons, connecting rods, camshaft, valve train, cooling system, lubrication system, fuel system (injection pump, injectors), intake and exhaust manifolds.
Transmission Systems:
Gearbox assembly, clutch, PTO shaft, differential, final drives, shifting mechanisms.
Hydraulic Systems:
Hydraulic pump, control valve, lift arms, draft control, auxiliary hydraulic outlets, cylinders, hoses, filters.
Electrical Systems:
Starter motor, alternator, battery, lighting (headlights, taillights, work lights), wiring harnesses, gauges, switches.
Chassis And Frame:
Front axle, rear axle, steering system (mechanical/power assist), brakes (disc/drum, master cylinder, calipers/wheel cylinders), drawbar, hitch components.
Bodywork And Operator Station:
Fenders, hood, operator seat, controls, dashboard, rollover protection structure (if applicable), ballast weights.
Power Take Off Pto:
PTO shaft assembly, PTO clutch, PTO engagement mechanisms.
Special Equipment Coverage:
Front-end loaders, mower conditioners, balers, sprayers, other implement-specific parts.
Parts Identification:
Detailed diagrams with exploded views and part numbers for accurate identification and ordering.
Assembly Disassembly Guidance:
Illustrations that indirectly guide on assembly and disassembly for parts replacement.
Interchangeability Notes:
May include notes on superseded or interchangeable part numbers.
Special Equipment Fitting:
Parts for mounting and operating specific implements.
Depth:
Component-level breakdown for parts sourcing and replacement. Does not typically include diagnostic procedures or repair steps, but is essential for them.
Engine Type:
Direct Injection Diesel Engine
Engine Manufacturer:
David Brown
Engine Model Designation:
Likely based on David Brown's own engine families, e.g., a 3- or 4-cylinder diesel.
Horsepower Rating:
Approx. 60-75 PTO horsepower (exact rating may vary by specific engine variant within the 1390 model line).
Torque Characteristics:
Designed for strong low-end torque essential for agricultural pulling power.
Fuel Injection System:
Inline or rotary injection pump, typically Lucas-CAV or similar, with individual injectors.
Cooling Method:
Liquid-cooled, typically water-glycol mixture.
Lubrication Type:
Pressurized wet-sump lubrication.
Transmission Type:
Constant mesh gearbox with multiple forward and reverse gears.
Gear Configuration:
Likely offered 8x2 or 10x2 speed configurations (forward x reverse).
Clutch Type:
Dual-stage clutch (one for transmission, one for PTO).
Pto Options:
Standard rear PTO, possibly with multi-speed options (e.g., 540/1000 RPM).
Wheelbase:
Varies by configuration but typically around 80-90 inches (2030-2286 mm).
Overall Length:
Approx. 140-160 inches (3556-4064 mm) excluding implements.
Overall Width:
Approx. 70-80 inches (1778-2032 mm) at rear wheels, depending on track setting.
Operating Weight:
Approx. 5,000 - 6,500 lbs (2268 - 2948 kg) without ballast.
Front Axle Capacity:
Designed to support front-end loader and engine weight.
Rear Axle Capacity:
Engineered for heavy draft loads and implement weight.
Engine Oil Change:
Typically every 250 hours of operation (refer to manual for specific intervals and oil type).
Air Filter Service:
Check at 100-150 hours, replace as needed.
Fuel Filter Replacement:
Replace annually or every 500 hours.
Transmission Oil Change:
Typically every 1000 hours (refer to manual for specific intervals and fluid type).
Engine Oil Specification:
API CD or higher, SAE 15W-30 or 20W-40 (verify in original manual).
Transmission Hydraulic Fluid:
Typically a Type Universal Tractor Transmission Oil (UTTO) or equivalent, e.g., Case IH MS-1207 or equivalent.
Coolant Specification:
50/50 mix of permanent antifreeze and clean water.
Common Wear Items:
Wear on PTO clutch, hydraulic pump seals, and clutch plates due to age and heavy use.
Engine Reliability:
David Brown engines are generally robust, but like any older engine, may require attention to fuel injection system calibration and potential leaks.
Electrical Corrosion:
Corrosion on electrical connections and wiring due to environmental exposure is a common concern for tractors of this age.
David Brown Legacy:
David Brown Tractors Ltd. was a British manufacturer with a long history dating back to the early 20th century, known for its innovation and robust agricultural machinery.
1390 Lineage:
The 1390 was part of David Brown's '80 Series' or similar range, succeeding earlier models and evolving from their core engineering principles.
Production Period:
Likely produced in the late 1970s and early 1980s.
Manufacturing Location:
United Kingdom
Case Acquisition:
David Brown was acquired by Tenneco (owner of Case) in 1971, leading to the eventual branding of some models as Case David Brown before a full integration into the Case IH brand.
Brand Reputation:
David Brown tractors are historically recognized for their sturdy construction, powerful engines, and reliability in demanding agricultural environments.
Performance Legacy:
The 1390 model represented a solid performer in its class, offering a good balance of power and utility for its time.
Manufacturing Standards:
Manufactured to British agricultural engineering standards prevalent during the production period.
