Introduction
David Brown 3800 Utility Tractor
The David Brown 3800 is a utility tractor produced in Meltham Mills, Huddersfield, England, between 1968 and 1971. Part of the 4600 series, this machine was designed as a versatile platform for general agricultural operations, offering a power output of 43 hp.
Engine and Performance
The tractor is powered by a 3-cylinder, liquid-cooled David Brown gasoline engine with a displacement of 146.1 cubic inches (2.4 L). It features an oil bath air cleaner and operates at a rated RPM of 2200, delivering 115 lb-ft of torque at 1400 RPM. The engine cooling system has a capacity of 9 quarts (8.5 L), and the oil capacity is 6.75 quarts (6.4 L).
Transmission and Drivetrain
The 3800 utilizes a gear-type transmission with a dry disc clutch. It was available with two configurations: a 6-speed (6 forward, 2 reverse) or a 12-speed (12 forward, 4 reverse) setup. The drivetrain is a two-wheel drive system equipped with a standard rear differential lock to improve traction in field conditions, and it utilizes spur gear final drives.
Hydraulics and Hitch
Equipped with the Selectamatic hydraulic system, the tractor provides a pump flow of 7.3 gpm (27.6 lpm) at a pressure of 2000 psi (137.9 bar). It features a Category I rear hitch with both position and draft control. The rear lift capacity is rated at 1600 lbs (725 kg) for working operations, with a static capacity of 1950 lbs (884 kg).
Dimensions and Ergonomics
The tractor features an open operating station with manual steering, which could be upgraded with optional power-assist. It weighs 3885 lbs (1762 kg) in its operating configuration, with the ability to be ballasted up to 5835 lbs (2646 kg). The wheelbase measures 76 inches (193 cm), providing a stable footprint for general utility tasks.
Conclusion
The David Brown 3800 is a reliable, compact utility tractor suited for a variety of medium-duty agricultural tasks. Its combination of the Selectamatic hydraulic system, multiple transmission options, and adjustable tread widths makes it a functional choice for farmers requiring a straightforward and serviceable machine.
Production Information of David Brown, 3800
- Utility tractor
- Built in Meltham Mills, Huddersfield, England
| Manufacturer | David Brown |
|---|---|
| Original price | $4,000 (1971) |
Dimension and Tires Information of David Brown, 3800
| Rear tread | 60 to 80 inches [152 to 203 cm (PAVT)] |
|---|---|
| Wheelbase | 76 inches [193 cm] |
| Operating weight | 3885 lbs [1762 kg] |
| Height (hood) | 51.25 inches [130 cm] |
| Length | 115.625 inches [293 cm] |
| Clearance (drawbar) | 11.75 inches [29 cm] |
| Ballasted weight | 5835 lbs [2646 kg] |
| Width | 64.5 inches (min) [163 cm] |
| Rear tread | 48 to 76 inches [121 to 193 cm] |
| Front tread | 48 to 72 inches [121 to 182 cm] |
| Clearance (front axle) | 17.5 inches [44 cm] |
| Ag front | 6.00-16 |
|---|---|
| Ag front(optional) | 14.9/13-28 |
| Ag rear | 13.6/12-28 |
| Ag front | 14.9/13-24 |
Engine Specifications of David Brown, 3800
- David Brown
- Liquid-cooled
- Gasoline
- 3-cylinder
| Coolant capacity | 9 qts [8.5 L] |
|---|---|
| Compression | 6.75:1 |
| Rated RPM | 2200 |
| Torque | 115 lb-ft [155.9 Nm] |
| Operating RPM | 700-2200 |
| Displacement | 146.1 ci [2.4 L] |
| Air cleaner | Oil bath |
| Bore/Stroke | 3.939x4.000 inches [100 x 102 mm] |
| Oil capacity | 6.75 qts [6.4 L] |
| Starter volts | 12 |
| Torque RPM | 1400 |
Transmission Information of David Brown, 3800
Transmission variants 1
| Type | Gear |
|---|---|
| Oil capacity | 24 qts [22.7 L] |
| Gears | 6 forward and 2 reverse |
| Clutch | Dry disc |
Transmission variants 2
| Type | Gear |
|---|---|
| Oil capacity | 24 qts [22.7 L] |
| Gears | 12 forward and 4 reverse |
| Clutch | Dry disc |
- 6-speed gear
- 12-speed gear
Mechanical Specs of David Brown, 3800
- Open operating station.
- Two-wheel drive
- Mechanical shoe brakes
| Steering | Manual |
|---|---|
| Final drives | Spur gear |
| Differential lock | Rear diff lock standard |
Power Information of David Brown, 3800
| Rear PTO | Live |
|---|---|
| Rear PTO Type | 540/1000 |
Hydraulics Specifications of David Brown, 3800
| Type | Selectamatic |
|---|---|
| Pump flow | 7.3 gpm [27.6 lpm] |
| Capacity | 6 gal [22.7 L] |
| Pressure | 2000 psi [137.9 bar] |
Three-Point Hitch of David Brown, 3800
| Rear Type | I |
|---|---|
| Rear Type(optional) | 1950 lbs (static) [884 kg] |
| Control | Position and draft control |
| Rear lift (at ends) | 1600 lbs (working) [725 kg] |
Where it sits
With 43 hp[P] HP, the David Brown 3800 sits just below 4600 (51 HP) in David Brown's range. Its power puts it in the 40th percentile of 1960s models in our database (709 machines).
Frequently asked questions
How much horsepower does the David Brown 3800 have?
The David Brown 3800 delivers 43 hp[P] HP.
What years was the David Brown 3800 produced?
The David Brown 3800 was produced in 1968-1971.
What engine does the David Brown 3800 have?
The David Brown 3800 is powered by a Gasoline, 3-cylinder engine.
What transmission does the David Brown 3800 use?
The David Brown 3800 uses a Gear transmission.
How much does the David Brown 3800 weigh?
The David Brown 3800 weighs 3885 lbs [1762 kg].
Is the David Brown 3800 4WD?
The David Brown 3800 is available in 2WD.