Search/Tractor/David Brown/3800 Selectamatic

Embed

Paste on your site — shows live UK/US specs and links back here. Free to use.

<iframe src="https://farmfleetspecs.com/embed/david-brown-3800-selectamatic" width="100%" height="430" loading="lazy" style="border:1px solid #e6e8e4;border-radius:14px;max-width:560px" title="David Brown 3800 Selectamatic specs — FarmFleetSpecs"></iframe>

Tractor · 1968Unverified

David Brown 3800 Selectamatic

Name: David Brown 3800 Selectamatic
Brand: David Brown

David Brown 3800 Selectamatic — Utility tractor · 39 hp. Reference specifications; pending source verification.

The David Brown 3800 Selectamatic is a tractor model with a rated power of 39 hp, positioned at the lighter end of its class. Manufactured from 1968 to 1971, this tractor is equipped with a 3-cylinder petrol liquid-cooled engine, paired with two-wheel drive and a 6-speed gearbox. The operating weight of the 3800 Selectamatic is 1762 kg, and it is suitable for operations on up to 200 acres.

Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.

Rated power

39 hp

Max power

24.0 kW

Weight

1762 kg

Catalogue coverage

Variants represented

Richest spec table

79 rows

Recorded power

39 hp

Recorded weight

1762 kg

Transmissions

6-speed gear

Production years

1968-1971

Verified variants

No linked source document is currently displayed; verify critical figures with the manufacturer or dealer.

Hover a source tag to verify

Overview

ManufacturerDavid BrownReference

Utility tractorReference

Built in Meltham Mills, Huddersfield, EnglandReference

Original price$4,000 (1971)Reference

Two-wheel driveReference

Final drivesspur gearReference

Differential lockrear diff lock standardReference

SteeringmanualReference

Steeringpower-assist optionalReference

Mechanical shoe brakesReference

Open operating station.Reference

Engine

David Brown 2.4L 3-cyl gasolineReference

Drawbar (tested)24.0 kWReference

David BrownReference

gasolineReference

3-cylinderReference

liquid-cooledReference

Displacement2.4 LReference

Bore/Stroke100 x 102 mmReference

Air cleaneroil bathReference

Compression6.75:1Reference

Rated RPM2200Reference

Operating RPM700-2200Reference

Torque155.9 NmReference

Torque RPM1400Reference

Starter volts12Reference

Oil capacity6.4 LReference

Coolant capacity8.5 LReference

Power at rated engine speed29.2 kWReference

Max power24.0 kWReference

Transmission

6-speed gearReference

12-speed gearReference

TypegearReference

Gears6 forward and 2 reverseReference

Clutchdry discReference

Oil capacity22.7 LReference

Gears12 forward and 4 reverseReference

PTO & Hydraulics

PTO (claimed)29.1 kWReference

PTO (tested)29.2 kWReference

Hydraulic system22.7 LReference

TypeSelectamaticReference

Capacity22.7 LReference

Pressure137.9 barReference

Pump flow27.6 lpmReference

Rear TypeIReference

Controlposition and draft controlReference

Rear lift (at ends)725 kgReference

Rear lift (at ends)884 kgReference

Rear PTOliveReference

Rear PTO Type540/1000Reference

Power at rated PTO speed27.8 kWReference

Capacities

Fuel36.0 LReference

Dimensions

Wheelbase193 cmReference

Weight1762 kgReference

Front tire6.00-16Reference

Rear tire13.6/12-28Reference

Ag front6.00-16Reference

Ag rear13.6/12-28Reference

Ag front14.9/13-24Reference

Ag front14.9/13-28Reference

Length293 cmReference

Width163 cmReference

Height (hood)130 cmReference

Operating weight1762 kgReference

Ballasted weight2646 kgReference

Clearance (front axle)44 cmReference

Clearance (drawbar)29 cmReference

Front tread121 to 182 cmReference

Rear tread121 to 193 cmReference

Rear tread152 to 203 cmReference

Test results

Gasoline 6-speed 2WDSeptember 2 - 11, 1969Link: Nebraska Tractor Test 1018 fileReference

PTO performanceReference

Fuel use13.6 l/hourReference

Fuel use12.5 l/hourReference

Drawbar performanceReference

Fuel use12.9 l/hourReference

Gear 3 used for power test.Reference

Max pull2004 kgReference

Gear 1 used for pull test.Reference

Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.

Partner tool · Free

Working out if you can afford this tractor?

YourIncomeCalculator.com — free, HMRC-aligned take-home pay, self-employment & VAT calculators. No sign-up.

Calculate your take-home pay

Recommended kit

Handy kit for owners

Popular tractor and farm accessories owners pick up for machines like this.

Disclosure: some links on this page are affiliate links. If you buy through them we may earn a small commission — at no extra cost to you. Learn more.