• Rigid chassis
  • WhichTractor size: Utility
  • No lab test on file
  • 1968–1971
  • 522 built

WhichTractor size, not the maker’s category

David Brown 3800 Selectmatic Engine specs

9 engine values on record for the 3800 Selectmatic.

Engine power, claimed · gross or net not stated

42.0 hp

31.3 kW as stated by the source

No lab test on file

Claimed · standard not stated by the source

Source · Traktorenlexikon, “David Brown 3800”, claimed

This is the maker’s own figure, measured at the engine. Power at the PTO is lower — by how much, for this machine, nobody has measured.

What are the engine specifications of a 3800 Selectmatic?

A 3800 Selectmatic has a David Brown engine; its type is not on record.

Engine — 3800 Selectmatic Engine
Engine makerDavid Brown
CoolingLiquid-cooled
Maximum torque115 lb·ft · 156 N·m
Maximum torque speed1,400 rpm
Air cleanerA.C. oil-bath air filter
Cylinders3
Displacement2.5 qt · 2.4 L
Bore3.9 in · 100.1 mm
Rated engine speed2,200 rpm

Source · Traktorenlexikon, “David Brown 3800”

Sources and how this page was built

9 engine values from Traktorenlexikon, “David Brown 3800”.

Sources checked

14 SEP 2026

Spotted an error?

Sources

Facts taken from these documents, units converted. Numbers beside a figure refer to this list. Licences and attribution

  1. Traktorenlexikon: David Brown 3800 — CC BY-SA 4.0, WIKIBOOKS-TL-115982 · revision 990057. Wikibooks contributors (Traktorenlexikon). Original document