• Rigid chassis
  • WhichTractor size: Utility
  • No lab test on file
  • 1965–1970
  • 12,205 built

WhichTractor size, not the maker’s category

David Brown 770 Selematic Engine specs

12 engine values on record for the 770 Selematic.

Engine power, claimed · gross or net not stated

33.0 hp

24.6 kW as stated by the source

No lab test on file

Claimed · standard not stated by the source

Source · Traktorenlexikon, “David Brown 770”, 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 engine is in a 770 Selematic?

A 770 Selematic has a DAVID BROWN AD 3/49 A (B), a 3-cylinder 2.39 L diesel engine.

Engine — DAVID BROWN AD 3/49 A (B) specifications
Make & modelDAVID BROWN AD 3/49 A (B)
FuelDiesel
Cylinders3
Displacement146.1 ci · 2.39 L
CoolingLiquid-cooled
Fuel injectionDirect injection
Maximum torque101 lb·ft · 137 N·m
Maximum torque speed1,200 rpm
Air cleanerA.C. oil-bath air cleaner
Cylinders3
Displacement2.5 qt · 2.4 L
Bore3.9 in · 100.1 mm
Stroke4.0 in · 101.6 mm
Rated engine speed2,000 rpm

Source · Traktorenlexikon, “David Brown 770”

Sources and how this page was built

12 engine values from Traktorenlexikon, “David Brown 770”.

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 770 — CC BY-SA 4.0, WIKIBOOKS-TL-75660 · revision 1082882. Wikibooks contributors (Traktorenlexikon). Original document