• Rigid chassis
  • WhichTractor size: Standard-size
  • No lab test on file
  • 1969–1973
  • 1,690 built

It sits on the utility/standard-size boundary, so either size is a fair description. It was ranked on an engine power figure whose source does not say gross or net. WhichTractor size, not the maker’s category

J.I. Case 770 Engine specs

9 engine values on record for the 770.

Engine power, claimed · gross or net not stated

56.2 hp

41.9 kW as stated by the source

No lab test on file

Claimed · standard not stated by the source

Source · Traktorenlexikon, “Case 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?

A 770 has a CASE A 267, a 4-cylinder engine.

Engine — CASE A 267 specifications
Make & modelCASE A 267
Cylinders4
CoolingLiquid-cooled
Cylinders4
Displacement4.4–4.6 qt · 4.1–4.4 Lthe article lists alternatives
Bore4.1 in · 104.78 mm
Bore, optional4.0 in · 101.6 mm
Stroke5.0 in · 127 mm
Stroke, optional5.0 in · 127 mm
Rated engine speed1,900–2,000 rpmthe article lists alternatives

Source · Traktorenlexikon, “Case 770”

Sources and how this page was built

9 engine values from Traktorenlexikon, “Case 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: Case 770 — CC BY-SA 4.0, WIKIBOOKS-TL-115340 · revision 989862. Wikibooks contributors (Traktorenlexikon). Original document