• Rigid chassis
  • WhichTractor size: High-power
  • No lab test on file
  • 1959–1969

WhichTractor size, not the maker’s category

J.I. Case 931 GP Engine specs

8 engine values on record for the 931 GP.

Engine power, claimed · gross or net not stated

83.0 hp

61.9 kW as stated by the source

No lab test on file

Claimed · standard not stated by the source

Source · Traktorenlexikon, “Case 931”, 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 931 GP?

A 931 GP has a Case engine; its type is not on record.

Engine — 931 GP Engine
Engine makerCase
CoolingLiquid-cooled
Air cleanerOil bath air filter
Cylinders6
Displacement6.9 qt · 6.6 L
Bore4.1 in · 104.78 mm
Stroke5.0 in · 127 mm
Rated engine speed1,800–2,000 rpmthe article lists alternatives

Source · Traktorenlexikon, “Case 931”

Sources and how this page was built

8 engine values from Traktorenlexikon, “Case 931”.

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 931 — CC BY-SA 4.0, WIKIBOOKS-TL-115324 · revision 989844. Wikibooks contributors (Traktorenlexikon). Original document