WhichTractor
  • Vehicle type: unspecified
  • WhichTractor size: Standard-size
  • No lab test on file
  • 1956–1958
  • 25,589 built

It sits on the standard-size/high-power 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

International Harvester Farmall 450 Engine specs

8 engine values on record for the Farmall 450.

Engine power, claimed · gross or net not stated

51.2 hp

38.2 kW as stated by the source

No lab test on file

Claimed · standard not stated by the source

Source · Traktorenlexikon, “IHC Farmall 450”, 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 Farmall 450?

A Farmall 450 has a INTERNATIONAL HARVESTER C-281, a 4-cylinder 4.60 L engine.

Engine — INTERNATIONAL HARVESTER C-281 specifications
Make & modelINTERNATIONAL HARVESTER C-281
Cylinders4
Displacement280.6 ci · 4.60 L
CoolingLiquid-cooled
Air cleanerDonalson oil-bath air cleaner
Cylinders4
Displacement4.9 qt · 4.6 LSource 1
Bore4.1 in · 104.78 mmSource 1
Stroke5.3 in · 133.35 mmSource 1
Rated engine speed1,450 rpmSource 1

Source · Traktorenlexikon, “IHC Farmall 450”

Sources and how this page was built

8 engine values from Traktorenlexikon, “IHC Farmall 450”; and Traktorenlexikon, “Farmall Farmall 450”.

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: Farmall Farmall 450 — CC BY-SA 4.0, WIKIBOOKS-TL-118377 · revision 1054984. Wikibooks contributors (Traktorenlexikon). Original document
  2. Traktorenlexikon: IHC Farmall 450 — CC BY-SA 4.0, WIKIBOOKS-TL-118376 · revision 1055544. Wikibooks contributors (Traktorenlexikon). Original document