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 Transmission specs

9 transmission 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.

How fast will a Farmall 450 go?

The fastest speed on record for a Farmall 450 is 16.8 mph (27 km/h). The gearbox itself is not on record yet.

Transmission — Farmall 450 Transmission
Drive2WDSource 1
Forward gears5–10the article lists alternatives
Reverse gears1–2the article lists alternatives
Transmission as described5 forward/1 reverse or 10 forward/2 reverseSource 1
ClutchPedal-actuated dry single-disc clutchSource 1Sources disagreePedal operated dry single-plate clutch (Traktorenlexikon, “IHC Farmall 450”)
Top speed forward16.8 mph · 27 km/h
Top speed reverse4.1 mph · 6.63 km/hhighest reverse speed printed in the article's speed tables
Service brakesPedal-operated disc brakes acting on differential side shaftsSource 1
SteeringMechanical gear steering

Source · Traktorenlexikon, “IHC Farmall 450”

Sources and how this page was built

9 transmission values from Traktorenlexikon, “Farmall Farmall 450”; and Traktorenlexikon, “IHC 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