• Vehicle type: unspecified
  • WhichTractor size: Standard-size
  • No lab test on file
  • 1923–1940
  • 17,918 built

WhichTractor size, not the maker’s category

International Harvester 10-20 Industrial Transmission specs

10 transmission values on record for the 10-20 Industrial.

Engine power, claimed · gross or net not stated

27.5 hp

20.5 kW as stated by the source

No lab test on file

Claimed · standard not stated by the source

Source · Traktorenlexikon, “McCormick 10-20 Industrial”, 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 10-20 Industrial go?

The fastest speed on record for a 10-20 Industrial is 5.0 mph (8.0 km/h). The gearbox itself is not on record yet.

Transmission — 10-20 Industrial Transmission
Drive2WDSource 2
Forward gears3
Reverse gears1
Transmission as described3 forward/1 reverse
ClutchPedal-operated dry single-disc clutchSource 2Sources disagreePedal-operated dry single-plate clutch (Traktorenlexikon, “IHC 10-20 Industrial”)
Top speed forward5.0 mph · 8.0 km/h
Top speed reverse3.0 mph · 4.83 km/hhighest reverse speed printed in the article's speed tables
Service brakesHand lever operated transmission brakeSource 2
SteeringMechanically operated worm gear
Front axleSteel front axle with fixed track widthSource 2

Source · Traktorenlexikon, “IHC 10-20 Industrial”

Sources and how this page was built

10 transmission values from Traktorenlexikon, “McCormick 10-20 Industrial”; and Traktorenlexikon, “IHC 10-20 Industrial”.

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: IHC 10-20 Industrial — CC BY-SA 4.0, WIKIBOOKS-TL-118688 · revision 1031886. Wikibooks contributors (Traktorenlexikon). Original document
  2. Traktorenlexikon: McCormick 10-20 Industrial — CC BY-SA 4.0, WIKIBOOKS-TL-117708 · revision 1018115. Wikibooks contributors (Traktorenlexikon). Original document