WhichTractor
  • Vehicle type: unspecified
  • WhichTractor size: Standard-size
  • Not independently tested
  • 1921–1929
  • 128,125 built

WhichTractor size, not the maker’s category

International Harvester 15-30 Transmission specifications

9 transmission values on record for the 15-30.

Engine power, claimed · gross or net not stated

29.6 hp

22.1 kW as stated by the source

Not independently tested

Claimed · standard not stated by the source

Source · Traktorenlexikon, “McCormick 15-30”, claimed

How fast will a 15-30 go?

The fastest speed on record for a 15-30 is 4.3 mph (7.0 km/h). The gearbox itself is not on record yet.

Transmission — 15-30 Transmission
Drive2WDSource 2
Forward gears3
Reverse gears1
Transmission as described3 forward/1 reverse
ClutchPedal operated multi-disc clutchSource 2Sources disagreePedal-operated multi-plate clutch (Traktorenlexikon, “IHC 15-30”)
Top speed forward4.3 mph · 7.0 km/h
Top speed reverse2.8 mph · 4.43 km/hhighest reverse speed printed in the article's speed tables
Service brakesHand lever operated transmission brakeSource 2Sources disagreeHand lever-operated transmission brake (Traktorenlexikon, “IHC 15-30”)
Front axleSteel front axle with fixed track widthSource 2

Source · Traktorenlexikon, “IHC 15-30”

Where this page comes from

9 transmission values from Traktorenlexikon, “IHC 15-30”; and Traktorenlexikon, “McCormick 15-30”.

Last verified

Not yet verified

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 15-30 — CC BY-SA 4.0, WIKIBOOKS-TL-118689 · revision 1031887. Wikibooks contributors (Traktorenlexikon). Original document
  2. Traktorenlexikon: McCormick 15-30 — CC BY-SA 4.0, WIKIBOOKS-TL-117715 · revision 1059870. Wikibooks contributors (Traktorenlexikon). Original document