International Harvester CUB Transmission specs

The fastest speed on record for a CUB is 6.2 mph (10 km/h). The gearbox itself is not on record yet.

8 transmission values on record for the CUB.

Engine power, claimed · gross or net not stated

8.9 hp

6.6 kW as stated by the source

No lab test on file

Claimed · standard not stated by the source

Source · Traktorenlexikon, “McCormick Farmall Cub”, 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 CUB go?

The fastest speed on record for a CUB is 6.2 mph (10 km/h). The gearbox itself is not on record yet.

Transmission — CUB Transmission
Drive	2WD
Forward gears	3
Reverse gears	1
Transmission as described	3 forward/1 reverse
Clutch	Pedal operated dry ROCKFORD single disc clutch
Top speed forward	6.2 mph · 10 km/h
Top speed reverse	2.4 mph · 3.84 km/hhighest reverse speed printed in the article's speed tables
Steering	Mechanical worm steering with center steering

Source · Traktorenlexikon, “McCormick Farmall Cub”

8 transmission values from Traktorenlexikon, “McCormick Farmall Cub”.

Sources checked

14 SEP 2026

Facts taken from these documents, units converted. Numbers beside a figure refer to this list. Licences and attribution

Traktorenlexikon: McCormick Farmall Cub — CC BY-SA 4.0, WIKIBOOKS-TL-117791 · revision 1078388. Wikibooks contributors (Traktorenlexikon). Original document