International Harvester D-514 Transmission specs

The fastest speed on record for a D-514 is 15.5 mph (25 km/h). The gearbox itself is not on record yet.

10 transmission values on record for the D-514.

Engine power, claimed · gross or net not stated

52 hp

39 kW as stated by the source

No lab test on file

Claimed · standard not stated by the source

Source · Traktorenlexikon, “McCormick D-514”, 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 D-514 go?

The fastest speed on record for a D-514 is 15.5 mph (25 km/h). The gearbox itself is not on record yet.

Transmission — D-514 Transmission
Drive	2WD
Forward gears	10
Reverse gears	2
Transmission as described	10 forward/2 reverse
Clutch	Pedal operated dry single plate clutch
Top speed forward	15.5 mph · 25 km/h
Top speed reverse	2.2 mph · 3.5 km/hhighest reverse speed printed in the article's speed tables
Steering	Mechanical steering with hydraulic power assist
Differential lock	Mechanically operated differential lock
Front axle	Oscillating, extendable front axle

Source · Traktorenlexikon, “McCormick D-514”

10 transmission values from Traktorenlexikon, “McCormick D-514”.

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 D-514 — CC BY-SA 4.0, WIKIBOOKS-TL-118067 · revision 1059874. Wikibooks contributors (Traktorenlexikon). Original document