Case-IH STX 440 Transmission specifications

The fastest speed on record for an STX 440 is 18.6 mph (30 km/h). The gearbox itself is not on record yet.

10 transmission values on record for the STX 440.

Engine power, claimed · gross or net not stated

434.0 hp

323.6 kW as stated by the source

Not independently tested

Claimed · standard not stated by the source

Source · Traktorenlexikon, “Case-IH STX 440”, claimed

How fast will an STX 440 go?

The fastest speed on record for an STX 440 is 18.6 mph (30 km/h). The gearbox itself is not on record yet.

Transmission — STX 440 Transmission
Drive	4WD / 4WD, equal wheels^{Source 1}Varies by configuration
Forward gears	17
Reverse gears	2
Transmission as described	17 forward/2 reverse
Clutch	Multi-disc clutch running in an oil bath
Top speed forward	18.6 mph · 30 km/h
Top speed reverse	8.2 mph · 13.15 km/hhighest reverse speed printed in the article's speed tables
Service brakes	Pedal-operated hydraulic wet disc brake acting on the rear axle
Steering	Hydrostatic Eaton steering series 25
Differential lock	Multi-disc self-locking differential

Source · Traktorenlexikon, “Case-IH STX 440”

10 transmission values from Traktorenlexikon, “Case-IH STX 440”; and OECD test report 1957, 2001.

Last verified

Not yet verified

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

OECD Code 2 test report 2/1 957: Case IH STX 440 — Licence not stated by the publisher; facts cited, OECD-1957 · published 2001-05-31 · retrieved 2026-09-14. OECD. Original document
Traktorenlexikon: Case-IH STX 440 — CC BY-SA 4.0, WIKIBOOKS-TL-115864 · revision 985168. Wikibooks contributors (Traktorenlexikon). Original document