International Harvester 4186 Transmission specs

The fastest speed on record for a 4186 is 18.6 mph (30 km/h). The gearbox itself is not on record yet.

10 transmission values on record for the 4186.

Engine power, claimed · gross or net not stated

150.9 hp

112.5 kW as stated by the source

No lab test on file

Claimed · standard not stated by the source

Source · Traktorenlexikon, “IHC 4186”, 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 4186 go?

The fastest speed on record for a 4186 is 18.6 mph (30 km/h). The gearbox itself is not on record yet.

Transmission — 4186 Transmission
Drive	4WD
Forward gears	8
Reverse gears	4
Transmission as described	8 forward/4 reverse
Top speed forward	18.6 mph · 30 km/h
Top speed reverse	6.7 mph · 10.86 km/hhighest reverse speed printed in the article's speed tables
Service brakes	Hydraulically operated disc brakes acting on differential side shafts
Steering	Hydraulic four-wheel steering with servo assistance
Differential lock	Mechanically operated differential lock
Front axle	Oscillating front axle

Source · Traktorenlexikon, “IHC 4186”

10 transmission values from Traktorenlexikon, “IHC 4186”.

Sources checked

14 SEP 2026

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

Traktorenlexikon: IHC 4186 — CC BY-SA 4.0, WIKIBOOKS-TL-119111 · revision 1036816. Wikibooks contributors (Traktorenlexikon). Original document