WhichTractor
  • WhichTractor size: Standard-size
  • Not independently tested
  • 1972–1976
  • 9,367 built

WhichTractor size, not the maker’s category

International Harvester 666 Transmission specifications

11 transmission values on record for the 666.

Engine power, claimed · gross or net not stated

66.1 hp

49.3 kW as stated by the source

Not independently tested

Claimed · standard not stated by the source

Source · Traktorenlexikon, “IHC 666”, claimed

How fast will a 666 go?

The fastest speed on record for a 666 is 18.6 mph (30 km/h). The gearbox itself is not on record yet.

Transmission — 666 Transmission
Drive2WDSource 1
Forward gears5–10the article lists alternatives
Reverse gears1–2Source 1the article lists alternatives
Transmission as described5 forward/1 reverse, 10 forward/2 reverse and stepless
Stepless transmissionCVTSource 1
ClutchPedal-operated dry single-plate clutchSource 1
Top speed forward18.6 mph · 30 km/h
Top speed reverse9.7 mph · 15.69 km/hhighest reverse speed printed in the article's speed tables
Service brakesHydraulically operated disc brakes acting on differential side shaftsSources disagreeHydraulically operated disc brakes acting on the differential side shafts (Traktorenlexikon, “Farmall Farmall 666”)
Differential lockMechanically operated differential lockSource 1
Front axleOscillating, extendable front axle

Source · Traktorenlexikon, “IHC 666”

Where this page comes from

11 transmission values from Traktorenlexikon, “IHC 666”; and Traktorenlexikon, “Farmall Farmall 666”.

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: Farmall Farmall 666 — CC BY-SA 4.0, WIKIBOOKS-TL-118860 · revision 1034709. Wikibooks contributors (Traktorenlexikon). Original document
  2. Traktorenlexikon: IHC 666 — CC BY-SA 4.0, WIKIBOOKS-TL-118859 · revision 1034710. Wikibooks contributors (Traktorenlexikon). Original document