• Rigid chassis
  • WhichTractor size: Utility
  • No lab test on file
  • 1982–1986

It was ranked on an engine power figure whose source does not say gross or net. WhichTractor size, not the maker’s category

Fiat 666 (DT) Transmission specs

11 transmission values on record for the 666 (DT).

Engine power, claimed · gross or net not stated

67 hp

50 kW as stated by the source

No lab test on file

Claimed · standard not stated by the source

Source · Traktorenlexikon, “Fiat 666/666 DT”, 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 666 (DT) go?

The fastest speed on record for a 666 (DT) is 15.5–18.6 mph (25–30 km/h). The gearbox itself is not on record yet.

Transmission — 666 (DT) Transmission
DriveAvailable in two-wheel and four-wheel driveOn record for 0 of 1 configurations
Forward gears12–20the article lists alternatives
Reverse gears4–12the article lists alternatives
Transmission as described12 forward/4 reverse, 20 forward/8 reverse and 12 forward/12 reverse
Top speed forward15.5–18.6 mph · 25–30 km/hthe article lists alternatives
Top speed reverse18.6 mph · 30 km/hhighest reverse speed printed in the article's speed tables
Creeper gears available, optionalYes
SteeringMechanical Graziano recirculating ball steering
Differential lockPedal-operated differential lock
Front axleOscillating telescopic front axle
Front axle, optionalFiat planetary front axle with central cardan shaft

Source · Traktorenlexikon, “Fiat 666/666 DT”

Sources and how this page was built

11 transmission values from Traktorenlexikon, “Fiat 666/666 DT”.

Sources checked

14 SEP 2026

Spotted an error?

Sources

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

  1. Traktorenlexikon: Fiat 666/666 DT — CC BY-SA 4.0, WIKIBOOKS-TL-108606 · revision 1075276. Wikibooks contributors (Traktorenlexikon). Original document