- information on all makes and models of tractors
Tractors > Farmall > 666

Farmall 666

Farmall 666 tractor photo
1972 - 1976

Note: the Farmall model 666 is the same as the International Harvester 666. The following data is from the 666 listing.


Manufacturer:Farmall (a part of International Harvester)
Total built:9,367
Original price (USD):$11,875

Farmall 666 Engines:

   International Harvester 5.1L 6-cyl diesel
   International Harvester 4.8L 6-cyl gasoline
full engine details ...



Rear Hitch:

Type:IH Fast Hitch

3-Point Hitch:

Rear Type:II

Power Take-off (PTO):

Rear PTO:independent
Rear RPM:540

Dimensions & Tires:

Wheelbase:103 inches [261 cm]
Weight:7053 lbs [3199 kg]
Front tire:7.50-16
Rear tire:15.5-38
full dimensions and tires ...

666 Serial Numbers:

Location:Clutch housing, right side
1972: 7500
1973: 8200
1974: 11585
1975: 13131
1976: 15739

how to read serial numbers...


Farmall 666 Power:

Drawbar (tested):58.01 hp [43.3 kW]
PTO (tested):69.61 hp [51.9 kW]
power test details ...


Chassis:4x2 2WD
Steering:hydrostatic power
Brakes:dry disc
Cab:Open operator station. Two-post ROPS or canpoy optional.



Page information:

Last update:October 25, 2018
Copyright:Copyright 2018 TractorData LLC
©2000-2018 - TractorData™. Notice: Every attempt is made to ensure the data listed is accurate. However, differences between sources, incomplete listings, errors, and data entry mistakes do occur. Consult official literature from the manufacturer before attempting any service or repair.