Head to head · Utility

Farmall 666 vs Farmall F-12

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FarmallModel A

Farmall 666

Utility

power
Not recorded
displacement
Not recorded
Cylinders
6
Forward gears
10
Full 666 specs
Image not recorded
FarmallModel B

Farmall F-12

Utility

power
10 hp
displacement
113 ci
Cylinders
4
Forward gears
4
Full F-12 specs
FarmallFarmall 666
vs
FarmallFarmall F-12

How they compare

Headline specs vs. the whole Utility

n = 4,941–5,720

Cylinders

▲ 666 higher · +2 (+50%)
6666
F-124
Median Utility Tractor4

666 is in the 93rd percentile; F-12 is in the 50th · 5,720 models

Forward Gears

▲ 666 higher · +6 (+150%)
66610
F-124
Median Utility Tractor12

666 is in the 39th percentile; F-12 is in the 4th · 4,941 models

Operating Weight

▲ 666 higher · +4,352 lb (+161%)
6667,053 lb
F-122,701 lb
Median Utility Tractor5,303 lb

666 is in the 67th percentile; F-12 is in the 19th · 5,107 models

666 (A)F-12 (B)Median Utility Tractor

Full comparison

Every spec, side by side

General Information

SpecFarmall 666Farmall F-12Difference
ManufacturerFarmallFarmallSame
Model666F-12—
CategoryUtilityUtilitySame

Engine

SpecFarmall 666Farmall F-12Difference
ManufacturerInternational HarvesterInternational Harvester / Waukesha—
Power OutputNot recorded10hp—
Rated RPM2,000RPM1,400RPM▲ 666+600 RPM · +43%
Cylinders64▲ 666+2 · +50%
DisplacementNot recorded113ci—
BoreNot recorded3in—
StrokeNot recorded4in—

Transmission

SpecFarmall 666Farmall F-12Difference
TypeNot recordedUnsynchronized gear with dry disc clutch—

Dimensions & Weight

SpecFarmall 666Farmall F-12Difference
LengthNot recorded125in—
WidthNot recorded72in—
HeightNot recorded62.2in—
Operating Weight7,053lb2,701lb▲ 666+4,352 lb · +161%

Hydraulics

SpecFarmall 666Farmall F-12Difference
Steering TypeHydrostatic PowerManual—

Power Take-off (PTO)

SpecFarmall 666Farmall F-12Difference
TypeRearNot recorded—
Speed 1540rpm540rpmSame

Hitch & Towing

SpecFarmall 666Farmall F-12Difference
Hitch TypeIH Fast HitchNot recorded—
Hitch CategoryCategory 2Not recorded—

Chassis & Drive

SpecFarmall 666Farmall F-12Difference
Chassis TypeNot recorded4x2 2WD—
Drive TypeNot recorded2WD—
Steering TypeHydrostatic PowerManual—

Electrical

SpecFarmall 666Farmall F-12Difference
Starter TypeElectricNot recorded—

Capacities

SpecFarmall 666Farmall F-12Difference
CoolantNot recorded3.5gal—

Operator Station

SpecFarmall 666Farmall F-12Difference
TypeNot recordedOpen operator station—

Category context

Both models against the field

Cylinders

median 4
A · 93rd percentile (6)B · 50th percentile (4)

Forward Gears

median 12
A · 39th percentile (10)B · 4th percentile (4)

Operating Weight

median 5,303 lb
A · 67th percentile (7,053 lb)B · 19th percentile (2,701 lb)
A · 666B · F-12Median Utility Tractor
Full spec pageFarmall 666Full spec pageFarmall F-12