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Farmall 1066 vs Farmall 1456
Verdict: Farmall 1066 vs Farmall 1456
The Farmall 1066 and the Farmall 1456 are both tractors — here is how they stack up on the figures that matter. Farmall 1456 leads on rated power with 131 hp against 116 hp. Farmall 1456 is the lighter machine (5,806 kg vs 12,148 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. In short: choose the Farmall 1456 for outright pulling power, or the Farmall 1066 if a tighter budget and lighter footprint matter more. Compare the full spec tables below before booking a demo.
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Fit & specs
Farmall
85
Fit score
Best match
Clear
Farmall
85
Fit score
Best match
Clear
Rated power
116 hp
131 hp
Confidence
40%
40%
Guide price
—
—
Overview
Manufacturer
Farmall (a part of International Harvester)Reference
Farmall (a part of International Harvester)Reference
Four gears (1-4) in two ranges (Low/High) with the two-speed Torque Amplifier power shift (TA/direct).Reference
With 18.4-39 rear tires.Reference
Total built
54,947Reference
5,592 (Farmall/row-crop)Reference
Original price
—
$12,400 (1971)Reference
Drive
—
4x4 MFWD 4WD optionalReference
Steering
—
hydrostatic powerReference
Engine
Fuel tank
159.0 LReference
151.4 LReference
Drawbar (claimed)
80.5 kWReference
—
Drawbar (tested)
79.0 kWReference
85.5 kWReference
Displacement
6.8 LReference
6.7 LReference
Bore/Stroke
109 x 121 mmReference
110 x 117 mmReference
Air cleaner
dual stage dryReference
dual dry elementsReference
Rated RPM
2600 (after 1973)Reference
2400Reference
Starter volts
12Reference
12Reference
Oil capacity
17.0 LReference
83.3 LReference
Coolant capacity
23.7 LReference
22.7 LReference
Power at rated engine speed
93.7 kWReference
97.8 kWReference
Max power
79.0 kWReference
85.5 kWReference
Compression
—
17:1Reference
Transmission
Gears
infinite forward and reverse (two-range)Reference
16 forward and 8 reverseReference
Clutch
dry discReference
—
Transmission
Torque AmplifierReference
Torque AmplifierReference
PTO & Hydraulics
PTO (claimed)
94.0 kWReference
96.9 kWReference
PTO (tested)
93.7 kWReference
97.8 kWReference
Type
hydrostaticReference
partial power shiftReference
Pump flow
45.4 lpmReference
45.4 lpmReference
Total flow
79.5 lpmReference
—
Steering flow
34.1 lpmReference
—
Rear Type
III/IIReference
3/2Reference
Rear lift (at 24"/610mm)
2540 kgReference
—
Rear PTO
independentReference
independentReference
Rear PTO Type
540/1000Reference
1000Reference
Power at rated PTO speed
88.9 kWReference
94.9 kWReference
Dimensions
Wheelbase
266 cmReference
266 cmReference
Weight
12148 to 13345 poundsReference
5806 kgReference
Front tire
11L-15Reference
11L-15Reference
Rear tire
18.4-38Reference
18.4-38Reference
Ag front
11L-15Reference
11L-15Reference
Ag rear
18.4-38Reference
18.4-38Reference
Length
419 cmReference
416 cmReference
Width
248 cmReference
—
Height (exhaust)
281 cmReference
—
Clearance (drawbar)
40 cmReference
—
Bar rear axle
82 mmReference
—
Operating
6053 kgReference
—
Ballasted
6921 kgReference
—
Height
—
218 cmReference
Operating weight
—
5806 kgReference
Ballasted weight
—
7869 kgReference
1066 Serial Number Location
1066 Serial Numbers
1971
7101Reference
14149 (Farmall)Reference
1972
12677Reference
—
1973
24205Reference
—
1974
34949Reference
—
1975
46855Reference
—
1976
56672Reference
—
Test results
Fuel use
31.4 l/hourReference
32.2 l/hourReference
Max pull
5896 kgReference
—
Speeds
1456 Serial Number Location
1456 Serial Numbers
1969
—
10001 (Farmall)Reference
1970
—
10405 (Farmall)Reference
Fit score weighs budget, operation size, crop match and data confidence against the details above. It’s guidance, not advice — always confirm with a dealer demo.