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Farmall 1466 vs Farmall 1566
Verdict: Farmall 1466 vs Farmall 1566
The Farmall 1466 and the Farmall 1566 are both tractors — here is how they stack up on the figures that matter. Farmall 1566 leads on rated power with 161 hp against 133 hp. Farmall 1466 is the lighter machine (6,114 kg vs 13,200 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Farmall 1566 is the newer design (1974 vs 1971). In short: choose the Farmall 1566 for outright pulling power, or the Farmall 1466 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
133 hp
161 hp
Confidence
40%
40%
Guide price
—
—
Overview
Manufacturer
Farmall (a part of International Harvester)Reference
Farmall (a part of International Harvester)Reference
The Torque Amplifier (TA) provides a power shift in all gears and ranges from direct drive (DD) to a lower TA speed. Without clutching the TA lever is pulled to the rear to engage. The transmission is returned to direct drive by pushing the TA lever forward.Reference
With 20.8-38 rear tires.Reference
Total built
25,264Reference
7,417Reference
Final drives
bull gearReference
planetaryReference
Engine
Drawbar (tested)
91.9 kWReference
102.2 kWReference
Displacement
7.1 LReference
7.1 LReference
Bore/Stroke
109 x 127 mmReference
109 x 127 mmReference
Air cleaner
dual dry elementsReference
—
Rated RPM
2600 (late)Reference
2600Reference
Starter volts
12Reference
—
Oil capacity
83.3 LReference
18.9 LReference
Coolant capacity
25.6 LReference
24.6 LReference
Power at rated engine speed
108.7 kWReference
120.1 kWReference
Max power
91.9 kWReference
102.2 kWReference
Fuel tank
—
310.4 LReference
Engine
—
136.5 kWReference
Power
—
136.5 kWReference
Compression
—
16:1Reference
Idle RPM
—
900-2600Reference
Transmission
Gears
16 forward and 8 reverseReference
12 forward and 6 reverseReference
Transmission
Torque AmplifierReference
Torque AmplifierReference
PTO & Hydraulics
PTO (claimed)
99.2 kWReference
119.3 kWReference
PTO (tested)
108.7 kWReference
120.1 kWReference
Hydraulic system
83.3 LReference
—
Type
two-speed power shiftReference
two-speed power shiftReference
Capacity
83.3 LReference
—
Pressure
137.9 barReference
—
Valves
1Reference
—
Pump flow
45.4 lpmReference
45.4 lpmReference
Total flow
79.5 lpmReference
—
Steering flow
34.1 lpmReference
—
Steering press.
106.9 barReference
—
Rear Type
II/IIReference
III/IIReference
Rear lift (at 24"/610mm)
2540 kgReference
—
Rear PTO
independentReference
independentReference
Clutch
dry discReference
—
Rear PTO Type
1000Reference
1000Reference
Engine RPM
1000@2100Reference
1000@2300Reference
Power at rated PTO speed
108.8 kWReference
121.0 kWReference
Rear valves
—
2Reference
Front valves
—
2Reference
Control
—
lower-link draft sensingReference
Capacities
Fuel
159.0 LReference
—
Dimensions
Wheelbase
266 cmReference
266 cmReference
Weight
6114 kgReference
13200 to 15195 poundsReference
Front tire
11L-15Reference
11L-15Reference
Rear tire
18.4-38Reference
20.8-38Reference
Ag front
11L-15Reference
11L-15Reference
Ag rear
18.4-38Reference
20.8-38Reference
Length
426 cmReference
426 cmReference
Width
248 cmReference
284 cmReference
Height (exhaust)
281 cmReference
317 cmReference
Operating weight
6114 kgReference
—
Ballasted weight
7556 kgReference
—
Clearance (drawbar)
40 cmReference
43 cmReference
Bar rear axle
88 mmReference
—
Front tread
132 to 208 cmReference
142 to 203 cmReference
Height (cab)
—
297 cmReference
Rear tread
—
167 to 304 cmReference
Shipping
—
5987 kgReference
Operating
—
6892 kgReference
Ballasted
—
8282 kgReference
1466 Serial Numbers
1971
7101Reference
—
1972
10408Reference
—
1973
15533Reference
—
1974
19746Reference
7101Reference
1975
25404Reference
7837Reference
1976
29516Reference
12589Reference
Location:
Clutch housing, left sideReference
Serial number plate on the left side of the clutch housing.Reference
Electrical
Charging amps
32Reference
—
Batteries
2Reference
—
Battery volts
6Reference
—
Battery AH
172Reference
—
Charging system
—
alternatorReference
Test results
Fuel use
36.0 l/hourReference
41.3 l/hourReference
Max pull
6202 kgReference
7155 kgReference
Speeds
1566 Serial Numbers
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.