Compare/Farmall 1456 vs Farmall 1566

Farmall 1456 vs Farmall 1566

Verdict: Farmall 1456 vs Farmall 1566

The Farmall 1456 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 131 hp. Farmall 1456 is the lighter machine (5,806 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 1969). In short: choose the Farmall 1566 for outright pulling power, or the Farmall 1456 if a tighter budget and lighter footprint matter more. Compare the full spec tables below before booking a demo.

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Acreage600 acBudgetMain crop / use

Fit & specs

Farmall

Fit score

Best match

Clear

Farmall

Fit score

Best match

Clear

Rated power

131 hp

161 hp

Confidence

40%

Guide price

—

Overview

Manufacturer

Farmall (a part of International Harvester)Reference

With 18.4-39 rear tires.Reference

With 20.8-38 rear tires.Reference

Total built

5,592 (Farmall/row-crop)Reference

7,417Reference

Original price

$12,400 (1971)Reference

—

Drive

4x4 MFWD 4WD optionalReference

—

Steering

hydrostatic powerReference

—

Final drives

—

planetaryReference

Engine

Fuel tank

151.4 LReference

310.4 LReference

Drawbar (tested)

85.5 kWReference

102.2 kWReference

Displacement

6.7 LReference

7.1 LReference

Bore/Stroke

110 x 117 mmReference

109 x 127 mmReference

Air cleaner

dual dry elementsReference

—

Compression

17:1Reference

16:1Reference

Rated RPM

2400Reference

2600Reference

Starter volts

12Reference

—

Oil capacity

83.3 LReference

18.9 LReference

Coolant capacity

22.7 LReference

24.6 LReference

Power at rated engine speed

97.8 kWReference

120.1 kWReference

Max power

85.5 kWReference

102.2 kWReference

Engine

—

136.5 kWReference

Power

—

136.5 kWReference

Idle RPM

—

900-2600Reference

Transmission

Torque AmplifierReference

Gears

16 forward and 8 reverseReference

12 forward and 6 reverseReference

Type

partial power shiftReference

two-speed power shiftReference

PTO & Hydraulics

PTO (claimed)

96.9 kWReference

119.3 kWReference

PTO (tested)

97.8 kWReference

120.1 kWReference

Pump flow

45.4 lpmReference

Rear Type

3/2Reference

III/IIReference

Rear PTO

independentReference

Rear PTO Type

1000Reference

Power at rated PTO speed

94.9 kWReference

121.0 kWReference

Rear valves

—

2Reference

Front valves

—

2Reference

Control

—

lower-link draft sensingReference

Engine RPM

—

1000@2300Reference

Dimensions

Wheelbase

266 cmReference

Weight

5806 kgReference

13200 to 15195 poundsReference

Front tire

11L-15Reference

Rear tire

18.4-38Reference

20.8-38Reference

Ag front

11L-15Reference

Ag rear

18.4-38Reference

20.8-38Reference

Length

416 cmReference

426 cmReference

Height

218 cmReference

—

Operating weight

5806 kgReference

—

Ballasted weight

7869 kgReference

—

Width

—

284 cmReference

Height (cab)

—

297 cmReference

Height (exhaust)

—

317 cmReference

Clearance (drawbar)

—

43 cmReference

Front tread

—

142 to 203 cmReference

Rear tread

—

167 to 304 cmReference

Shipping

—

5987 kgReference

Operating

—

6892 kgReference

Ballasted

—

8282 kgReference

1456 Serial Number Location

1456 Serial Numbers

1969

10001 (Farmall)Reference

—

1970

10405 (Farmall)Reference

—

1971

14149 (Farmall)Reference

—

Test results

Fuel use

32.2 l/hourReference

41.3 l/hourReference

Max pull

—

7155 kgReference

Speeds

1566 Serial Numbers

1974

—

7101Reference

1975

—

7837Reference

1976

—

12589Reference

Location:

—

Serial number plate on the left side of the clutch housing.Reference

Electrical

Charging system

—

alternatorReference

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.