Compare/Farmall F-20 vs Farmall F-235

Farmall F-20 vs Farmall F-235

Verdict: Farmall F-20 vs Farmall F-235

The Farmall F-20 and the Farmall F-235 are both tractors — here is how they stack up on the figures that matter. Farmall F-20 leads on rated power with 27 hp against 26 hp. Farmall F-235 is the lighter machine (1,655 kg vs 1,995 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Farmall F-235 is the newer design (1957 vs 1932). In short: choose the Farmall F-20 for outright pulling power, or the Farmall F-235 if a tighter budget and lighter footprint matter more. Compare the full spec tables below before booking a demo.

Tune the fit score

Tell us about your operation

Acreage600 acBudgetMain crop / use

Fit & specs

Farmall

Fit score

Best match

Clear

Farmall

Fit score

Best match

Clear

Rated power

27 hp

26 hp

Confidence

40%

Guide price

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Overview

Manufacturer

Farmall (a part of International Harvester)Reference

Kerosene 4-speed 2WDNovember 5 - 12, 1936Link: Nebraska Tractor Test 276 fileReference

dieselReference

Total built

154,398Reference

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Engine

Fuel tank

49.2 LReference

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Aux. fuel

3.3 LReference

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Drawbar (claimed)

14.6 kWReference

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Plows

2Reference

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Drawbar (tested)

15.4 kWReference

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Belt (tested)

20.9 kWReference

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Displacement

3.6 LReference

2.0 LReference

Bore/Stroke

95 x 127 mmReference

79 x 102 mmReference

Rated RPM

1200Reference

1650Reference

Firing order

1-3-4-2Reference

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Coolant capacity

27.4 LReference

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Belt power (max)

20.8 kWReference

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Max power

15.4 kWReference

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Engine

—

19.4 kWReference

Power

—

19.4 kWReference

Transmission

Type

sliding gearReference

gearReference

Gears

4 forward and 1 reverseReference

Clutch

279.4mm mechanical dry discReference

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PTO & Hydraulics

PTO (claimed)

19.9 kWReference

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Rear PTO

transmissionReference

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Rear PTO Type

540 (1.125)Reference

540Reference

Engine RPM

505@1200Reference

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Dimensions

Wheelbase

215 cmReference

231 cmReference

Weight

1995 kgReference

1655 kgReference

Front tire

25x4Reference

5.00x15Reference

Rear tire

40x6Reference

10.00x36Reference

Ag front

25x4 (steel)Reference

5.00x15Reference

Ag rear

9.00x36Reference

10.00x36Reference

Length

355 cmReference

331 cmReference

Height (steering wheel)

170 cmReference

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Height (hood)

147 cmReference

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Front tread

21 cmReference

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Rear tread

144 cmReference

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F-20 Serial Number Location

F-20 Serial Numbers

1932

FA-501Reference

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1933

------Reference

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1934

TA-135000 (old style countershaft)Reference

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1935

FA-9760Reference

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1936

FA-41123Reference

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1937

FA-72982Reference

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1938

FA-112201Reference

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1939

FA-136042Reference

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Final

FA-148810Reference

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Capacities

Diameter

35 cmReference

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Width

218 cmReference

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RPM

654Reference

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Speed

730.00 meters/minReference

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Test results

Belt fuel use (max)

10.6 l/hourReference

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Max pull

1327 kgReference

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Variants

F-235

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gas row-cropReference

F-235D

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diesel row-cropReference

FU-235

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utilityReference

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.