Compare/Allis Chalmers 25-40 E vs Allis Chalmers FD3

Allis Chalmers 25-40 E vs Allis Chalmers FD3

Verdict: Allis Chalmers 25-40 E vs Allis Chalmers FD3

The Allis Chalmers 25-40 E and the Allis Chalmers FD3 are both tractors — here is how they stack up on the figures that matter. Both are rated at the same 25 hp. Allis Chalmers FD3 is the lighter machine (1,428 kg vs 3,175 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Allis Chalmers 25-40 E holds more fuel (113.6 L vs 45.0 L) for longer stints between fills. Use the full side-by-side spec tables below to weigh the details against your own operation, and confirm with a dealer demo.

Tune the fit score

Tell us about your operation

Acreage600 acBudgetMain crop / use

Fit & specs

Allis Chalmers

Fit score

Best match

Clear

Allis Chalmers

Fit score

Best match

Clear

Rated power

25 hp

Confidence

40%

Guide price

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Overview

Manufacturer

Allis ChalmersReference

Gear 1 used for pull test.Reference

liquid-cooledReference

Total built

1,426Reference

—

Engine

Fuel tank

113.6 LReference

45.0 LReference

Aux. fuel

3.8 LReference

—

Drawbar (claimed)

18.6 kWReference

—

Belt (claimed)

29.8 kWReference

—

Drawbar (tested)

25.2 kWReference

—

Belt (tested)

35.0 kWReference

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Displacement

9.2 LReference

1.6 LReference

Bore/Stroke

133 x 165 mmReference

79 x 89 mmReference

Rated RPM

1000Reference

2200Reference

Coolant capacity

37.9 LReference

—

Belt power (max)

35.0 kWReference

—

Max power

25.2 kWReference

—

Engine

—

18.6 kWReference

Power

—

18.6 kWReference

Oil capacity

—

7.0 LReference

Transmission

Type

gearReference

—

Gears

2 forward and 1 reverseReference

8 forward and 4 reverseReference

Clutch

—

dry discReference

Dimensions

Weight

3175 kgReference

1428 kgReference

Front tire

36x6Reference

450x16Reference

Rear tire

50x12Reference

10x28Reference

Ag front

36x6 steelReference

450x16Reference

Ag rear

50x12 steelReference

10x28Reference

Length

386 cmReference

284 cmReference

Width

193 cmReference

—

Height

165 cmReference

—

Height (steering wheel)

—

130 cmReference

Front tread

—

113 to 153 cmReference

Rear tread

—

128 to 167 cmReference

25-40 Serial Numbers

1930

24186Reference

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1931

24843Reference

—

1932

24972Reference

—

1933

25024Reference

—

1934

25062Reference

—

1935

25309Reference

—

1936

25582Reference

—

Location:

front of shifter on transmission caseReference

—

Final

25611Reference

—

Test results

Belt fuel use (max)

20.8 l/hourReference

—

Max pull

1874 kgReference

—

PTO & Hydraulics

Rear PTO Type

—

540/1000Reference

Mid PTO Type

—

1000Reference

FD3 Serial Number Location

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.