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

Allis Chalmers 25-40 E vs Allis Chalmers WF

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

The Allis Chalmers 25-40 E and the Allis Chalmers WF are both tractors — here is how they stack up on the figures that matter. Allis Chalmers 25-40 E leads on rated power with 25 hp against 22 hp. Allis Chalmers WF is the lighter machine (1,440 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 56.8 L) for longer stints between fills. Allis Chalmers WF is the newer design (1938 vs 1930). In short: choose the Allis Chalmers 25-40 E for outright pulling power, or the Allis Chalmers WF 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

Allis Chalmers

Fit score

Best match

Clear

Allis Chalmers

Fit score

Best match

Clear

Rated power

25 hp

22 hp

Confidence

40%

Guide price

—

Overview

Manufacturer

Allis ChalmersReference

Gear 1 used for pull test.Reference

liquid-cooledReference

Total built

1,426Reference

—

Engine

Fuel tank

113.6 LReference

56.8 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

—

Displacement

9.2 LReference

3.3 LReference

Bore/Stroke

133 x 165 mmReference

102 x 102 mmReference

Rated RPM

1000Reference

—

Coolant capacity

37.9 LReference

—

Belt power (max)

35.0 kWReference

—

Max power

25.2 kWReference

—

Plows

—

2Reference

Firing order

—

1-2-4-3Reference

Transmission

Type

gearReference

Gears

2 forward and 1 reverseReference

4 forward and 1 reverseReference

Dimensions

Weight

3175 kgReference

1440 kgReference

Front tire

36x6Reference

5.5x16Reference

Rear tire

50x12Reference

11.25x24Reference

Ag front

36x6 steelReference

5.5x16Reference

Ag rear

50x12 steelReference

11x28Reference

Length

386 cmReference

301 cmReference

Width

193 cmReference

146 cmReference

Height

165 cmReference

—

Wheelbase

—

177 cmReference

Height (hood)

—

139 cmReference

Rear tread

—

116 to 144 cmReference

25-40 Serial Numbers

1930

24186Reference

—

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

—

Variants

—

standardReference

—

row-cropReference

PTO & Hydraulics

PTO (claimed)

—

16.4 kWReference

Rear PTO

—

transmissionReference

Rear PTO Type

—

540Reference

WF Serial Number Location

WF Serial Numbers

1938

—

389Reference

1939

—

1336Reference

1940

—

1892Reference

1941

—

2300Reference

1942

—

2704Reference

1943

—

NoneReference

1944

—

3004Reference

1945

—

3195Reference

1946

—

3510Reference

1947

—

3748Reference

1948

—

4111Reference

Capacities

Diameter

—

22 cmReference

RPM

—

1170Reference

Speed

—

841.25 meters/minReference

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.