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Tractor · 1930Unverified

Allis Chalmers 25-40 E

Name: Allis Chalmers 25-40 E
Brand: Allis Chalmers

Allis Chalmers 25-40 E — Standard-tread tractor · 25 hp. Reference specifications; pending source verification.

The Allis Chalmers 25-40 E is a compact tractor with a rated engine power of 25 hp. Manufactured from 1930 to 1936, this model features a 4-cylinder petrol liquid-cooled engine and a 2-speed gearbox for two-wheel drive. Weights for this tractor are listed as 3175 kg, while its capabilities include working on areas of up to 200 acres.

Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.

Rated power

25 hp

Max power

25.2 kW

Weight

3175 kg

Catalogue coverage

Variants represented

Richest spec table

55 rows

Recorded power

25 hp

Recorded weight

3175 kg

Transmissions

2-speed gear

Production years

1930-1936

Verified variants

No linked source document is currently displayed; verify critical figures with the manufacturer or dealer.

Hover a source tag to verify

Overview

ManufacturerAllis ChalmersReference

Standard-tread tractorReference

Built in West Allis, Wisconsin, USAReference

Total built1,426Reference

Two-wheel driveReference

Manual steeringReference

Open operator station.Reference

Engine

Allis Chalmers 8.4L 4-cyl gasolineReference

Allis Chalmers 9.2L 4-cylReference

Fuel tank113.6 LReference

Aux. fuel3.8 LReference

Drawbar (claimed)18.6 kWReference

Belt (claimed)29.8 kWReference

Drawbar (tested)25.2 kWReference

Belt (tested)35.0 kWReference

Allis ChalmersReference

gasolineReference

4-cylinderReference

liquid-cooled vertical I-headReference

Displacement8.4 LReference

Bore/Stroke127 x 165 mmReference

Rated RPM1000Reference

Coolant capacity37.9 LReference

liquid-cooledReference

Displacement9.2 LReference

Bore/Stroke133 x 165 mmReference

Belt power (max)35.0 kWReference

Max power25.2 kWReference

Transmission

2-speed gearReference

TypegearReference

Gears2 forward and 1 reverseReference

Dimensions

Weight3175 kgReference

Front tire36x6Reference

Rear tire50x12Reference

Ag front36x6 steelReference

Ag rear50x12 steelReference

Length386 cmReference

Width193 cmReference

Height165 cmReference

25-40 Serial Numbers

Location:front of shifter on transmission caseReference

193024186Reference

193124843Reference

193224972Reference

193325024Reference

193425062Reference

193525309Reference

193625582Reference

Final25611Reference

FAQ: How to read a serial number table.Reference

Test results

Distillate 2-speed 2WDJune 18 - 25, 1931Link: Nebraska Tractor Test 193 fileReference

Belt fuel use (max)20.8 l/hourReference

Drawbar performanceReference

Gear 1 used for power test.Reference

Max pull1874 kgReference

Gear 1 used for pull test.Reference

Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.

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