Tractor · 1930Unverified
Allis Chalmers 25-40 E
Allis Chalmers 25-40 E — Standard-tread tractor · 25 hp. Reference specifications; pending source verification.
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
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.