The Allis Chalmers ED40 is a tractor with a rated power output of 31 hp, categorising it as a lighter model within its class. Produced between 1960 and 1968, this tractor features a 4-cylinder diesel liquid-cooled engine and two-wheel drive with an 8-speed gearbox. The ED40 has a listed operating weight of 1599 kg, making it suitable for operations covering up to 200 acres.
Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.
Rated power
31 hp
Weight
1599 kg
Catalogue coverage
Variants represented
2
Richest spec table
53 rows
Recorded power
31 hp
Recorded weight
1599 kg
Transmissions
8-speed gear
Production years
1960-1968
Verified variants
0
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Overview
ManufacturerAllis ChalmersReference
Utility tractorReference
Built in Essendine, Lincolnshire, EnglandReference
Two-wheel driveReference
Differential lockmechanical rearReference
Manual steeringReference
Mechanical drum brakesReference
Open operator station.Reference
Engine
Standard Ricardo 2.3L 4-cyl dieselReference
Fuel tank53.4 LReference
Engine30.6 kWReference
Standard Ricardo 23CReference
dieselReference
4-cylinderReference
liquid-cooledReference
Displacement2.3 LReference
Bore/Stroke84 x 102 mmReference
Power30.6 kWReference
Pre-heatingglow plugsReference
Rated RPM2000Reference
Starter volts12Reference
Oil capacity6.8 LReference
Transmission
8-speed gearReference
TypegearReference
Gears8 forward and 2 reverseReference
Clutch254mm dry discReference
Oil capacity30.7 LReference
PTO & Hydraulics
PTO (claimed)23.1 kWReference
Typeopen centerReference
Pressure172.4 barReference
Pump flow24.2 lpmReference
Rear TypeIReference
Rear lift (at ends)1134 kgReference
Rear PTOliveReference
Rear PTO Type540 (1.375)Reference
Engine RPM540@1700Reference
Dimensions
Wheelbase194 cmReference
Weight1599 kgReference
Front tire4.00x19Reference
Rear tire10x28Reference
Ag front4.00x19Reference
Ag front6.00x16Reference
Ag rear10x28Reference
Ag rear11x28Reference
Length289 cmReference
Width160 cmReference
Height (hood)145 cmReference
Height (exhaust)172 cmReference
Front tread121 to 177 cmReference
Rear tread121 to 182 cmReference
Capacities
Diameter25 cmReference
RPM1158Reference
Speed920.50 meters/minReference
Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.
