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![]() I don't know of an earlier reference for an electric tractor.
The earliest electric-powered tractor that I can find was created in the 1940's in the Soviet Union, and they seemed to be quite popular.
The earliest use appears to have been a kind of electric plough, created in 1894:
There were two versions, one with a 10hp motor turning two furrows and a four-furrow version that used a 16hp motor.
The 16hp plough received its electricity through an overhead cable from a mains supply, but the 10hp version was linked to a steam-powered generator on the headland.
The electric motor on both ploughs powered spur gears that pulled the plough by meshing with the links in a chain stretched across the field and anchored at both ends.
After crossing the field, the plough plus the chain and the anchor points had to be moved the correct distance, ready for the return journey, and another frequent task was moving the supports that carried the power supply cable above the soil surface and out of contact with the plough bodies.
(Via Farmer's Weekly)
Compare to the automatic cultivators from Piracy Preferred (1930) by John W. Campbell, the conscious farm machines from The Hidden Colony (1935) by Otfrid von Hanstein, the robot farmer from The Turning Wheel (1954) by Philip K. Dick, the field minder from Who Can Replace A Man (1963) by Brian Aldiss, the Robomule from Bill the Galactic Hero (1965) by Harry Harrison, the self-guided tractor from At the Bottom of a Hole (1966) by Larry Niven and the agricultural robot pest controller from Runaway (1985) by Michael Crichton. Comment/Join this discussion ( 0 ) | RSS/XML | Blog This | Additional
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