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The most popular model and year was the R-J58 Wheel Horse 1958, it came without a mowing deck, but one could be added. A new model was produced in 1958, which included a three-speed transmission. This transmission is called the Uni-Drive transmission that Elmer Pond designed in 60 days.
In 1954, Pond introduced his first 4-wheel lawn tractor, an event which altered substantially the lawn care manufacturing business. By 1957, his Wheel Horse Products company recorded sales over $1 million (US$10,848,341 in 2023 dollars [ 2 ] ) for the first time.
In the early 1950s M-M introduced the Uni-Tractor which was a three-wheeled powered unit used to drive other units. The concept was instead of having different tractors and harvesters, one power unit mated to the correct unit could do all the jobs a farmer needed—i.e. of as M-M sales stated "All-in-One".
This is a list of companies that formerly manufactured and / or sold tractors. Some tractor and / or agricultural machinery companies have discontinued manufacturing, or were bought out or merged with other companies, or their company names may have changed.
An obvious simplification was to take the technology of the tractor, but use only a single wheel and a smaller engine. Many of the large monowheel tractor's tasks would be in either replacing horse carts, or else as a cheaper substitute for more conventional tractors. S. E. Opperman of Boreham Wood did this in 1945 with their Opperman Motocart. [5]
It was a two-wheel tractor whose trailing implement provided the rear wheels to form a four-wheel articulated unit. Its nimble design was more suitable for cultivating row crops than were most contemporary tractors and its front powered design was familiar to farmers using horses. The Moline Models B and C used a 2-cylinder opposed engine ...
The name is an abbreviation of Universal Wheel Drive System. [2] The Uni Wheel is intended to gain the advantages of individual wheel drive without having to mount the motor directly to, or inside, the wheel. Instead, it subsumes the functions of constant-velocity joints, drive shaft and reduction gearing into a single system within the wheel. [1]
Allis-Chalmers fuel-cell tractor (1959) Allis-Chalmers model D (ca. 1944–1945): not related to later production D series; Allis-Chalmers model F (ca. 1947) Allis-Chalmers model H (ca. 1942–1945): Four-wheel-drive tractor, based on Bonham Power Horse design