Allis-Chalmers Model B
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The Allis-Chalmers model B was a small agricultural tractor produced by the Allis-Chalmers Manufacturing company from 1937 to 1957. With over 125,000 units produced, the model B became one of the best selling and longest-produced tractors for Allis-Chalmers. The B came in several different variations including the Asparagus B, Potato Special, and the IB industrial tractor, and gave rise to the larger Allis-Chalmers Model C. The Model B was styled by Brooks Stevens, an industrial designer and graphic designer.
Description and production
In the early 1930s, Allis-Chalmers tractor division manager Harry Merritt's study of farm census figures showed that-they have a lot of potential in the field and even in the yard, of the nearly seven million farms in America, some four million were of Script error: No such module "convert". or less. Furthermore, the million or so tractors used on American farms were generally unsuitably large for such acreage. Although the Fordson tractor and then the first-generation row-crop tractors, including the Farmall, Allis-Chalmers's own Model WC, and others, had been gaining significant market penetration and making mechanised agriculture ever more popular, Merritt concluded that there was a need for four million small, inexpensive tractors to fill the needs of the small farmers still using horses.[1][2][3][4]
In common with other tractors of the time, the Model B received a styled body, designed by industrial designer Brooks Stevens.[1]
The Model B was initially powered by a Waukesha Script error: No such module "convert". four-cylinder engine, then from 1938 by an Allis-Chalmers Script error: No such module "convert". engine. This was increased to Script error: No such module "convert". in 1943, all with three-speed transmissions. The Model B was adapted for a variety of specialty crops, with variants including a high-clearance Asparagus Special and a narrow-track Potato Special. As a row-crop tractor the rear and wide front axles were adjustable. A standard tractor version, the IB, with fixed axles, was produced as an industrial tractor, often used as a mower.[1][2][5]
A total of 120,783 Model Bs were built at Allis-Chalmers factories in West Allis, Wisconsin and in Southampton, England. Selling price in 1958 was about $1,500.[2]
Model RC
The Model RC was adapted from the Allis-Chalmers Model WC as a two-plow row-crop tractor using Model B components. It was an expensive stopgap, and in 1939 the more powerful Allis-Chalmers Model C was introduced, based on the Model B, as a more efficient upgrade.[6][4]
See also
References
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- The Allis Chalmers Story. C.H Wendel Template:ISBN
- Antique Power Magazine July/August 1996
- Allis Chalmers Model B, Antiquefarming.com