Allis Chalmers B Specs, Price, Review: The Allis-Chalmers model B was a Row-Crop tractor manufactured by the Allis-Chalmers company from 1937 to 1957. With a number of 125,000 units produced, Allis-Chalmers model B became one of the best selling tractors for Allis-Chalmers and most desired tractors of its time. The Allis-Chalmers model B tractor was specially designed to … [Read more...] about Allis Chalmers B Price, Parts Specs, Review & Attachments