The model B was one of the best-selling and longest-produced tractors for Allis-Chalmers, with over 125,000 units being sold between 1937 and 1957.

Allis-Chalmers provided a wide variety of implements for the Model B which made it a versatile performer. One of the more unique implements was the 40 All-Crop combine.

Allis-Chalmers DD grader of the 1950s. In the 1940s, Allis-Chalmers launched a new grader called the model 'D' to replace the former model 'W' tractor-mounted type at the lower end of its motor-grader ...