The John Deere B tractor was produced from 1935 to 1952 with a model year designation. It was manufactured in Waterloo, Iowa, with a total of 55,670 units built, including 40,057 short frame and 15,613 long frame models. The tractor featured 12 drawbar horsepower and 16 belt horsepower. Variants included the B (tricycle front axle), BR (fixed front axle), BO (Orchard), BN (narrow row-crop), BW (wide row-crop), BI (industrial), and BO Lindeman (crawler).