When Was John Deere B Made?

When Was John Deere B Made? Belt Pulley Diameter: 9.6875 inches 24 cm Speed: 3110 ft/min 947.93 meters/min What year is John Deere B? John Deere B Styled John Deere B Type Row-crop agricultural tractor Manufacturer John Deere Production1935-1938 (Unstyled),1939-1947 (Wartime/Early-Styled), 1948-1952 (Late-Styled) How much did a John Deere B cost new? Production Manufacturer: John