This summary is for 3/4 ton commercial cars or trucks. It was taken from the "Mopar Serial Reference Chart" in my previous post in this tread. For Stockton "S" the model is DCT is a "C" series built between April 1926 and July 1927. For Stockton "S" the model is DDT is a "D" series built between Aug. 1927 and June 1928. For Stockton "S" the model is DET is a "E" series built between July 1928 and Nov. 1932. My two 3/4 ton DB "E" series trucks are "DE" and "DA-E" models. The "DE" truck had the to