David Z. Norton. Original Name: David Z. Norton. Owner: W.C. Richardson Transportation Co., 1906-1921, United States, Ohio, Cleveland Builder: American Ship Building Co., 1906, United States, Ohio, Cleveland Engine Builder: American Ship Building Co., 1906, United States, Ohio, Cleveland Year Built: 1906 Year Engine Built: 1906 Final Disposition: Sold for scrap in 1960 and scrapped at Genoa, Italy, 1964. Registry Number: US.202931 Hull Number: 431 Vessel Type: Bulk freighter Length: 480 ft. Width: 52 ft. Height: 30 ft. Gross Tonnage: 5667 t. Net Tonnage: 4250 t. Materials: Steel Engine Type: Triple expansion Piston #1: 22 1/2 in. Piston #2: 36 in. Piston #3: 60 in. Stroke Length: 42 in.