J. T. Hutchinson. Original Name: J. T. Hutchinson. Other Names: H. A. Rock, 1923 Owner: Pioneer Steamship Co., 1901, United States, Ohio, Cleveland Builder: American Ship Building Co., 1901, United States, Ohio, Cleveland Engine Builder: American Ship Building Co., 1901, United States, Ohio, Cleveland Year Built: 1901 Year Engine Built: 1901 Final Disposition: Sold for scrap in 1970. Scrapped in 1971at Santander. Registry Number: US. 77457 Hull Number: 405 Vessel Type: Bulk freighter Length: 346 ft. Width: 48 ft. Height: 28 ft. Gross Tonnage: 3300 t. Net Tonnage: 2015 t. Materials: Steel Engine Type: Triple expansion Piston #1: 22 in. Piston #2: 35 in. Piston #3: 58 in. Stroke Length: 40 in.