Ships for transportation of lumber on North Pacific, built by Yokohama Dockyard of Mitsubishi Heavy Industries, Ltd (Mitsubishi Jukogyo Kabushiki Kaisha); length oa 456 ft; breadth molded 58 ft 3 in.; depth molded to upper deck 32 ft; propelled by single Mitsubishi-MAN, 2-stroke, airless injection, 6-cyl engine with bore of 600 mm and stroke 1100 mm, developing 4700 bhp at 133 rpm.
"Zenyo Maru" and "Keiyo Maru"
Shipbldr Mar Engine-Bldr
Shipbuilder and Marine Engine-Builder ; 45 , n 350
1938
5 pages
Article (Journal)
English
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