RIKUGUN YUSOSEN/BYOINSEN

Tacoma Maru Class Auxiliary Transport

(Sister CHICAGO MARU, prewar)

© 2012 Bob Hackett


TACOMA MARU was completed in 190 9 as the first of of Osaka Shosen Kaisha (OSK) Line's six new 6,000-ton passenger-cargo ships for service on OSK's Hong Kong ~ Japan ~ Tacoma, Washington route. Later, she was transfered to OSK's South American route, then their Kobe~ Darien, Manchuria route. She was chartered by the Imperial Army in '37 for service between Japan and China. In Feb '44, TACOMA MARU was torpedoed and sunk by an American submarine.

TACOMA MARU's sisters were CANADA, CHICAGO, MEXICO, PANAMA and SEATTLE MARUs. PANAMA MARU was lost pre-war. During the Pacific War, the others were sunk by American submarines.

Builder and
Years Completed:
Kawasaki Kisen, K. K., Kobe
1909-1911
Gross tonnage: 5, 8637-6,178 tons.
Dimensions: 419.8’ (BPP) x 49.6’ x 29.11’
Propulsion: 2 triple expansion steam engines, 4,975 h.p., 2 shafts
Speed: 13 knots
Armament: None as AH, unknown as AP.