Hoyo Maru Class

Hoyo Maru Class Auxiliary Oiler

In 1940, merchant tanker HOYO MARU was requisitioned by the IJN and ordered converted to an auxiliary oiler. Her only sister was KAIJO MARU No. 2 GO. HOYO MARU was sunk at Truk by Task Force 38's carrier aircraft in Feb '44. KAIJO MARU No. 2 GO was sunk near Truk by an American submarine in Mar '42.

Builder and
Years Completed:
Mitsubishi, Yokohama
1936, 1937
Gross tonnage: 8,691-tons.
Dimensions: 475 x 61' x 30'
Propulsion: 1 Kawasaki (MAN-type) diesel engine, 1,163 n.h.p, 1 shaft, maximum speed 16.1 knots.
Oil Cargo Capacity: 95,000 barrels @ 42 gals/barrel
or approx. 12,960-tons of crude oil
@7.33 barrels per metric ton
Armament: 2 x 80-mm (3.15 inch) guns.