Kawasaki-type oiler

	Kyokutō Maru (left), Kokuyō Maru, Nippon Maru and Shinkoku Maru (right) on 1 December 1941
Class overview
Name	Kawasaki-type oilers; Tōa Maru class; Tatekawa Maru class; Nisshō Maru class; Kuroshio Maru class; Akatsuki Maru class;
Builders	Kawasaki Shipbuilding Corporation; Harima Zōsen Corporation; Mitsubishi Heavy Industries;
Operators	Asano Bussan; Chūgai Line; Iino Lines; Japan Line; Kawasaki Line; Kōbe Pier; Kokuyō Line; Mitsu Line; Nippon Suisan; Nittō Mining; Nihon Tanker; Yamashita Line; Imperial Japanese Navy; Imperial Japanese Army;
Preceded by	Fujisan Maru
Succeeded by	Type 1TL wartime standard ship
Cost	Tōa Maru: 2,600,000 JPY
Built	1933 – 1943
In commission	1934 – 1964
Planned	17
Completed	17
Lost	17
Retired	(1)
General characteristics
Type	Oiler
Displacement	approx. 10,000 long tons (10,160 t)
Length	around 152 m (498 ft 8 in) Lpp
Beam	around 20.0 m (65 ft 7 in)
Draught	around 11.4 m (37 ft 5 in)
Propulsion	1 × diesel, single shaft,; around 10,000 bhp; or boiler and turbine;
Speed	around 20 knots (23 mph; 37 km/h)
Armament	(example); Shinkoku Maru, 1941; 2 × 150 mm (5.9 in) naval guns; 2 × 76.2 mm (3.00 in) AA guns; 2 × 7.7 mm machine guns; Gen'yo Maru, 1941; 2 × 76.2 mm (3.00 in) AA guns; 2 × Type 96 25 mm AA guns; Itsukushima Maru, 1944; 1 × 120 mm (4.7 in) naval gun; 16 × Type 96 25 mm AA guns; 18 × depth charges; 1 × Type 93 hydrophone; Kyokutō Maru, 1944; 2 × 120 mm (4.7 in) AA guns; 16 × Type 96 25 mm AA guns; Nichiei Maru, 1944; 2 × 120 mm (4.7 in) AA guns; 16 × Type 96 25 mm AA guns; 12 × depth charges; 1 × Type 93 hydrophone;

The Kawasaki-type oiler (川崎型油槽船,, Kawasaki-gata Yusōsen) was a type of oiler from Japan, serving during the 1930s and World War II. They do not have an official class name. Therefore, this article uses common class names. And, this type has some variants. This article handles them collectively.

Class overview
Kyokutō Maru (left), Kokuyō Maru, Nippon Maru and Shinkoku Maru (right) on 1 December 1941
Name	Kawasaki-type oilers Tōa Maru class Tatekawa Maru class Nisshō Maru class Kuroshio Maru class Akatsuki Maru class
Builders	Kawasaki Shipbuilding Corporation Harima Zōsen Corporation Mitsubishi Heavy Industries
Operators	Asano Bussan Chūgai Line Iino Lines Japan Line Kawasaki Line Kōbe Pier Kokuyō Line Mitsu Line Nippon Suisan Nittō Mining Nihon Tanker Yamashita Line Imperial Japanese Navy Imperial Japanese Army
Preceded by	Fujisan Maru
Succeeded by	Type 1TL wartime standard ship
Cost	Tōa Maru: 2,600,000 JPY
Built	1933 – 1943
In commission	1934 – 1964
Planned	17
Completed	17
Lost	17
Retired	(1)
General characteristics
Type	Oiler
Displacement	approx. 10,000 long tons (10,160 t)
Length	around 152 m (498 ft 8 in) Lpp
Beam	around 20.0 m (65 ft 7 in)
Draught	around 11.4 m (37 ft 5 in)
Propulsion	1 × diesel, single shaft, around 10,000 bhp or boiler and turbine
Speed	around 20 knots (23 mph; 37 km/h)
Armament	(example) Shinkoku Maru, 1941 2 × 150 mm (5.9 in) naval guns 2 × 76.2 mm (3.00 in) AA guns 2 × 7.7 mm machine guns Gen'yo Maru, 1941 2 × 76.2 mm (3.00 in) AA guns 2 × Type 96 25 mm AA guns Itsukushima Maru, 1944 1 × 120 mm (4.7 in) naval gun 16 × Type 96 25 mm AA guns 18 × depth charges 1 × Type 93 hydrophone Kyokutō Maru, 1944 2 × 120 mm (4.7 in) AA guns 16 × Type 96 25 mm AA guns Nichiei Maru, 1944 2 × 120 mm (4.7 in) AA guns 16 × Type 96 25 mm AA guns 12 × depth charges 1 × Type 93 hydrophone