The Daihatsu-class or 14 m landing craft (大発, abbreviation of 大型発動機艇 which means "large motorized boat") was a type of landing craft used by the Imperial Japanese Army from 1937 to 1945, in the Second Sino-Japanese War and World War II.

[1][2] Daihatsu-class Landing Craft ((大発動艇, Daihatsudōtei, translated: Large Powered Boat) was a landing craft of the Imperial Japanese Army, originally developed in 1924, further refined later on and also adopted to the Imperial Japanese Navy service.

This operation was studied carefully by USMC Victor Krulak, with photographs of the boats provided to Andrew Higgins who copied the design into LCVP.

Landing craft were built till the end of World War 2, with one of the last reported combat uses being a supply delivery on the Kaladan River.

It took place on 10 May 1944, as a part of the U-Go offensive, where boats were camouflaged with bushes and armed with Type 92 heavy machine guns.