Design started in 1930 at the Chiyoda Motor Car Factory of Tokyo Gasu Denki K. K. (Tokyo Gas and Electric Industries, today Hino Motors Ltd.) based on their Type Q 6-wheeled truck under the development designation "Type QSW".

[1] It had a 4 cylinder petrol engine that produced 75 power hp and a weight ratio of 13.4 hp/t.

[1] It entered service in 1931 and the vehicle was officially adopted as the "Chiyoda armoured car".

This writing refers to "Aikoku -Koto" = "Public Party of Patriots", a nationalistic and militaristic political party, which donated money and military material to IJA (as Hokoku did for the Imperial Japanese Navy (IJN)).

[2] They were used during several early and mid-1930s operations in northern China for infantry support and security duties in captured regions.