Japan Steel Works was the primary contractor, developing and manufacturing the main gun and turret.

After various technical and practical tests, the first vehicle was delivered to the training division of Japan Ground Self-Defense Force in 1999.

The secondary armament consists of a roof-mounted .50 caliber (12.7 mm) machine gun, fitted with a shield.

The armor provides protection against small arms fire and artillery shell splinters.

A travel lock for the gun is mounted on the front of the hull, which folds back onto the glacis plate when not in use.