Like the Hummer, it was designed primarily for military use with the Mega Cruiser seeing duty as infantry transport, a light prime mover for heavy mortars, and mobile Surface-to-air missiles in the Japan Self Defense Forces, and by police and fire/rescue departments,
The military version as the BXD10, and the civilian version is known as a BXD20.
Civilian uses incurred expensive taxes imposed by the Japanese government for dimension regulations and annual road tax obligations.
Exclusively sold in Japan, a limited number were sold to civilians. This vehicle was intended to test designs that would eventually make their way into mass-produced Toyota SUVs (like the Land Cruiser), but was financially unsuccessful for Toyota.