Dino Bomber is a member of the Bombers group of the Brave Express Team, along with Lio Bomber, Bird Bomber and Horn Bomber. He can combine with Lio and Bird to form Try Bomber, then additionally combine with Horn to form Battle Bomber.

Dino Bomber is a member of the Bombers, with his primary mode being a 651 Series Super Hitachi Service EMU train, and an alternate mode being a dinosaur. His former name was "Hitachi Bomber".

The Bombers made their first appearance in episode 2, assisting Might Gaine to defeat Hoi Kow Lou's robots by combining into Try Bomber.