Besides his voice and cool faceplate, Optimus Prime's most distinctive ... form of a 1992 Peterbilt 379 semi-truck, decked ...

Peterbilt 379 tractor unit is a multi-prize-winning show truck with an extended hood design and a 63” sleeper pod ...

Lego's 1,508-piece Optimus Prime model can transform into a truck, which makes it one of the coolest Lego builds around.

In almost every Transformers series, cartoon, anime, comic book, video game and movie, Optimus Prime is the valiant leader of the Autobots. Known for usually transforming into a semi-truck or fire ...