First Look At The New Optimus Prime

Production is currently underway on the fourth “Transformers” film on location in Monument Valley near the border of Arizona and Utah.

As a result, Michael Bay has been using his blog to publish photos of the various cars on-set for filming.

Following on from two new Autobots yesterday, Bay has showcased a “upgraded, custom-built Optimus Prime from Western Star” today. Check it out below:

In other T4 news, actor T.J. Miller (“The Goodwin Games,” “Cloverfield”) has begun in talks to play the mechanic best friend of Mark Wahlberg’s character.