Today, we get a couple more behind-the-scenes pictures of Michael Bay in action on the set of Transformers: Age of Extinction. The director is hard at work shooting his fourth Transformers film, and one lucky administrator, Nelson, shares with us pictures and descriptions of the Autobots in the film, including Optimus Prime.

Nelson, an administrator from Michael Bay’s official website, shootfortheedit.com, was invited to the set of Transformers: Age Of Extinction and provides details and images

[box_light]The truck company for Optimus Prime in TF 1-2-3 never wanted anything to do with the movie franchise. Before filming the first TF movie, the production crew approach the truck company to see if they could lend them 2 trucks. They said no. The producers then found 2 old rusty 1995 models that barely worked and gave them a paint job that got the job done with a very tight budget for chrome and stuff. This time around, Western Star (a subsidiary of Daimler Trucks North America) gave them 2 new trucks. No questions asked.

Optimus Prime was painted by West Coast Customs.

There are 2 of every car, truck, and vehicle in this production (one for back up).

1 Bugatti is owned by a private owner. The other is a loaner from Bugatti.

1 Lamborghini Aventador was purchased by the studio. The other was purchased by Bay (the one with the interior shots in the movie).

1 vintage 1967 Camaro SS (BumbleBee) is owned by the studio, the other by Bay.

Optimus and BumbleBee GGI renders are still being tweaked. Optimus looks grand and BB looks sleek, refined and badass.[/box_light]

Transformers: Age of Extinction opens in theaters on June 27, 2014.The film stars Mark Wahlberg, Nicola Peltz, Jack Reynor, Stanley Tucci, Kelsey Grammer, Sophia Myles and Bingbing Li.

Photos thanks to MichaelBay.com

~Chaz