TF3 Optimus Prime, Ratchet & Ironhide Spotted

We got new pictures of Transformers 3 Autobots in their vehicle forms as they are spotted by lucky fans. From the pictures, we can see Optimus Prime and Ratchet is carried on a carrier truck and two Ironhides spotted on the  road. Interestingly, Ratchet got a repaint for the third film. Prevoiusly yellow in color, now he is lime green. Optimus Prime also appears to have a shorter smoke stacks.

Prime: Let's roll!