Ratchet is the medical officer of the Autobots. According to the official movie site, Ratchet believes the conflict can be solved peacefully, without any violence. However he still carries out Optimus Prime's orders, even if it means use of force. His weapons include a rotary saw that emerges from his left arm, and can transform his right and left arm into a machine gun. Ratchet also has an assortment of other tools at his disposal; in the movie, he uses a red laser to scan and try to calibrate Bumblebee's voicebox as they are introduced to Sam Witwicky and Mikaela Banes. He has an enhanced sense of smell.
- Ratchet transforms into a Search and Rescue Hummer H2.
- Ratchet will meet Thomas the tank engine, Twilight Sparkle, and their friends in Thomas and Twilight Sparkle's adventures of Transformers.