Rails from the first draft of the 1986 Transformers movie that sadly didn't get carried over to the final release(yes these two images are the only two official instances of this design)

This is literally on par with Skylynx and Trypticon, the idea of a HUGE animalistic robot that ALSO transforms into something underused like a space shuttle with a cargo hauler, an entire city and this train carrying tankers of rocket fuel and some flatbeds is WAY too peak