Red TRCTR v2
Its design is inspired from the ubiquitous farm tractor, the Red TRCTR is the preferred Bovine Piloted Cave Racer. Probably because it's familiar form factor makes any cow feel at home on the range. It may not be the sexiest racer, but it can plow an acre in no time flat. The Pilot is yoked to the racer with a harness.
This is my entry for the Pigs on Wings contest of course. I had to revise how I attached the cow to the racer, as my first version was illegal.