Found my first MUDDY today! A John Deere Model 4440 with Mud splashed all over! Its on the Swap and sell board if you need it.

I wish someone would post a pic of these!!!

http://www.marks-collectibles.com/02MAYY10.JPG
Not the tractor that I found but you can see the speckled mud. It is that mud that makes this a "Muddy"