I wonder if they sell these used, at the army surplus store? They are about 20,000 tons lighter at operating weight than our D8's, but you sure could get back to the start of your push quicker..Plus it looks to me like you can use it like a pan scraper to boot!  Put on my Christmas list Shirley!!!

http://www.youtube.com/watch?v=NSSD-bdnp5k&am...n&NR=1