Unique Rock Crawler

After reading the following trail rating for Blag Flag at Area BFE,

• Expert trail. No Exceptions
• Do not attempt without a day to spend and at least three vehicles.
• You must winch anchor yourself at the last ledge at the top for YOUR SAFETY. If you roll, you could die. Drive at your own risk!
• Min. 40″ tires, Lockers, Winch, spare parts, SPOTTERS and 3 Vehicles – Do not attempt alone!

I started looking at YouTube videos of extreme rock crawling machines that could complete such a trail. Here is a video of a custom built vehicle with a design that I have never seen before. What makes it so unique is its ability to adjust its wheel base from 100 to 136 inches while climbing...

Update (6/4/17): If I thought the above vehicle was unique, take a look at this beast...