To get back on topic, here's a vid describing some of the latest of these behemoths.
https://youtu.be/Ie5LZupYgBA
Imagine trying to parallel park one >:)
In a more serious gaming note, I think battling one of these things would probably be a boring exercise in how many cars and bikes can you throw away. Still, in spite of the Ultraforce module, I'm surprised given all of the other vehicles that were added to classic CW that the mega-sized dump trucks never had any official rules.