Google is your friend, has to be a M88 tank recovery vehicle.
750HP turbo diesel.
http://www.inetres.com/gp/military/cv/eng/M88.html
http://www.fas.org/man/dod-101/sys/land/m88a1e1.htm

Hunting for other notes confirm it would shoot flames out the exhaust 10+ feet in the air under load.

Current version is even more HP -> 1050