From the frame up is a Western Star 4900, but the running gear is a military grade wrecker, 10-ton 6x6 wrecker, so it's kind of been made a hybrid or morphed together to make what it is now.

He contacted Timken about that and the company provided him the seals as a gift. The U.S. Army used this 6x6 wrecker with 10-ton lift capacity to lift and tow disabled vehicles.