Looks like Grapevine Vintage RR was testing the steam engine running forward and reverse on a few runs on the former Cotton Belt line near DFW Airport.
The Grapevine Vintage Railroad's Steam Locomotive No. 2248, affectionately known as Puffy, is a product of the Cooke Locomotive Works of Paterson, NJ. Built in 1896, #2248 was called a "heavy moun... (more)