The BNSF visits the Union Pacific's North Yard in Denver, Colorado. UPY 453 is a SD40-2 converted to a slug by removing the prime motor. It is paired with a specific motor (UPY 353) as it works ... (more)

UPY 453 (which is a former Missouri Pacific SD40-2 converted to a slug by removing the prime motor) is spotted in the North Yard in Denver, Colorado.