Now relegated to yard service, former mainline power SD40-2 3516 (along with SD38-2 824, a former McCloud Railway diesel) builds trains in Union Pacific's West Colton Yard in Bloomington, Californ... (more)

UP 3516 leads a job picking up cars from the GATX repair facility. They have just picked up one cut of cars and are about to shove back to a second cut.

Pull down power pauses next to an outbound.