I've combed the Plasser American website as well as the German counterpart trying to find out what this equipment is. Another rail fan at Tehachapi had seen it on Cajon the day before.
The greens of the springtime create a backdrop as three brand new UP GEVO units lead a southbound intermodal train at Tunnel 2 on a beautiful Sunday afternoon.
UP 5907 with a Southbound manifest passing the exposed exoskeleton of tunnel 4, which was irreparably damaged in the 1952 earthquake. I had a close call with a rattle snake getting to this spot.