Despite its long wheelbase, the big Centennial takes the sharp curve into Tunnel 2 with ease as it powers the Wimmer Engineering special across the Tehachapi mountains.
Passing Slater on the UP's Fresno Sub, the Wimmer Engineering special nears Bakersfield where the train will change crews before heading into the Tehachapi mountains.
Handling a Bill Wimmer Engineering special, UP 6936 has the inspection train moving along at track speed as it passes the south switch Delfar on the UP's Fresno Sub.