One of Union Pacific's GG20B Gen 3 low emission switchers (UP calls them GG20GE diesels) sits in Anaheim waiting for its first assignment at its new home on December 2, 2006.
A pair of Union Pacific GG20B Gen 3 low emission switchers (UP calls them GG20GE diesels) sit in Anaheim waiting for their first assignment at their new home on December 2, 2006.