Union Pacific ES44AC 5522 climbs Cajon Pass on April 28, 2006..

Union Pacific Gallery

Union Pacific 5522 climbing Cajon Pass at MP58, on April 28, 2006.

Union Pacific ES44AC's 5522 and 5385 as well as C44ACCTE's 5728 and 5789, and SD70M 4444 provide almost 22,000 hp to bring this manifest up the hill near Milepost 58, Cajon Pass, CA on April 28, 2006. Both the 5522 and the 5385 (4th unit) are new 2005 Tier 2 emissions compliant General Electric "GEVO" units.