one of SP's many "Haulers" led by all four of their GP40X's making a set out at SP's exPE J Yard near downtown Los Angeles, CA

An eastbound Southern Pacific hauler departs the West Colton Yard and rounds the balloon track. (All trains depart eastbound, with the Los Angeles-bound trains rounding this 360º curve to revers... (more)

All four SP GP40X's (plus a Kodachrome-painted SD45R) lead an eastbound hauler at Guasti near Ontario. In the late 80's, it was common to find the GP40X's in captive service between LA and W. Col... (more)

Southern Pacific purchased just four GP40X diesels, and the entire fleet was on the railroad's Anaheim Hauler, spotted on the Santa Ana Branch: SP 7230-SP 7201-SP 7200-SP 7231. The two lower num... (more)