A westbound curves along the Sacramento River.
A recent graduate from SP's M-99 rebuild program in Sacramento, SP 7550 awaits an assignment at Rio Grande's Roper Diesel Shop on Aug. 8, 1985.
Truckee Helper #7550 has helped a freight to the top of Donner Pass and has cut off at Norden and will return to Truckee light engine. The large structure with the truss on the roof houses the tur... (more)
SP 7550 leads a westbound around the Tehachapi Loop at Walong
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