Soo 2554 at Stevens Point in this unmarked slide from my collection(possibly Joe Stauber). The Soo passenger geeps in the 550 and 2550 series came with Mars lights and roof mounted air tanks which... (more)

Soo GP-9 2554 was damaged in a derailment at Denham, MN on Sept. 23, 1978 and was sent to Diesel Electric Services a re-builder in the Twin Cities and came back as something christened a GP-22. Pa... (more)