GM&O (and later ICG) depended on RS-1s for about 30 years, from the start of deliveries in 1945, until ICG finally pulled the plug in late 1975 and replaced the Alcos with a flood of geeps. In Mo... (more)

A puff of smoke indicates that former Spokane International RS-1 1221 has come to life at Union Pacific’s Marysville, Kansas, roundhouse, ready for afternoon switching chores. The stalls once sh... (more)

UP’s subsidiary Spokane International’s Alco RS-1 with the funky additional headlight was assigned to yard duties at Topeka, Kansas and was shut down on its Sunday rest day behind the station,... (more)

Chicago & Western Indiana Alco RS-1 259 performed switching services at Chicago’s Dearborn Street Station, as it was doing on Oct. 12, 1967 when Santa Fe’s Train 23 “Grand Canyon” awaited... (more)

"An old Workhorse"

While the Morristown and Erie's Alco C424's are in charge of the Easter trains, ME 21 sits silent at the West end of Whippany yard.

The Susquehanna dieselized early, acquiring a fleet of Alco S2's and RS1's that put steam out to pasture by the late '40s. The NYS&W demanded a lot of these 1000-hp units. They would often overhea... (more)

Was used in the local switching in the area.

The M&E has two locomotives numbered as No. 21. The first one is an ex SOO Line RS1, constructed during May 1953. The second No. 21 is a former Bangor & Aroostook, nee Santa Fe, GP7u that was rec... (more)

The Alcos lasted way longer after the merger with IC than any of us local fans predicted. We figured Paducahs would roll in immediately, but the RS-1s hung around until 1975, doing everything in ... (more)

Woven into the autumn scenery that its riders are enjoying, a Green Mountain foliage train works its way up the Connecticut River. Power is RS1 #405, ex Rutland.

Gulf Mobile & Ohio #1054 (RS1), formerly Illinois Terminal 754. #1054 was built March 1950 as Illinois Terminal #754 and was sold to Gulf Mobile & Ohio (GM&O) in March 1970. Left Illinois Central... (more)

Morristown & Erie RS-1 21, currently out of service, sits among other equipment at the Whippany Railway Museum.

A RS1 is working the yard in Marquette.

Chattahoochee Industrial Railroad RS1 #97, with the name "Old Ninety Seven" on the cab above the number, outside the shop complex. #97 was built by Alco in November 1947 as Washington T... (more)

Chattahoochee Industrial Railroad RS1's #3 and 118 work a cut of Seaboard Coast Line interchange cars at the south end of the CIRR yard. #3 was built June 1944 as Atlanta & St. Andrews Bay #909. ... (more)