It's the Illinois Railway Museum's annual Diesel Days event, and on this Saturday the mainline trains were running primarily with hood units. Here, GBW 2407 rests on the west side of the museum ca... (more)

Santa Fe RSD-15 "Alligator" #847 leads four units on a westbound symbol train out of Summit in September 1969. Alco RSD-15 #847 with 2400 hp was built in 1960, Santa Fe rostered the... (more)

MARTIN UT August 9 1981. — Utah Railway RSD15 403 idles at the engine facility while awaiting its next coal train assignment. The alligator was built by Alco as Santa Fe 847 (b/n 83057) in June ... (more)

MARTIN UT Oct 5 1978 — Utah Railway RSD-15 403 idles at the engine facility while awaiting its next coal train assignment. The alligator was built by Alco as Santa Fe 847 (b/n 83057) in June 196... (more)

GB&W 2407, an Alco RSD-15, smokes it up as it leads the caboose train out of the Illinois Railway Museum grounds during the annual Diesel Days event.

A nice matched set of LS&I Alligators, led by 2404, brings an empty ore train across Morgan Creek in October of 1988. The train will soon enter the yard at Eagle Mills and head back to the dock wi... (more)

Cartier Railways Alco RSD15 92 is just out of the shop and being tested around the shop area. These were built for the B&LE as High nose units and chopped nosed by the Cartier. as a point of i... (more)

CLEBURNE TX June 4 1978 — Santa Fe RSD15 9818 rests in retirement at the Cleburne shops. The scrapper's torch is yet to come as this alligator is used for parts. Alco built the 9818 (s/n 83477) ... (more)

Three Alco RSD15 Gators and an RSD4 lead a Empty coal train into the Utah Railways yard on a Beautiful late afternoon in September 1976

MOHRLAND UT Aug 22 1981 — Utah Railway RSD15s 403, 401 and 402, all in aging Santa Fe paint, smoke as they begin to pull on a cut of cars at the Mohrland Loadout. According to utahrails.net all... (more)

The first three SP RSD-15's were delivered in September 1959 and transferred to the T&NO subsidiary as 250-252. Cotton Belt RSD-15's 850-859 arrived in February and March 1960. Like the SP trio... (more)

Utah Railway Alco RSD15 403 at Martin Yard with a Coal Empty. As the unit notches up it lets out a cloud of black smoke. typical Alco turbo lag. photo taken in the late afternoon on a nice fall ... (more)

In the setting sun, GBW 2407 shines in the sun outside of Barn 2 during Showcase Weekend 2020.

Three Lake Superior & Ishpeming alligators show that they’re hard at work at the ore docks in Marquette, Michigan.

A Lake Superior & Ishpeming “hill job” pulls a half-dozen empties from the ore docks in Marquette, Michigan. After they clear the right switch, they will back them onto the train of empties th... (more)