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The EMD DE30AC and EMD DM30AC are 46 locomotives built in 1997–1998 by Electro-Motive Division in the Super Steel Plant in Schenectady, New York, for the Long Island Rail Road of the Metropolitan Transportation Authority (MTA) in New York. Originally with an equal number of DE and DM locomotives, the fleet currently consists of 24 DE30AC locomotives (engines that operate on diesel power only) and 21 DM30AC locomotives (engines that can operate on either diesel or third rail electric power).
Details and usage
The DE30AC and DM30AC locomotives replaced aging GP38s, Alco FA1/FA2s, F7As and F9As, and MP15AC and SW1001 locomotives, with GP38s used to push and pull diesel trains and other locomotives used to provide Head End Power for the trains. The bodies of the DE30AC and the DM30AC are extremely similar; the difference is the ability of the DM30AC to use electric third rail while the diesel engine is off, enabling the locomotive to use the East River Tunnels into New York Penn Station. This permits direct service from non-electrified lines in eastern Long Island via the western electrified main lines all the way to Penn Station. A few such trains a day run on the Port Jefferson, Montauk, Oyster Bay, and Greenport branches, usually during peak times.
Single engines run with six cars or fewer and engines are placed on the East (Montauk) end of the train. Generally two engines are used when there are seven or more cars. Of the original 46 locomotives, 45 are still in use. The one locomotive that was taken out of use was 503 (DM30AC), which was damaged in an accident at Huntington on October 23, 2000. It hit a shopping cart on the tracks, which shorted out the third rail and caused the locomotive to catch fire.[4] It sat in the LIRR's Morris Park Facility and had been stripped for spare parts to maintain the remainder of the fleet until July 2018, when it was scrapped. DM30AC 507 suffered an electrical cabinet failure, but unlike 503, it was saved by being converted into a DE30AC locomotive. It was renumbered to 423 and has since returned to service.
Gallery
DE30AC #421
DM30AC #515
The remnants of engine #503 (August 2011)
The remnants of the cab of engine #503 (August 2011)