DM30AC
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DM30AC
The EMD DE30AC and DM30AC are a class of 46 locomotives built between 1997–1999 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 divided equally between the two types, the fleet currently consists of 24 DE30AC locomotives (diesel power only) and 20 DM30AC locomotives (diesel or third rail power). Details The DE30AC and DM30AC locomotives replaced aging GP38 locomotives, with GP38s used to push and pull diesel trains and other locomotives converted into power packs (cab control) 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 ...
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Long Island Rail Road
The Long Island Rail Road , often abbreviated as the LIRR, is a commuter rail system in the southeastern part of the U.S. state of New York (state), New York, stretching from Manhattan to the eastern tip of Suffolk County, New York, Suffolk County on Long Island. With an average weekday ridership of 354,800 passengers in 2016, it is the List of United States commuter rail systems by ridership, busiest commuter railroad in North America. It is also one of the world's few commuter systems that runs 24/7 year-round. It is Government-owned corporation, publicly owned by the Metropolitan Transportation Authority, which refers to it as MTA Long Island Rail Road. In , the system had a ridership of , or about per weekday as of . The LIRR logo combines the circular MTA logo with the text ''Long Island Rail Road'', and appears on the sides of trains. The LIRR is one of two commuter rail systems owned by the MTA, the other being the Metro-North Railroad in the northern suburbs of the New ...
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C3 (railcar)
The C3 is a bi-level coach railroad car built by Kawasaki. These cars began delivery in 1997, ordered by the Metropolitan Transportation Authority for the Long Island Rail Road. The rail cars are pulled and pushed by EMD DE30AC and DM30AC over both electrified and non-electrified territory. The C3 cars are powered by 480 V AC Head End Power (HEP) supplied from the locomotive. There are three types of C3 cars: cab car with toilet (C Car), trailer car (T Car), and trailer car with toilet (TT car). The C car is normally at the opposite end of a consist from the locomotive. The cars are connected to one another by a standard mechanical H type tightlock coupling, which is used across the board on all modern passenger equipment. MU, COMM, and 480 train line consist of the electrical jumpers. Air connections between the cars are made through two air hoses, brake pipe, and main reservoir. The C3s are the first trains on the LIRR to feature automated announcements with LED destinati ...
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Electro-diesel Locomotives
An electro-diesel locomotive (also referred to as a dual-mode or bi-mode locomotive) is a type of locomotive that can be powered either from an electricity supply (like an electric locomotive) or by using the onboard diesel engine (like a diesel-electric locomotive). For the most part, these locomotives are built to serve regional, niche markets with a very specific purpose. Overview Electro-diesel locomotives are used to provide continuous journeys along routes that are only partly electrified without a change of locomotive, avoid extensive running of ''diesel under the wires'' (using a diesel locomotive where electrified lines are available), and giving solution where diesel engines are banned. They may be designed or adapted mainly for electric use, mainly for diesel use or to work well as either electric or diesel. Note that, as well as the electric multiple unit (EMU) and diesel multiple unit (DMU), where no discrete locomotive is present, an electro-diesel (bi-mode) ...
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Third Rail
A third rail, also known as a live rail, electric rail or conductor rail, is a method of providing electric power to a railway locomotive or train, through a semi-continuous rigid conductor placed alongside or between the rails of a railway track. It is used typically in a mass transit or rapid transit system, which has alignments in its own corridors, fully or almost fully segregated from the outside environment. Third rail systems are usually supplied from direct current electricity. Modern tram systems, street-running, avoid the risk of electrocution by the exposed electric rail by implementing a segmented ground-level power supply, where each segment is electrified only while covered by a vehicle which is using its power. The third-rail system of electrification is not related to the third rail used in dual gauge railways. Description Third-rail systems are a means of providing electric traction power to trains using an additional rail (called a "conductor rail") fo ...
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EMD 710
The EMD 710 is a line of diesel engines built by Electro-Motive Diesel (previously General Motors' Electro-Motive Division). The 710 series replaced the earlier EMD 645 series when the 645F series proved to be unreliable in the early 1980s 50-series locomotives which featured a maximum engine speed of 950 rpm.40-series versions of the 645, save the initial teething problems with the 20-645E, which were eventually resolved, proved to be exceptionally reliable. The EMD 710 is a relatively large medium-speed two-stroke diesel engine that has displacement per cylinder, and a maximum engine speed of 900 rpm.Same parts suitable for 1000 rpm speed, yet rated lower because of earlier problems in EMD 645. Factory-fitted governor limits to 900 rpm. In 1951, E. W. Kettering wrote a paper for the ASME entitled, ''History and Development of the 567 Series General Motors Locomotive Engine'', which goes into great detail about the technical obstacles that were encountered during the developmen ...
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Port Jefferson Branch
The Port Jefferson Branch is a rail line and service owned and operated by the Long Island Rail Road in the U.S. state of New York. The branch splits from the Main Line just east of Hicksville and runs northeast and east to Port Jefferson. Several stations on the Main Line west of Hicksville are served primarily by trains bound to/from the Port Jefferson branch, so LIRR maps and schedules for the public include that part of the Main Line in the "Port Jefferson Branch" service. The Port Jefferson Branch is one of the busiest branches of the LIRR, with frequent electric service to Huntington where electrification ends, and diesel service east of Huntington continuing to Port Jefferson. The MTA also refers to the line as the "Huntington/Port Jefferson Branch" or "Huntington Branch". Service Port Jefferson Branch service (as distinct from the physical trackage called the Port Jefferson Branch) extends east from Floral Park, where the Hempstead Branch separates from the Main Line. T ...
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Pennsylvania Station (New York City)
Pennsylvania Station, also known as New York Penn Station or simply Penn Station, is the main intercity railroad station in New York City and the busiest transportation facility in the Western Hemisphere, serving more than 600,000 passengers per weekday . It is located in Midtown Manhattan, beneath Madison Square Garden in the block bounded by Seventh and Eighth Avenues and 31st and 33rd Streets, and in the James A. Farley Building, with additional exits to nearby streets. It is close to Herald Square, the Empire State Building, Koreatown, and Macy's Herald Square. Penn Station has 21 tracks fed by seven tunnels (the two North River Tunnels, the four East River Tunnels, and the single Empire Connection tunnel). It is at the center of the Northeast Corridor, a passenger rail line that connects New York City to Boston, Philadelphia, Washington, D.C., and intermediate points. Intercity trains are operated by Amtrak, which owns the station, while commuter rail services are ope ...
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Control Car
A control car, cab car (North America), control trailer, or driving trailer (UK and Ireland) is a non-powered rail vehicle from which a train can be operated. As dedicated vehicles or regular passenger cars, they have one or two driver compartments with all the controls and gauges required to remotely operate the locomotive, including exterior locomotive equipment such as horns, bells, ploughs, and lights. They also have communications and safety systems such as GSM-R or European Train Control System (ETCS). Control cars enable push-pull operation when located on the end of a train opposite its locomotive by allowing the train to reverse direction at a terminus without moving the locomotive or turning the train around. Control cars can carry passengers, baggage, and mail, and may, when used together with diesel locomotives, contain an engine-generator set to provide head-end power (HEP). They can also be used with a power car or a railcar. European railways have used control c ...
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Morris Park Facility
The Morris Park Facility is a maintenance facility of the Long Island Rail Road in Queens, New York City. It includes two employee-only side platforms on the Atlantic Branch named Boland's Landing. Two wooden platforms each 2 cars long exist on the two-track line, with a flashlight for workers to signal trains to stop. The facility opened on November 1, 1889. Though used for train storage for over a century, it is mainly used for maintaining and refueling diesel locomotives and diesel electric locomotives since the 1990s. The locomotive roundhouse was renovated in 2018, with construction being completed in late 2020. Description The Morris Park Facility covers about , and contains a locomotive shed and sidings for diesel locomotives and diesel electric locomotives. Originally it included a 23-stall brick locomotive roundhouse, an electric turntable, maintenance offices, and locomotive watering facilities. A smaller roundhouse and turntable, as well as a separate four-track shed, ...
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East River Tunnels
The East River Tunnels are four single-track railroad passenger service tunnels that extend from the eastern end of Pennsylvania Station under 32nd and 33rd Streets in Manhattan and cross the East River to Long Island City in Queens. The tracks carry Long Island Rail Road (LIRR) and Amtrak trains travelling to and from Penn Station and points to the north and east. The tracks also carry New Jersey Transit trains deadheading to Sunnyside Yard. They are part of Amtrak's Northeast Corridor, used by trains traveling between New York City and New England via the Hell Gate Bridge. History Construction The tunnels were built in the first decade of the 20th century as part of the New York Tunnel Extension. The original plan for the extension which was published in June 1901, called for the construction of a bridge across Hudson River between 45th and 50th Streets in Manhattan, as well as two closely spaced terminals for the LIRR and Pennsylvania Railroad (PRR). This would all ...
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Head End Power
In rail transport, head-end power (HEP), also known as electric train supply (ETS), is the electrical power distribution system on a passenger train. The power source, usually a locomotive (or a generator car) at the front or 'head' of a train, provides the electricity used for heating, lighting, electrical and other 'hotel' needs. The maritime equivalent is hotel electric power. A successful attempt by the London, Brighton and South Coast Railway in October 1881 to light the passenger cars on the London to Brighton route heralded the beginning of using electricity to light trains in the world. History Oil lamps were introduced in 1842 to light trains. Economics drove the Lancashire and Yorkshire Railway to replace oil with coal gas lighting in 1870, but a gas cylinder explosion on the train led them to abandon the experiment. Oil-gas lighting was introduced in late 1870. Electrical lighting was introduced in October 1881 by using twelve Swan carbon filament incandescent lamps c ...
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Oyster Bay Branch
The Oyster Bay Branch is a rail line and service owned and operated by the Long Island Rail Road in the U.S. state of New York. The branch splits from the Main Line just east of Mineola station, and runs north and east to Oyster Bay. The branch is electrified between East Williston and Mineola. History Early history The first phase of what is now known as the Oyster Bay Branch opened on January 23, 1865. The line was built by the Glen Cove Branch Rail Road, a subsidiary of the Long Island Rail Road, and extended to Glen Head.PRR chronology: 1865
''Pennsylvania Railroad Technical and Historical Society'' Retrieved July 12, 2009
On May 16, 1867 the railway was extended to Glen Cove (now known as ...
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