RC4 can refer to:
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A locomotive or engine is a rail transport vehicle that provides the motive power for a train. If a locomotive is capable of carrying a payload, it is usually rather referred to as multiple units, motor coaches, railcars or power cars; the use of these self-propelled vehicles is increasingly common for passenger trains, but rare for freight.
The AEM-7 is a twin-cab four-axle 7,000 hp (5.2 MW) B-B electric locomotive built by Electro-Motive Division (EMD) and ASEA between 1978 and 1988. The locomotive was a derivative of the Swedish SJ Rc4 designed for passenger service in the United States. The primary customer was Amtrak, which bought 54 for use on the Northeast Corridor and Keystone Corridor. Two commuter operators, MARC and SEPTA, also purchased locomotives, for a total of 65.
An electric locomotive is a locomotive powered by electricity from overhead lines, a third rail or on-board energy storage such as a battery or a supercapacitor.
Hyundai Rotem is a South Korean company manufacturing rolling stock, defense products and plant equipment. It is part of the Hyundai Motor Group. Its name was changed to the current one from Rotem in December 2007 to reflect its parent company.
The SJ Class Rc is the most used electric locomotive in Sweden. Rc is a universal locomotive used both in freight and passenger trains. The largest operator is Green Cargo, although SJ, Veolia Transport, Tågåkeriet, Hector Rail and the Swedish Transport Administration operate it as well.
The British Rail Class 21 was a type of Type 2 diesel-electric locomotive built by the North British Locomotive Company in Glasgow for British Railways in 1958-1960. They were numbered D6100-D6157.
A boxcab, in railroad terminology, is a locomotive in which the machinery and crew areas are enclosed in a box-like superstructure. It is a term mostly used in North America while in Victoria (Australia), such locomotives have been nicknamed "butterboxes". Boxcabs may use any source of power but most are diesel or electric locomotives. Few steam locomotives are so described but the British SR Leader class was a possible exception. Most American boxcabs date from before World War II, when the earliest boxcabs were often termed "oil-electrics" to avoid the use of the German name "Diesel" due to propaganda purposes.
B-B and Bo-Bo are the Association of American Railroads (AAR) and British classifications of wheel arrangement for railway locomotives with four axles in two individual bogies. They are equivalent to the B′B′ and Bo′Bo′ classifications in the UIC system. The arrangement of two, two-axled, bogies is a common wheel arrangement for modern electric and diesel locomotives.
NSB El 16 is an electric locomotive which is used on the Norwegian railway system by CargoNet to haul freight trains. Until it was replaced by the El 18, the El 16 engines also pulled passenger trains on the Norwegian State Railways.
CRRC Zhuzhou Locomotive Co., Ltd. is one of the electric locomotive manufacturers in China. It is one of the subsidiaries of CRRC.
The SNCF Class CC 6500 is a class of 1.5 kV DC electric locomotives. The CC 6500 was, together with the CC 40100 and diesel CC 72000, the first generation of the 'Nez Cassé' family of locomotives and designed for hauling express trains with speeds up to 200 km/h (124 mph) but also used for heavy freight trains. Among the trains they hauled in their first years of service were the SNCF flagship train Le Mistral and Trans Europ Express trains Aquitaine, Le Capitole and l'Étendard.
The GE E60 is a family of six-axle 6,000 hp (4.5 MW) C-C electric locomotives made by GE Transportation Systems (GE) between 1972 and 1983. The E60s were produced in several variants for both freight and passenger use in the United States and Mexico. GE designed the locomotive for use on the Black Mesa and Lake Powell Railroad (BM&LP), a dedicated coal-hauling route in Arizona, which began operation in 1973. That same year GE adapted the design for high-speed passenger service on Amtrak's Northeast Corridor. The largest customer was Ferrocarriles Nacionales de México (NdeM), the state-owned railroad in Mexico, which bought 39 for a new electrification project in the early 1980s.
WAP - 4 is a common electric locomotive used in India.
TCDD E52500 is a series of electric locomotives used by the Turkish State Railways, comprising 22 class 441-9 locomotives leased from Željeznice Federacije Bosne i Hercegovine in Bosnia-Herzegovina. They are used throughout the electrified parts of the Turkish rail network. The locomotives have a power output of 3,860 kW and are capable of 120, 140 or 160 km/h speed depending on the version.
The SJ Class Rm is an electric locomotive operated by Swedish State Railways and later Green Cargo. The six locomotives are variants of the Rc locomotive and built by ASEA in 1977. The difference is smaller wheels giving higher pulling force, but lower maximum speed. They were used in triple-unit configuration on Malmbanan as supplements to Dm3-units, but later moved to other parts of the Swedish rail network after the transport needs on Malmbanan were reduced. When originally used to haul iron ore they were ballasted, fitted with SA3 couplings and additional set of brakes, but all these modifications were removed when the locomotives were put in ordinary freight operation. In the 1990s they were repainted from orange to blue. When SJ was split up, they were transferred to Green Cargo, stationed in Malmö. In 2013–2014 they were used again for iron ore traffic on Malmbanan. They went between Svappavaara and Narvik for Northland Resources, using SA3 couplings. After the Northland bankruptcy they were parked but returned to service in 2016.
Rz was an electric locomotive built by ASEA to test out asynchronous motors. It was built in 1982 and closely related to the Rc-series. It was test run until 1989 on Siljansbanan, but there was never any mass production of it.
T45 is a Swedish diesel-electric locomotive operated by Swedish State Railways and later other companies. It was in passenger service with SJ from 1971 to 1976, after which it was used in heavy industry. It is the only diesel locomotive to be built by Allmänna Svenska Elektriska Aktiebolaget (ASEA).
The SJ Class Ma is an electric locomotive used by Swedish State Railways and later other railways. 41 copies were built by ASEA between 1953 and 1960. It is derived from the older Mg-series, but unlike its predecessor it is used for freight and passenger trains. It is the loco that has been in use the longest in Sweden.
Railway electrification in Iran describes the past and present electrification systems used to supply traction current to rail transport in Iran with a chronological record of development, a list of lines using each system, and a history and a technical description of each system.