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Each engine drove its own electrical generator to power the traction motors. The E6 was the seventh model in a long line of passenger diesels of similar design known as EMD E-units. Compared with passenger locomotives made later by EMD, the noses of the E3, E4, E5, and E6 cab units had pronounced slants when viewed from the side. Therefore ...
Diesel Locomotives: The First 50 Years: A Guide to Diesels Built Before 1972. Railroad Reference Series. Waukesha, Wisconsin: Kalmbach Publishing. ISBN 978-0-89024-258-2. Marre, Louis A.; Pinkepank, Jerry A.; Drury, George H. (1995). The Contemporary Diesel Spotter's Guide: A comprehensive reference manual to locomotives since 1972. Railroad ...
The ALCO S-2 and S-4 are 1,000-horsepower (746 kW) diesel electric switcher locomotives produced by ALCO and Canadian licensee Montreal Locomotive Works (MLW). [1]Powered by turbocharged, 6-cylinder ALCO 539 diesel engines, the two locomotives differed mainly in their trucks: the S-2 had ALCO "Blunt" trucks; the S-4, AAR type A switcher trucks.
In addition, the EP-1 units were converted to EF-1 specification in 1920. Milwaukee Road class EF-2 - 3-unit boxcab sets formed from EF-1s in the 1930s. Milwaukee Road class EF-3 - 3-unit boxcab sets formed from EF-1s with the middle unit shortened by removing the cab and leading truck; the resultant B units were known as "bobtails".
As locomotives of EMC's own standardized design produced in-house, expandable to meet various power requirements, the E-units marked the arrival of Diesel power benefiting from economies of scale and were adequate for full-sized consists, a significant threshold in the viability of Diesel motive power as a replacement for steam in passenger ...
The E6 was designed by the PRR's General Superintendent of Motive Power, Lines East, Alfred W. Gibbs, and his team.They produced an Atlantic of modern design, featuring a large and free-steaming boiler, outside Walschaert valve gear, piston valves on the cylinders, and a cast steel KW pattern trailing truck designed by the PRR's Chief Mechanical Engineer, William F. Kiesel, Jr.
The body dimensions were the same as that of the later models of the Class 5E1, Series 5 and the most visually obvious external difference was the replacement of the three small vertically arranged grilles to the right of centre on each side of the Classes 5E and 5E1 with a larger double grille on each side of the Class 6E.
The power output of the engine. {{{power original}}} For some engines the power output may have been originally measured in an unconventional unit. For example, older German engines originally had their power measured in Pferdestärke (PS). Sample usage of this parameter: |power original=<ref>Originally measured as 15,000 [[Pferdestärke|PS]].