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・ Alcmund
・ Alco (disambiguation)
・ ALCO 251
・ ALCO 300
・ ALCO 539T
・ ALCO boxcab
・ ALCO Century 415
・ ALCO Century 420
・ ALCO Century 424
・ ALCO Century 425
・ ALCO Century 430
・ ALCO Century 624
・ ALCO Century 628
・ ALCO Century 630
・ ALCO Century 636
ALCO Century 855
・ ALCO Century Series locomotives
・ ALCO DH643
・ ALCO DL-109
・ ALCO DL-202
・ ALCO DL420
・ ALCO DL500B
・ ALCO DL531
・ ALCO DL560C
・ ALCO FA
・ Alco Gravure
・ ALCO HH series
・ ALCO MRS-1
・ ALCO PA
・ ALCO RS-1


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ALCO Century 855 : ウィキペディア英語版
ALCO Century 855

The ALCO Century 855 was ALCO's most powerful diesel-electric locomotive and, at the time, the most powerful diesel locomotive ever built. Powered by a pair of 16 cylinder ALCO 251C diesel engines, and rated at , it was ALCO's answer to the EMD DD35 and the GE U50. The C855 rode on four two-axle trucks, grouped in pairs linked by span bolsters, giving a wheel arrangement of B+B-B+B. The trucks and bolsters were similar to those under UP's earlier turbine locomotives. Only two A units and one B unit were built, all for Union Pacific Railroad, which had also requested double-engined locomotives from EMD and GE in order to replace the turbines, which had become uneconomical to operate. Union Pacific also wished to reduce the number of locomotives needed on a consist, to keep in line with their allowable gross weight limit. By consolidating several locomotives into one or two, this allowed them to lower the axle load on the rails, but to stay within the limits placed by the company. They spent their lives in the general freight pool at North Platte, however poor performance led to their early retirement and eventual scrapping by February 1972.
== See also ==

* List of ALCO diesel locomotives



抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
ウィキペディアで「ALCO Century 855」の詳細全文を読む



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