Belt Railway of Chicago
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The Belt Railway Company of Chicago, headquartered in Bedford Park, Illinois, is the largest switching terminal railroad in the United States. It is co-owned by the six Class I railroads of the United
Belt Railway's Clearing Yard
Looking toward the west yard of Clearing Yard, 1943.
Aerial photograph of the yard
Belt Railway ALCO Century 424 #602 locomotive in 1968.
Slug (railroad)
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In railroading, a slug is a version of a diesel–electric locomotive which lacks a prime mover and often a cab. It derives the electrical power needed to operate its traction motors and motor controls
Belt Railway of Chicago
…operates rebuilt Electro-Motive Diesel locomotives, such as the SD38, SD40, GP38, SW1500 and MP15DC switchers. As is popular in large hump yards, slugs are used in Clearing Yard to shove the hump. The Belt Railway Company of Chicago has been honored several times with E. H. Harriman Awards, in the…
Low-profile slug behind a full-sized diesel–electric. It has no cab or prime mover, though some slugs retain their cabs.
In contrast, a B unit has both a prime mover and traction motors, but never a cab.
A cabbed slug (CSXT No. 2354) leading its mother
SNCF Class 030 DA (then C 61000) yard locomotive and a TC 61100 yard slug