GE B23-7
Class (locomotive)
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The GE B23-7 is a diesel locomotive model that was first offered by GE in late 1977. Featuring a smaller 12 cylinder version of the FDL engine, it is the successor to GE's U23B produced from early 1968 to mid 1977, but at 62 ft 2 in long is... Wikipedia
Build date: 1977
Model: B23-7
Total produced: U.S. - 412 units; Mexico - 125 units