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 long is exactly . longer. It competed with the very successful
EMD GP38-2. General Electric also produced a variant, the
BQ23-7, no.5130-5139, for the
Seaboard Coast Line. A total of 537 B23-7's were built for 9 U.S. customers and 2 Mexican customers.