GE B36-7

Technical Specifics

The GE B36-7 was a four-axle diesel-electric road switcher produced by General Electric Transportation Systems between January 1980 and September 1985. Conceived as a successor to the earlier U36B, the B36-7 emerged from GE's ongoing refinement of its seven-series locomotive line and represented the builder's effort to offer a high-horsepower B-B unit suited to demanding mainline assignments. A total of 222 examples were constructed for North American railroads, with an additional eight units delivered to a Colombian coal mining operation, bringing total production to 230 locomotives. The first four B36-7s were delivered to the St. Louis Southwestern Railway, commonly known as the Cotton Belt, in January 1980 and served essentially as modified B30-7s incorporating increased output and several upgraded components. Official series production then followed at GE's Erie, Pennsylvania manufacturing facility. The second order was fulfilled for the Atchison, Topeka and Santa Fe Railway in the autumn of 1980. Through the middle years of the decade, significant orders came from Conrail, the Seaboard System Railroad, and the Southern Pacific, among others. Roughly 180 of the North American units were ultimately owned by just two eastern railroads, Seaboard System and Conrail, making those roads the dominant operators of the type. Seaboard System's units eventually passed to CSX Transportation following that railroad's formation in 1986. The B36-7s were deployed primarily in fast freight and intermodal service, where their high horsepower made them well suited to moving time-sensitive traffic. Production concluded in September 1985 with the delivery of the final unit to Seaboard System, by which point GE was transitioning its customers toward the more advanced Dash 8 series. The B36-7 thus represented one of the final expressions of GE's seven-series design philosophy before a substantial generational change in locomotive technology.

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Real-world information about this equipment type

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