GE Dash 8-40B
The GE Dash 8-40B is a 4-axle road switcher diesel-electric locomotive built by GE Transportation Systems between 1988 and 1989. It is part of the GE Dash 8 Series of freight locomotives.
A total of 151 examples of this locomotive were built for North American railroads.
The GE Dash 8-40BW is a variant fitted with a full-width cab. Another variant is the GE Dash 8-40BP, more commonly known as the Genesis series. The locomotives in the Genesis series are the P40DC, the P42DC, and the P32AC-DM.
Original Owners
| Railroad | Quantity | Road numbers | Notes |
| Atchison, Topeka and Santa Fe Railway | 40 | 7410-7449 | |
| Conrail | 30 | 5060-5089 | |
| General Electric | 1 | 8002 | |
| New York, Susquehanna and Western Railway | 24 | 4002-4048 | |
| St. Louis Southwestern Railway | 55 | 8040-8094 | |
| United States Department of Energy | 1 | 107 |