GE Dash 8-40B

The GE Dash 8-40B, also known as the B40-8, is a four-axle diesel-electric freight locomotive that GE Transportation built between 1988 and 1989 as part of the Dash 8 Series. A total of 151 were built for North American railroads. Variants include the Dash 8-40BW with a full-width cab and the Dash 8-40BP, better known as the Genesis series, which covers the P40DC, P42DC and P32AC-DM. The B20-8 is a downgraded version with a 2,000 horsepower engine for smaller operations such as the N and E and other shortlines. Union Pacific number 1848, formerly St. Louis Southwestern 8049, is preserved at the Illinois Railway Museum in Union, Illinois.