GE Dash 8-40B

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GE Dash 8-40B
BNSF B40-8 no. 577 at Havelock, Nebraska, in October 2014
Type and origin Power type Diesel-electric Builder GE Transportation Model Dash 8-40B Build date 1988 – 1989 Total produced 151
Specifications Configuration: ​  • AAR B-B Gauge 4 ft 8+1⁄2 in (1,435 mm) standard gauge Prime mover GE 7FDL16
Performance figures Power output 4,000 hp (3,000 kW)
Career Operators Various, see list Class B40-8 Locale North America

The GE Dash 8-40B (or B40-8) is a 4-axle diesel-electric locomotive built by GE Transportation 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 (B40-8W) 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

Image	Railroad	Quantity	Road Numbers	Notes
	Atchison, Topeka and Santa Fe Railway	40	7410-7449	to BNSF
	Conrail	30	5060-5089	To NS, later sold to CSXT
	General Electric	1	8002
	New York, Susquehanna and Western Railway	24	4002-4048 (even nos.)	To CSX Nos. 4004, 4008, 4006, 4002 to P&W
	St. Louis Southwestern Railway	55	8040-8094	To Union Pacific
	United States Department of Energy (Savannah River Site)	1	107	Sold surplus in 2022. Now ATOM Rail 107

B20-8

The B20-8 is a downgraded version of the B40-8 with a 2000hp engine for smaller operations. It works on railroads such as N&E and other shortlines.

Preservation

• Union Pacific #1848, (ex-St. Louis Southwestern #8049) is preserved at the Illinois Railway Museum in Union, Illinois. It was donated by Union Pacific in 2014.

See also

• List of GE locomotives

References

• McDonnell, Greg (2008). Locomotives: The Modern Diesel and Electric Reference. Erin, Ontario: Boston Mills Press. ISBN 978-1550464931.
• Solomon, Brian (2003). GE Locomotives: 110 Years of General Electric Motive Power. St. Paul, MN, USA: MBI Publishing. ISBN 9780760313619.
• Solomon, Brian (2010). Modern Locomotives: High Horsepower Diesels 1966–2000. New York: Crestline. ISBN 978-0785826811.

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