Union Pacific Dash 8-40B No. 1869.

(EASports,  Creative Commons Attribution-Share Alike 2.5 Generic, via Wikipedia Commons)

 

GE logo

GE B40-8 DIESEL-ELECTRIC LOCOMOTIVE

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.

 

BNSF B40-8 no. 577 at Havelock, Nebraska, in October 2014. As of 2015, this is the only active Dash 8 in ATSF blue and yellow paint on the BNSF system.

(Augy8400, CC BY-SA 4.0 <https://creativecommons.org/licenses/by-sa/4.0>, via Wikimedia Commons)

 

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 (even nos.)
St. Louis Southwestern Railway 55 8040-8094
United States Department of Energy (Savannah River Site) 1 107

UP 1848 at the the IRM, December 2020.

(D-Hunt1070, CC BY-SA 4.0 <https://creativecommons.org/licenses/by-sa/4.0>, via Wikimedia Commons)

 

Preservation

In July 2014, Union Pacific No. 1848, formerly St. Louis Southwestern No. 8049, was donated by the Union Pacific Railroad to the Illinois Railway Museum.

 

Overview

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 table above
Class: B40-8
Locale: North America