BNSF GE Dash 8-40BW No. 566.

By Matthew J. Brown User:Morven - Own work, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=1367781

BNSF GE Dash 8-40BW No. 566.
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GE Dash 8-40BW
The Dash 8-40BW, or B40-8W, is a four-axle road switcher diesel locomotive built by GE Transportation Systems for the  Atchison, Topeka and Santa Fe Railway (ATSF) in the early 1990s. It is part of the GE Dash 8 Series of freight locomotives.

The locomotive model designation is interpreted as follows: B (B type truck arrangement, 2 axles per truck) 40 (4000 horsepower) -8 (the generation when it was designed, in this case meaning the late 1980s) W (Widecab).

ATSF was the only railroad to order the B40-8W, and a B unit (cabless booster unit) was almost made with it, but because the price would have been the same for B40-8Ws with cabs or without, they decided to order units with cabs only.

All of ATSF's B40-8Ws became part of BNSF Railway, and many of them were repainted into BNSF's "Heritage 2" paint scheme, although several units still retain their "Warbonnet" paint scheme from their previous careers with ATSF.

Disposition
In mid-2010, BNSF put 15 B40-8Ws up for sale. These units were on long-term lease and were returned to their lessor. Four units have been sold to the Providence and Worcester Railroad in Massachusetts. The PW sold one of their B40-8Ws to the Arkansas-Oklahoma Railroad.

Original owners

Owner: Atchison, Topeka and Santa Fe Railway

Quantity: 83
Road numbers: 500-582

Owner: General Electric

Quantity: 1
Road number: 809
Notes: wide cab prototype and testbed, rebuilt from B39-8E No. 808

Second-hand owners

Owner: Providence and Worcester Railroad

Quantity: 3
Former ATSF/BNSF Numbers: Ex-BNSF 561, 562 and 582

Owner: Nashville and Eastern Railroad

Quantity: 4
Former ATSF/BNSF Numbers: Ex-BNSF 568, 573, 574 and 579

Owner: Arkansas - Oklahoma Railroad

Quantity: 3
Former ATSF/BNSF Numbers: Ex-BNSF 567, 578, and 581

Owner: Great Western Railway of Saskatchewan

Quantity: 2
Former ATSF/BNSF Numbers: Ex-BNSF 575 and 563

GE Dash 8-40BW Overview
Type and origin
Power type: Diesel-electric
Builder: GE Transportation Systems
Model: Dash 8-40BW
Specifications
Configuration:
​ • AAR: B-B
Gauge: 4 ft 8 1⁄2 in (1,435 mm)
Wheel diameter: 40 in (1.016 m)
Wheelbase: 9 ft 0 in (2.74 m)
Length: 66 ft 4 in (20.22 m)
Width: 10 ft 1.5 in (3.09 m)
Height: 15 ft 4.5 in (4.69 m)
Locomotive weight: 280,000 lb (127,006 kg)
Performance figures
Maximum speed: 70 mph (113 km/h)
Power output: 4,000 hp (3,000 kW)
Tractive effort: 68,000 lb (30,844 kg)
Career
Locale: western United States

See also:

GE Transportation

GE Diesel-Electric Locomotives