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Seaboard Coast Line (CSXT) BQ23-7 3001 brings a transfer run thru Blue Island, IL in November of 1991.
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One of the order of ten new General Electric BQ23-7, Seaboard Coast Line 5135, is at Chadbourn, NC, April 6, 1980. The large cab is designed for full crew quarters eliminating the need for a caboose in some applications such as branch line service. Photo by Warren Calloway
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One of the order of ten new General Electric BQ23-7, Seaboard Coast Line 5135, is at Chadbourn, NC, April 6, 1980. The large cab is designed for full crew quarters eliminating the need for a caboose in some applications such as branch line service.  Photo by Warren Calloway, CS Archives

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Seaboard Coast Line (CSXT) BQ23-7 3001 brings a transfer run thru Blue Island, IL in November of 1991.

By Source (WP:NFCC#4), Fair use, https://en.wikipedia.org/w/index.php?curid=59933702

GE BQ23-7 Diesel-Electric  Locomotive
The GE BQ23-7 was a model of diesel locomotive manufactured by General Electric, a variant of the B23-7 built between 1978 and 1979 (the 'Q' stood for "crew Quarters"). Mechanically identical to a regular B23-7, but equipped with an enlarged operating cab for accommodating the train crew, thus making a case for eliminating the caboose from the rear of freight trains. SCL Nos. 5130-5139 were the only ones built. Following a practice dating back to ACL and SAL U30Bs of 1967, SCL's 10 BQ23-7s and 30 standard B23-7s were delivered riding on reconditioned Blomberg trucks from EMD trade-ins.

Only ten were built, all for the Seaboard Coast Line railroad, (originally Nos. 5130–5139). CSX later inherited these locomotives, operating them into the late 1990s. These have come to be nicknamed "Busses" by the operating crews and "Aegis Cruisers" by some railfans, due to the boxy shape of the locomotive resembling the superstructure of the guided missile cruiser.

None of these locomotives survive today. All were scrapped in 2001.

GE BQ23-7 Overview
Type and origin
Power type: Diesel-electric
Builder: General Electric
Build date: 1978–1979
Total produced: 10
Specifications
Configuration:
​ • AAR B-B
Gauge: 4 ft 8 1⁄2 in (1,435 mm)
Trucks: Blomberg B
Career
Operators: Seaboard Coast Line Railroad, Seaboard System, CSX Transportation
Numbers: SCL 5130-5139
Nicknames: "Busses", "Aegis Cruisers"
Locale eastern: United States
Disposition: all scrapped 2001

See also:

GE Transportation

GE Diesel-Electric Locomotives