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BQ23-7 Diesel Locomotive
Chessie
No. 745 -1981 Release
No. 41-650-09 -1982 Release
 
The Chessie example above illustrates the later version of the tooling with opened pilots for truck mounted couplers.

BQ23-7 Diesel Locomotive
SCL/L&N 
No. 746 -1981 Release
No. 41-650-23 -1982 Release

The BQ23-7 was a 1981 addition to the HO-scale diesel roster.  Two roadnames, Chessie and Family Lines (SCL/L&N), were offered.  The model's tooling differs from Bachmann's previous U36B shell and was unique to the BQ23-7 release.  This model's tooling provided the basis for the 1990s Bachmann Plus B23-7 release.
 
Information on Wikipedia states the GE prototype model is a variant of the B23-7 and was built in 1978-79.  The enhanced cab was a forerunner to today's wide cab locos, but a Q for Quarters was included in the designation and not the standard W for widecab found today. 
 
Bachmann's Family Lines models passes the prototype test with respect to SCL ownership and the roadnumber of 5131.  The Chessie System model with C&O 8226 is fiction.  The CSX would operate the ten BQ23-7's, following the combination of Chessie System and Seaboard System.
 
The Bachmann shell may be found in at least two variations.  Originally, the model had frame mounted couplers and a more fully filled out front and rear pilot.  Later examples carved out the pilots and truck mounted couplers were offered.  The model departs Bachmann's line around 1990.

 
Please note that this site was created for use by those with an interest in HO-scale model trains and does not necessarily represent the current Bachmann line available today. The author is not affiliated with,
nor representing Bachmann in any way.
This site is intended for your enjoyment and information only.