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12/25/2024
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Viewing Album:  B&O's Only Duplex Drive 4-4-4-4
 
By:Gary Everhart
Dates:6/1/1942 - 6/1/1942
Album Info:Here is a b&w photo of a very rare Baltimore & Ohio steam locomotive - its only duplex drive 4-4-4-4. According to SteamLocomotive.com website, "this unusual "4-8-4" was actually a duplex drive on a rigid wheelbase (unlike articulated or Mallet-type locomotives). The result was a 4-4-4-4; the front set were arranged conventionally, the rear set were reversed. Note the small piston diameter, the oddball stroke, and the high boiler pressure generated by the Emerson water-tube boiler. This was the only B&O engine with duplex drive."
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B&O 4-4-4-4 #5600 - Baltimore & Ohio
Title:  B&O 4-4-4-4 #5600 - Baltimore & Ohio
Description:  Being the only duplex drive locomotive B&O built and used, it has a special place in railroading history. Built by the B&O shops in May, 1938, it proved unsatisfactory for a number of reasons and was eventually pulled from service in 1943. B&O expressed no further interest in duplex drives as a result.
Photo Date:  6/1/1942  Upload Date: 10/29/2013 11:46:15 AM
Location:  Dayton, OH
Author:  Gary Everhart
Categories:  Roster,Steam,Passenger
Locomotives:  BO 5600(4-8-4)
Views:  1702   Comments: 4

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