sncf231e Posted April 22, 2022 Share Posted April 22, 2022 (edited) The Pennsy had a number of Duplex locomotives. One of these was the 4-6-4-4 Q1 (of which only one was made). The two rear cylinders were at the back of the driving axles against the firebox. It was not a real success but Sunset 3Rd Rail made a model of the Q1 anyway. Regards Fred Edited April 30, 2022 by sncf231e 3 1 Link to post Share on other sites More sharing options...
sncf231e Posted April 30, 2022 Author Share Posted April 30, 2022 In this video not only the Q1 but also the T1 and Q2 Duplex locomotives are shown: 1 Link to post Share on other sites More sharing options...
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