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6-8-6 Turbine Steam Locomotives

Lionel model S2 turbine

This was the Pennsylvania Railroad's grand experiment, the S2 class -- a steam locomotive using a turbine as its power source.  It was unique in its design -- and something of a unique failure.  It remained one-of-a-kind.  Though in real life it was a failure, it inspired generations of models in its image.  The most famous of the Lionel models, #681 from the postwar period, is shown above.   A later (2000 vintage) model, by MTH in their RailKing line, is shown below.

MTH RK turbine

MTH RK turbine

MTH Turbine

Some photos of the prototype are below.

Pennsy Turbine

PRR 6200 turbine

PRR turbine

Last updated: 22 Jan 2020

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