The S2 was the sole example of the 6-8-6 wheel arrangement in the Whyte notation, with a six-wheel leading truck keeping the locomotive stable at speed, eight powered and coupled driving wheels, and a six-wheel trailing truck supporting the large firebox.

The single S2, No. 6200, in a PRR promotional image. Under the Whyte notation for the classification of steam locomotives by wheel arrangement, 6-8-6 represents the arrangement of six unpowered leading wheels, eight powered and …

Jun 30, 2023 · The sole member of PRR class S2 was completed in September 1944 with a 6-8-6 wheel arrangement, rather than 4-8-4 as first planned. It burned coal, of which PRR was the nation’s leading hauler. Massive gears on the S2’s middle two driving axles transmitted power from the turbine gearbox. Pennsylvania Railroad photo

Feb 4, 2012 · If you're interested in the Pennsylvania RR, there's a cover story in the new issue of "CLASSIC TRAINS MAGAZINE" (Spring '12) written by Preston Cook (formerly employed by EMD), on the only prototype of the #6200 Steam Turbine locomotive, built by the PRR, Baldwin & Westinghouse, that may interest you.

Buy Broadway Limited 6186 PRR S2 6-8-6 Turbine #6200, with Large Smoke deflectors, Paragon4 Sound/DC/DCC, Smoke, HO: Diesel - Amazon.com FREE DELIVERY possible on eligible purchases

1944 Pennsylvania Railroad NO. 6200 6-8-6 THIS YEAR marked a particular milestone for steam in that the Pennsylvania placed in service the first coal-burning locomotive without cylinders—the S2, first direct-drive steam turbine engine ever built in the United States.

May 5, 2023 · Take a trip down memory lane: explore the history of the infamous PRR 6-8-6 S2 steam turbine locomotive & its modern-day HO scale models.

The constant torque of the rotary turbine eliminated the power loss found in the reciprocating parts of a conventional steam locomotive. Even though the massive 6-8-6 weighed almost one million pounds, the S-2 exceeded the performance of a 6000 …

Realizing that diesel power was proving to be quite cost effective on other railroads, the Pennsylvania Railroad experimented with ways to make steam power more competitive with the diesel revolution. One bold new design deriving from the PRR's efforts was the S2 Steam Turbine.

Mar 24, 2025 · The large boiler sports a Belpaire firebox and the turbines exhaust was channeled through four pipes in the smoke box. A Worthington-style feedwater heater honed the S2's efficiency further. This iconic Pennsylvania Railroad steam locomotive is a must-have for every series PRR steam collector.