|Added as a cross-promotion for the release of Seaport for mobile devices on 15 Feb 2018. One of these locomotives (based on current TS level) was gifted to the player by Mr. Bill for installing the mobile version of Seaport from the mobile version of TrainStation. The locomotives offered are:|
| The Pennsylvania Railroad's class Q2 comprised one prototype and twenty-five production duplex steam locomotives of 4-4-6-4 wheel arrangement. They were the largest non-articulated locomotives ever built and the most powerful locomotives ever static tested, producing 7,987 cylinder horsepower (5,956 kW) on the PRR's static test plant. The Q2 locomotive was 78% more powerful than the locomotives that PRR had in service at the time, and the company claimed the Q2 could pull 125 freight cars at a speed of 50 mph.|
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