Pennsylvania Railroad Q2 class - Wikipedia
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 [clarification needed]. They were by far the most successful duplex type.
Pennsylvania 4-4-4-4, 6-4-4-6, etc. "Duplex Drive ... - Steam …
The Q2 was a rigid-wheelbase locomotive that was subdivided into two axle groups: the forward pair of axles were driven by 19 3/4-in diameter cylinders with a stroke of 28 inches. The rear cylinder pair, located between the front axle and the three-coupled rear group, had 23 3/4-in diam cylinders with a stroke of 29 inches.
4-4-6-4 PRR Class Q2 - Trains and Railroads
The Pennsylvania Railroad's class Q2 comprised one prototype and twenty-five production duplex steam locomotives of 4-4-6-4 wheel arrangement. All were built by PRR's Altoona Works.
Pennsylvania Railroad - Q2 - GREENCOAST STUDIOS
The Pennsylvania Railroad's class Q2 comprised one prototype and twenty-five production duplex steam locomotives of 4-4-6-4 wheel arrangement.
Pennsylvania Railroad Class Q2 | Locomotive Wiki | Fandom
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. They were by far the most successful duplex type.
Thoughts on the PRR Q-2 - RAILROAD.NET
Nov 15, 2024 · The Q-2 was designed for fast-freight service: internal PRR documents when it was being designed and built refer to it as a "High Speed Freight Locomotive." Apparently, however, its superiority over the J-1 only became noticeable …
Duplex locomotive - Wikipedia
The production Q2 locomotives were of 4-4-6-4 arrangement; they were the largest non-articulated locomotives ever built and the most powerful locomotives ever static-tested, producing 7,987 hp (5,956 kW) on the PRR's static-test plant. The Q2 locomotives were also the most powerful steam locomotive ever constructed with ten driving wheels.
Titan of the HO Scale Railroad: Broadway Limited Q2 PRR 4-4-6-4 …
Mar 12, 2022 · Therein is some great detail on the famous but short-lived steam freight locomotive, the Pennsylvania Railroad’s (PRR) Q2, which is what we’ll be covering here. The first Q2 was the 6131, which became a prototype for 25 additional units which numbered 6175-6199.
The PRR Q2 : r/trains - Reddit
The Pennsylvania Railroad (PRR for short) class Q2 consists of a single prototype (No. 6131) and 25 production duplex steam locomotives (numbered 6175-6199) of 4-4-6-4 wheel arrangement. They could be considered an evolution of their predecessor, the PRR Q1, which had a wheel arrangement of 4-6-4-4.
Broadway Limited 7802 HO PRR Q2 Duplex, 4-4-6-4, #6180, …
At 115,800 lbs of tractive effort and nearly 8,000 horsepower, the Q2s were the most powerful ten-coupled steam locomotives ever produced. These monsters were the greyhounds of the PRR, single-handedly hauling tonnage at high speeds over the PRR's lines.
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