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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 (80 km/h). [5] These were an improved version of the previous Q1 class, which was a 4-6-4-4 dual-purpose engine instead of a 4-4-6-4 freight engine.
A 4-4-6-4, in the Whyte notation for the classification of steam locomotives by wheel arrangement, is one that has four leading wheels followed by four coupled driving wheels, a second set of six coupled driving wheels and four trailing wheels. The Pennsylvania Railroad's Q2 class were the
A PRR wooden freight car with steel underframe PRR boxcar No. 19103 of PRR class X54. The Pennsylvania Railroad bought its first 75 freight cars in 1849. [3]: 20 Two years later, the Pennsy owned 439 freight cars. By 1857, it had 1,861 cars, and in 1866, 9,379 cars.
Pennsylvania Railroad: River Front Railroad: PRR: 1876 1903 Pennsylvania Railroad: Rochester, Beaver Falls and Western Railway: PRR: 1889 1890 Pennsylvania Company: Rochester, Nunda and Pennsylvania Railroad: 1873 1877 Sold at foreclosure; no property in Pennsylvania Rochester and Pittsburgh Railroad: B&O: 1881 1885 Pittsburgh and State Line ...
Pennsylvania Railroad class D1; Pennsylvania Railroad class D2; Pennsylvania Railroad class D3; Pennsylvania Railroad class D4; Pennsylvania Railroad class D5; Pennsylvania Railroad class D6; Pennsylvania Railroad class D7; Pennsylvania Railroad class D14; Pennsylvania Railroad class D15; Pennsylvania Railroad class D16; Pennsylvania Railroad ...
The other was the "Blue Ridge" class for the Virginian Railway. These were some of the most powerful reciprocating steam locomotives ever built, at 7,500 hp (which was exceeded by only the Pennsylvania Railroad class Q2 in indicated horsepower), and one of the heaviest at 386 tons for the locomotive itself plus 215 tons for the loaded tender.
Q1 was the last dual service locomotive designed by the Pennsylvania Railroad, but there is no substantial evidence showing that it was assigned to passenger service. Q1's design was able to reduce dynamic argument by 60% compared to the J1 class above 70 mph (110 km/h), but it exceeded the railroad's 50 mph (80 km/h) speed limit for the ...
The Pennsylvania Railroad K4 was a class of 425 4-6-2 steam locomotives built between 1914 and 1928 for the Pennsylvania Railroad (PRR), where they served as the primary mainline passenger steam locomotives on the entire PRR system until late 1957. Attempts were made to replace the K4s, including the K5 and the T1 duplex locomotive.