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  2. Pennsylvania Railroad class P5 - Wikipedia

    en.wikipedia.org/wiki/Pennsylvania_Railroad_class_P5

    [2] [3] [4] The PRR did not have any 4-6-4 steam locomotives, so the P5s were the only 4-6-4 type locomotives owned by the PRR. The first P5s were built with box cabs. A grade crossing accident in which the crew were killed led to the substitution of a central cab to give better crash protection, a streamlined steeple type, in later production ...

  3. 0-8-8-0 - Wikipedia

    en.wikipedia.org/wiki/0-8-8-0

    The Erie L-1s were camelback 0-8-8-0s 0-8-8-0 No. 8701 of the New York Central Railroad at Detroit, Michigan in 1921. This is a transfer locomotive. In the Whyte notation for classifying the wheel arrangement of steam locomotives, an 0-8-8-0 is a locomotive with two sets of eight driving wheels and neither leading wheels nor trailing wheels.

  4. Baldwin DR-12-8-1500/2 - Wikipedia

    en.wikipedia.org/wiki/Baldwin_DR-12-8-1500/2

    The Baldwin DR-12-8-1500/2 (known informally as the Centipede) was the Baldwin Locomotive Works' first serious attempt at a production road diesel locomotive.The Baldwin type designation was ' DR-12-8-1500/2, ' meaning Diesel Road locomotive, with 12 axles (8 of which were driven), and two engines of 1,500 horsepower (1,100 kW) each.

  5. Baldwin Locomotive Works - Wikipedia

    en.wikipedia.org/wiki/Baldwin_Locomotive_Works

    In 1944 Baldwin outshopped an S2 class 6-8-6 steam turbine locomotive for the Pennsylvania Railroad. Between 1947 and 1948 Baldwin built three coal -fired steam turbine-electric locomotives of a unique design, for passenger service on the Chesapeake & Ohio (C&O), who numbered them 500 to 502 and classified them M-1 .

  6. Pennsylvania Railroad class M1 - Wikipedia

    en.wikipedia.org/wiki/Pennsylvania_Railroad_class_M1

    The M1 was a class of steam locomotive of the Pennsylvania Railroad (PRR). It was a class of heavy mixed-traffic locomotives of the 4-8-2 "Mountain" arrangement, which uses four pairs of driving wheels with a four-wheel guiding truck in front for stability at speed and a two-wheel trailing truck to support the large firebox needed for sustained power.

  7. Third rail (model rail) - Wikipedia

    en.wikipedia.org/wiki/Third_rail_(model_rail)

    3 rail system. A key advantage for three-rail track is balloon loops, where a train enters a loop through a turnout and then exits through the same turnout in order to change the train's direction. With two-rail track, when the track reverses on itself, this causes a short circuit. With three-rail track, because the center rail remains constant ...

  8. Pennsylvania Railroad class GG1 - Wikipedia

    en.wikipedia.org/wiki/Pennsylvania_Railroad...

    This arrangement, first used on the PRR's Modified P5 class, provided for greater crew safety in a collision and provided for bi-directional operation of the locomotive. [5] Using Whyte notation for steam locomotives, each frame is a 4-6-0 locomotive, which in the Pennsylvania Railroad classification system is a "G". The GG1 has two such frames ...

  9. Pennsylvania Railroad E6 class - Wikipedia

    en.wikipedia.org/wiki/Pennsylvania_Railroad_E6_class

    The Pennsylvania Railroad Class E6 was the final type of 4-4-2 "Atlantic" locomotive built for the company, and second only to the Milwaukee Road's streamlined class A in size, speed and power. Although quickly replaced on the fastest trains by the larger K4s Pacifics, the E6 remained a popular locomotive on lesser services and some lasted ...