The Pennsylvania Railroad's class A5s was the most powerful class of 0-4-0 steam locomotives. The Pennsylvania Railroad built 47 in its Juniata Shops between 1916–1924. They were all retired by 1957. One is preserved at the Railroad Museum of Pennsylvania.

The Pennsylvania Railroad's class A5s was the most powerful class of 0-4-0 steam locomotives. The Pennsylvania Railroad built 47 in its Juniata Shops between 1916–1924. They were all retired by 1957. One is preserved at the Railroad Museum of Pennsylvania.

Class: A5s. Built: 1917 by Pennsylvania Railroad, Juniata Shops, Altoona, Pennsylvania. Retired: 1956. Built to move railroad cars around, often assembling and disassembling trains, a switcher locomotive needed to be powerful, nimble, and compact.

3 days ago · I have gone through two copies of KEYSTONE STEAM & ELECTRIC by William Edson. It gives PRR construction numbers and railroad numbers. I have been using these for research since they came out in 1974! Here is the info you remembered: PRR 643 - assigned to the following - (G), H1, B4a, and finally A5s. Hope that helps!! Ron Muldowney

Feb 16, 2003 · Light-duty saddle-tank switcher in warehouses. Built at both Altoona and Wilmington. Data from [] (Viewed September 2002).. Class data from Bob Berkey's The Broad Way website. [] (visited 16 February 2003). Apparently, this class quickly met its match in ever-increasing locomotive weights.

Jul 7, 2019 · PRR 94 Altoona Works A5s 0-4-0 Reportedly, PRR 94 was built in 1917 by Altoona Works as a class A5s, builders number 3191. One of the heaviest 0-4-0’s ever built. The Pennsylvania Railroad was keen on this wheel arrangement due to complex street and tight industrial trackage across its broad network.

The class A5 were a class of 0-4-0 switcher steam locomotives built by Altoona Works for the Pennsylvania Railroad from 1916 to 1924. The A5's were a development of Pennsy's A class, which started in 1885 with the A1 and A2, formerly the Q class. Only one member of the class No. 94, has survived into preservation.

Feb 2, 2003 · A5s: 47 of these were built at Altoona, 1916-1924. Belpaire firebox, piston valve s, Walschaerts valve gear. Possibly the last 0-4-0 locomotives built for a major American railroad, and used on trackage that could not take a locomotive with a longer wheelbase.

Pennsylvania Railroad | Lancaster, Pennsylvania | A5s 0-4-0 steam switcher #3893 | at Engine House | September 30, 1933 | John Bowman, Jr. photo | 47 A5s 0-4-0 steam switchers built at PRR Juniata Ships 1916-24 | Retired by 1957 | One is preserved at Pennsylvania State Railroad Museum in Strasburg, Pa. | 2x2 neg #12

Sep 28, 2019 · The PRR Class A5s were the largest 0-4-0 switchers ever built and represented the PRR's propensity to beef up existing locomotive types as opposed to investing in unproven technology.