The Pennsylvania Railroad's class DD2 was a single prototype electric locomotive never placed into series production. [3] It was intended as an improved and simplified GG1 for use on the planned, but never built, extension of the PRR's electrification west of …

Jan 14, 2021 · The final PRR-designed electric locomotive, the DD2 was an attempt at a dual-service design that got more power from fewer axles than the GG1. Set up for freight service, No. 5800 remained an orphan until it was scrapped in 1962.

The PRR wanted a dual passenger-freight electric locomotive and developed a 2-B+B-2 that incorporated the best features of the previous electric locomotives. The Altoona Shops built a single prototype of this husky streamlined 4-4-4-4 Class DD-2 and outshopped it in 1938.

The Pennsylvania Railroad's class DD2 electric locomotive was a single prototype locomotive never placed into series production. It was intended as an improved and simplified GG1 for use on the planned, but never built, extension of the PRR's electrification west of …

Mar 4, 2021 · The article said that this was planned for use both east and west of Harrisburgh, had the PRR electrification been extended west. Brief mention was made of an even bigger, 10,000 hp, 4-8+8-4 (2-D+D-2) design. PRR electrification reached Harrisburgh in 1940.

The DD2 was conceived as a dual-purpose locomotive with 5,000 horsepower. PRR built the lone DD2 in February of 1938, and although it was never duplicated, it worked until it was scrapped in the early 1960's.

Jul 18, 2018 · The PRR motive power engineers decided to develop a 2-D-2 (4-8-4 wheel arrangement) electric locomotive. They started with the P5a and added an additional driving axle which was powered by two 625 HP motors giving the new locomotive a total of 5,000 HP as compared to the 3,750 HP of the P5a.

The Pennsylvania Railroad 's steam locomotive class D2 (formerly Class B, pre-1895) comprised twenty 4-4-0 locomotives intended for mountain passenger helper service, constructed at the railroad's own Altoona Works (now owned by Norfolk Southern) during 1869–1880. [4] .

The Pennsylvania Railroad Class DD2 was a prototype electric locomotive that was built for the Pennsylvania Railroad. It was intended as an improved and simplified GG1 for use on the planned, but was never built, extension of the PRR's electrication west Harrisburg, PA.

Feb 2, 2003 · DD2:The DD2 was intended as the new freight locomotive required if the Pennsy's electrification was extended past Harrisburg, Pennsylvania to Pittsburgh or further. One prototype was produced in 1938, but the extension of the electrification never happened, and the DD2 was destined to be a solitary example.