The Pennsylvania Railroad's steam locomotive class D5 (formerly Class G, pre-1895) comprised eighteen lightweight 4-4-0 locomotives for light duty,

maintenance-of-way A railway track (British English and UIC terminology) or railroad track (American English), also known as permanent way or simply track, is the structure on a railway or railroad consisting of the rails, fasteners, railroad ties (sleepers, ...

and branch-line service, constructed at the railroad's own Altoona Works (now owned by

Norfolk Southern The Norfolk Southern Railway is a Class I freight railroad in the United States formed in 1982 with the merger of Norfolk and Western Railway and Southern Railway. With headquarters in Atlanta, the company operates 19,420 route miles (31, ...

) during 1870–1873. They shared many parts with other standard classes, although less so with the heavy 4-4-0s on account of their lighter build; instead, they shared some components with 0-6-0 switcher classes F and H (later B1 and B2). The Class G locomotives had a straight-topped boiler, unlike the wagon-top of the other 4-4-0 classes.

References

{{DEFAULTSORT:Pennsylvania Railroad class D05 4-4-0 locomotives D05 Railway locomotives introduced in 1870 Scrapped locomotives Standard gauge locomotives of the United States Steam locomotives of the United States