#1485
Pennsylvania Railroad class DD1
🇺🇸 United States ·built by Altoona Works· from 1910· class of 66 (33 pairs) of American 2′B+B2′ electric locomotives
2 photos from Wikimedia Commons · credits & licences
- 1. PRR DD1: Wikimedia Commons· Public domain
- 2. PRR DD1 running gear: Wikimedia Commons· Public domain
what is it?
The Pennsylvania Railroad DD1 was a class of boxcab electric locomotives built by the Pennsylvania Railroad. The locomotives were developed as part of the railroad's New York Tunnel Extension, which built the original Pennsylvania Station in New York City and linked it to New Jersey via the North River Tunnels. The Pennsylvania built a total of 66 locomotives in its Altoona Works; they operated in semi-permanently coupled pairs.
who runs it
base stats
Bars compare against all trains: 600 km/h (maglev), 1,700 seats; power, weight and number built on a log scale up to 20 MW, 1,000 t and 20,000 built.
fun facts
- First built 116 years ago, in 1910.
- 1.2 MW is about 14 family cars (~85 kW each) flat out.
- Weighs about as much as 24 African elephants (~6 t each).
- 19.5 m long: about 4 cars parked nose to tail.
electric locomotive: Draws power from overhead wires or a third rail and pulls separate carriages.
spec sheet
- built
- 1910–1911
- number built
- 66
- kind
- Electric
- traction
- electric
- origin
- 🇺🇸 United States
- builders
- Altoona Works
- operators
- Long Island Rail Road, Pennsylvania Railroad
- top speed
- 137 km/h
- power
- 1.2 MW
- gauge
- 1,435 mm standard gauge
- wheel arrangement
- 4-4-0+0-4-4
- length
- 19.5 m
- weight
- 142 t
From the Wikipedia infobox and Wikidata. Blank means the sources don't say.
Sources: Wikidata Q7120476, Wikipedia: Pennsylvania Railroad class DD1 (CC BY-SA 4.0).Updated 2026-10-25.