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#2602

Pennsylvania Railroad class DD2

🇺🇸 United States ·built by Altoona Works· from 1938· class of 1 American (2′Bo)(Bo2′) electric locomotive

what is it?

The Pennsylvania Railroad's class DD2 was a single prototype electric 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 Harrisburg, Pennsylvania. The one locomotive produced was numbered #5800 and used in regular Baltimore tunnel helper service until it was scrapped in September 1962.

who runs it

base stats

  • speed 113 km/htop speed
  • power 3.7 MWpower output
  • weight 204 tin working order
  • built 1made in total

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 88 years ago, in 1938.
  • 3.7 MW is about 44 family cars (~85 kW each) flat out.
  • Weighs about as much as 34 African elephants (~6 t each).
  • 22 m long: about 5 cars parked nose to tail.
  • Served for 24 years (1938–1962).

electric locomotive: Draws power from overhead wires or a third rail and pulls separate carriages.

spec sheet

built
1938
in service from
1938
retired
1962
status
retired
number built
1
kind
Electric
traction
electric
origin
🇺🇸 United States
builders
Altoona Works
operators
Pennsylvania Railroad
top speed
113 km/h
power
3.7 MW
gauge
1,435 mm standard gauge
electric system
11 kV, AC 25 Hz overhead
wheel arrangement
4-4-0+0-4-4
length
22 m
weight
204 t

From the Wikipedia infobox and Wikidata. Blank means the sources don't say.

Sources: Wikidata Q7120477, Wikipedia: Pennsylvania Railroad class DD2 (CC BY-SA 4.0).Updated 2026-10-25.

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