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#1269

Pennsylvania Railroad class AA1

🇺🇸 United States ·built by Westinghouse Electric Corporation· from 1905· class of 2 experimental American electric locomotives

Pennsylvania Railroad class AA1, photo 1 of 2
1/2 Pennsylvania Railroad· Public domain

what is it?

The Pennsylvania Railroad's class AA1 comprised two experimental electric locomotives constructed in 1905 by the company's own Altoona Works with the assistance of Westinghouse. Intended as testbeds as the PRR began its electrification project, both locomotives remained service into the 1930s.

who runs it

base stats

  • weight 78.9 tin working order
  • built 2made 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 121 years ago, in 1905.
  • Weighs about as much as 13 African elephants (~6 t each).
  • Served for 25 years (1905–1930).

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

spec sheet

built
1905
in service from
1905
retired
1930
status
retired
number built
2
kind
Electric
traction
electric
origin
🇺🇸 United States
builders
Westinghouse Electric Corporation, Altoona Works
operators
Long Island Rail Road, Pennsylvania Railroad
top speed
—
power
—
wheel arrangement
B-B
weight
78.9 t

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

Sources: Wikidata Q7120461, Wikipedia: Pennsylvania Railroad class AA1 (CC BY-SA 4.0).Updated 2026-10-25.

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