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Alstom PL42AC

🇺🇸 United States ·built by Alstom· from 2003· model of diesel-electric locomotives built by Alstom

Alstom PL42AC, photo 1 of 2
1/2 Phil Gengler· CC BY 2.5

what is it?

The Alstom PL42AC is a class of four axle B-B diesel-electric locomotive designed by Alstom in association with GM-EMD. 33 were built between 2003 and 2006 for NJ Transit Rail Operations.

who runs it

base stats

  • speed 160 km/htop speed
  • power 3.1 MWpower output
  • weight 130 tin working order
  • built 33made 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 23 years ago, in 2003.
  • Top speed is 1.2× a car on the Dutch motorway (130 km/h).
  • At full speed it would cover Amsterdam–Utrecht (≈ 40 km) in 15 minutes.
  • 3.1 MW is about 37 family cars (~85 kW each) flat out.
  • Weighs about as much as 22 African elephants (~6 t each).
  • 21 m long: about 5 cars parked nose to tail.

diesel locomotive: A diesel engine on board drives the wheels, usually through a generator (diesel-electric).

spec sheet

built
2003–2006
number built
33
kind
Diesel-electric
traction
diesel
origin
🇺🇸 United States
builders
Alstom
operators
New Jersey Transit Rail Operations, New Jersey Transit
top speed
160 km/h
power
3.1 MW
gauge
1,435 mm standard gauge
wheel arrangement
Bo′Bo′
length
21 m
weight
130 t

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

Sources: Wikidata Q7119558, Wikipedia: Alstom PL42AC (CC BY-SA 4.0).Updated 2026-10-25.

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