1 photo from Wikimedia Commons · credits & licences
- 1. CIE 134: Manfred Kopka· CC BY-SA 4.0
what is it?
The Córas Iompair Éireann 121 Class were diesel-electric locomotives manufactured by General Motors Electro-Motive Division. These locomotives were in regular service on the Irish railway network until 2002, with the last two remaining in service until early 2008.
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 66 years ago, in 1960.
- 820 kW is about 10 family cars (~85 kW each) flat out.
- Weighs about as much as 11 African elephants (~6 t each).
diesel locomotive: A diesel engine on board drives the wheels, usually through a generator (diesel-electric).
spec sheet
- built
- 1960–1961
- number built
- 15
- kind
- Diesel-electric
- traction
- diesel
- origin
- 🇺🇸 United States
- builders
- General Motors, Electro-Motive Diesel
- operators
- Córas Iompair Éireann
- top speed
- 124 km/h
- power
- 820 kW
- gauge
- 1,600 mm Irish broad gauge
- wheel arrangement
- Bo′Bo′
- weight
- 64 t
From the Wikipedia infobox and Wikidata. Blank means the sources don't say.
Sources: Wikidata Q4455273, Wikipedia: CIÉ 121 Class (CC BY-SA 4.0).Updated 2026-10-25.