#1514

DSER 20

Irish Free State ·built by Beyer, Peacock and Company· from 1911· Irish class of locomotive

1 photo from Wikimedia Commons · credits & licences

1. Irish 4-4-2T (46518266611): Trainiac from Australia· Public domain

what is it?

The DSER 20 class was a class of three 4-4-2T locomotives operated by the Dublin and South Eastern Railway and later the Great Southern Railways and CIÉ.

who runs it

Dublin and South Eastern Railway Great Southern Railways Córas Iompair Éireann

base stats

built 3made 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 115 years ago, in 1911.

steam locomotive: Burns coal, wood or oil to boil water; the steam drives pistons that turn the wheels.

spec sheet

built: 1911–1924
retired: 1959
status: retired
number built: 3
kind: Steam
traction: steam
origin: Irish Free State
builders: Beyer, Peacock and Company
designer: Cronin
operators: Dublin and South Eastern Railway, Great Southern Railways, Córas Iompair Éireann
top speed: —
power: —
gauge: 1,600 mm Irish broad gauge
wheel arrangement: 4-4-2T

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

Sources: Wikidata Q65080334, Wikipedia: DSER 20 (CC BY-SA 4.0).Updated 2026-10-25.