#2000

PKP class Ok22

🇵🇱 Poland ·built by Hanomag· from 1923· class of 190 Polish 4-6-0 locomotives

10 photos from Wikimedia Commons · credits & licences

1. Ok22-23-3: Alf van Beem· CC0
2. Ok22-31: Michał Karkowski· CC BY-SA 3.0
3. Muzeum Techniki w Jaworzynie Śląskiej - Ty45-20, Ok22-23, Tr7-3, OKi2-27: Flyz1· CC BY-SA 4.0
4. Ok22-11 NAC 3 3 0 24 632 10 1 37460: Unknown author Unknown author· Public domain
5. Ok22-23 (38201327684): Hugh Llewelyn from Keynsham, UK· CC BY-SA 2.0
6. Ok22-23 (38881119612): Hugh Llewelyn from Keynsham, UK· CC BY-SA 2.0
7. Ok22-23-2: Alf van Beem· CC0
8. Ok22-31 (23991719987): Hugh Llewelyn from Keynsham, UK· CC BY-SA 2.0
9. Ok22-31 (27080400999): Hugh Llewelyn from Keynsham, UK· CC BY-SA 2.0
10. Parade of steam locomotives in Wolsztyn (2.5.1994) Ok22 31: MOs810· CC BY-SA 4.0

what is it?

PKP class Ok22 is a class of ordinary passenger (O) 4-6-0 (k) steam locomotive designed in 1922 for Polskie Koleje Państwowe (Polish State Railways, PKP).

who runs it

Polish State Railways Deutsche Reichsbahn

base stats

speed 100 km/htop speed
weight 78.9 tin working order
built 190made 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 103 years ago, in 1923.
Weighs about as much as 13 African elephants (~6 t each).
18.6 m long: about 4 cars parked nose to tail.

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

spec sheet

built: 1923–1934
status: preserved
number built: 190
kind: Steam
traction: steam
origin: 🇵🇱 Poland
builders: Hanomag, Fablok
operators: Polish State Railways, Deutsche Reichsbahn
top speed: 100 km/h
power: —
gauge: 1,435 mm standard gauge
wheel arrangement: 4-6-0
length: 18.6 m
weight: 78.9 t

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

Sources: Wikidata Q175539, Wikipedia: PKP class Ok22 (CC BY-SA 4.0).Updated 2026-10-25.