#0559

KkStB 73

🇦🇹 Austria ·built by Lokomotivfabrik der StEG· from 1885· class of 453 Austrian two-cylinder 0-8-0 locomotives

9 photos from Wikimedia Commons · credits & licences

1. 73.372 Railway Museum of Slovenian railways, 2007: Bahnfrend· CC BY-SA 4.0
2. ÖBB 55.5708 strasshof 2017-05-02: Loco Steve from Bromley , UK· CC BY-SA 2.0
3. KkStB 73 284: Unknown author Unknown author· Public domain
4. Zakopane 2× lok kkStB 73: Unknown author Unknown author· Public domain
5. LJ07-Railway Museum-Freight Locomotive-73-372-1 3D: VasuVR· CC BY 4.0
6. Ljubljana (53371283539): Julien Maury· Public domain
7. Ljubljana 064: Panhard· CC BY 2.5
8. Ljubljana Railway Museum kkStB 73-372 (1) 2019-07-12: Herbert Ortner· CC BY 4.0
9. Ljubljana Railway Museum kkStB 73-372 (2) 2019-07-12: Herbert Ortner· CC BY 4.0

what is it?

The kkStB 73 were a class of 0-8-0 steam locomotives of operated by the Imperial Royal Austrian State Railways (kaiserlich-königliche österreichische Staatsbahnen, k.k.St.B.), for freight duties.

who runs it

Austrian Federal Railways Polish State Railways Ferrovie dello Stato Italiane Imperial Royal Austrian State Railways Deutsche Reichsbahn Căile Ferate Române Československé státní dráhy Yugoslav Railways Bundesbahnen Österreich

base stats

speed 35 km/htop speed
weight 47.5 tin working order
built 453made 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 141 years ago, in 1885.
Weighs about as much as 8 African elephants (~6 t each).

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

spec sheet

built: 1885–1909
number built: 453
kind: steam locomotive
traction: steam
origin: 🇦🇹 Austria
builders: Lokomotivfabrik der StEG, ČKD, Wiener Neustädter Lokomotivfabrik, Lokomotivfabrik Floridsdorf, Lokomotivfabrik Krauss & Comp., První Českomoravská továrna na stroje
operators: Austrian Federal Railways, Polish State Railways, Ferrovie dello Stato Italiane, Imperial Royal Austrian State Railways, Deutsche Reichsbahn, Căile Ferate Române, Československé státní dráhy, Yugoslav Railways, Bundesbahnen Österreich
top speed: 35 km/h
power: —
gauge: 1,435 mm standard gauge
wheel arrangement: 0-8-0
weight: 47.5 t

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

Sources: Wikidata Q18684, Wikipedia: KkStB 73 (CC BY-SA 4.0).Updated 2026-10-25.