what is it?
Class D I of the Royal Bavarian State Railways (Königlich Bayerische Staatsbahn) was a tank locomotive with two coupled axles designed for shunting. As had been specified, these locomotives were simple and robust. They had a double-frame, with water tanks being suspended between the sole bars of the front section.
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 155 years ago, in 1871.
steam locomotive: Burns coal, wood or oil to boil water; the steam drives pistons that turn the wheels.
spec sheet
- built
- 1871
- retired
- 1923
- status
- retired
- number built
- 15
- kind
- steam locomotive
- traction
- steam
- origin
- 🇩🇪 Germany
- builders
- Maffei
- operators
- Royal Bavarian State Railways
- top speed
- 45 km/h
- power
- —
- gauge
- 1,435 mm standard gauge
- wheel arrangement
- 0-4-0
From the Wikipedia infobox and Wikidata. Blank means the sources don't say.
Sources: Wikidata Q812191, Wikipedia: Bavarian D I (CC BY-SA 4.0).Updated 2026-10-25.