#6263
FS Class 691
🇮🇹 Italy ·built by Unknown builder· class of 33 Italian 4-6-2 locomotives, all rebuilt from FS class 690
6 photos from Wikimedia Commons · credits & licences
- 1. 20110726 FS 691 Milan Museo 6290: Jakub Hałun· CC BY-SA 4.0
- 2. 20110726 FS 691 Milan Museo 6312: Jakub Hałun· CC BY-SA 4.0
- 3. 20110726 FS 691 Milan Museo 6314: Jakub Hałun· CC BY-SA 4.0
- 4. 9606 - Milano - Museo della Scienza - Padiglione treni - Foto Giovanni Dall'Orto, 13-Sept-2009: Giovanni Dall'Orto .· Attribution
- 5. Locomotiva a vapore - Museo scienza tecnologia Milano D0320: Breda (costruttore), Ufficio Studi Locomotive (progettista)· CC BY-SA 4.0
- 6. Locomotiva a vapore 691.022 - Museo scienza tecnologia Milano D0320 01: Breda (costruttore), Ufficio Studi Locomotive (progettista)· CC BY-SA 4.0
what is it?
The Ferrovie dello Stato Italiane (FS; Italian State Railways) Class 691 (Italian: Gruppo 691) is a class of 4-6-2 'Pacific' locomotives; they were the fastest and most powerful steam locomotives ever built for the Italian railways.
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
- Weighs about as much as 16 African elephants (~6 t each).
- 13.9 m long: about 3 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
- —
- number built
- —
- kind
- Steam
- traction
- steam
- origin
- 🇮🇹 Italy
- builders
- Unknown builder
- operators
- Ferrovie dello Stato Italiane
- top speed
- 130 km/h
- power
- —
- gauge
- 1,435 mm standard gauge
- wheel arrangement
- 2′C1′ h4
- length
- 13.9 m
- weight
- 96 t
From the Wikipedia infobox and Wikidata. Blank means the sources don't say.
Sources: Wikidata Q3836162, Wikipedia: FS Class 691 (CC BY-SA 4.0).Updated 2026-10-25.