#5055
China Railways SS7B
🇨🇳 China ·built by CRRC Datong Co., Ltd.· from 1997· Chinese electric locomotive class
2 photos from Wikimedia Commons · credits & licences
- 1. China Railways SS7B 0002 20180526 01: Changzhensky· CC BY-SA 4.0
- 2. China Railways SS7B 0002 20180526 02: Changzhensky· CC BY-SA 4.0
what is it?
The Shaoshan 7B (Chinese: 韶山7B) is a type of electric locomotive used by China's national railway system China Railways. This locomotive was one of China's 25-ton axle load test locomotives in the 1990s.
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 29 years ago, in 1997.
- 4.8 MW is about 56 family cars (~85 kW each) flat out.
- 20.8 m long: about 5 cars parked nose to tail.
electric locomotive: Draws power from overhead wires or a third rail and pulls separate carriages.
spec sheet
- built
- 1997
- number built
- 2
- kind
- Electric
- traction
- electric
- origin
- 🇨🇳 China
- builders
- CRRC Datong Co., Ltd.
- operators
- Ministry of Railways of the People's Republic of China
- top speed
- 100 km/h
- power
- 4.8 MW
- gauge
- 1,435 mm standard gauge
- electric system
- 25 kV AC Catenary
- wheel arrangement
- Bo'Bo'Bo'
- length
- 20.8 m
From the Wikipedia infobox and Wikidata. Blank means the sources don't say.
Sources: Wikidata Q15902132, Wikipedia: China Railways SS7B (CC BY-SA 4.0).Updated 2026-10-25.