#0745
JGR Class 3900
🇯🇵 Japan ·built by Maschinenfabrik Esslingen· from 1892· class of 7 Japanese 0-6-0T rack locomotives
1 photo from Wikimedia Commons · credits & licences
- 1. JGR-3900SL: 日本国有鉄道工作局/Kone· Public domain
what is it?
The JGR Class 3900 was a type of 0-6-0T steam locomotive used on Japanese Government Railways. The locomotives were imported from Germany for the 11.2 km (7.0 miles) Abt rack railway system which traversed the Usui Pass on the Shin'etsu Main Line between Yokokawa Station in Annaka, Gunma and Karuizawa Station in Karuizawa, Nagano.
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 134 years ago, in 1892.
- Weighs about as much as 6 African elephants (~6 t each).
- 9.1 m long: about 2 cars parked nose to tail.
- Served for 30 years (1892–1922).
steam locomotive: Burns coal, wood or oil to boil water; the steam drives pistons that turn the wheels.
spec sheet
- built
- 1892
- in service from
- 1892
- retired
- 1922
- status
- retired
- number built
- 7
- kind
- Steam
- traction
- steam
- origin
- 🇯🇵 Japan
- builders
- Maschinenfabrik Esslingen
- operators
- Imperial Railway Board, Board of Imperial Railways, Ministry of Railways, Government Railway Works Bureau
- top speed
- —
- power
- —
- gauge
- 1,067 mm Cape gauge
- wheel arrangement
- 0-6-0
- length
- 9.1 m
- weight
- 35.5 t
From the Wikipedia infobox and Wikidata. Blank means the sources don't say.
Sources: Wikidata Q11421609, Wikipedia: JGR Class 3900 (CC BY-SA 4.0).Updated 2026-10-25.

