#1820

LSWR N15 class

🇬🇧 United Kingdom ·built by North British Locomotive Company· from 1918· class of 74 two-cylinder 4-6-0 locomotives

10 photos from Wikimedia Commons · credits & licences

1. SR N15 class 4-4-0 Sir Tristram 40448. location unknown: Sludge G· CC BY-SA 2.0
2. Class N15 King Arthur 30798 "Sir Hectimere", Wimbledon, 1960: Barry Lewis· CC BY 2.0
3. King Arthur class 30791 Sir Uwaine, Wimbledon, 1960: Barry Lewis· CC BY 2.0
4. King Arthur class 30803 Sir Harry le Fise Lake, Surbiton, winter 1958-9: Barry Lewis· CC BY 2.0
5. 30803 "Sir Harry le Fise Lake" at Wimbledon: Barry Lewis· CC BY 2.0
6. SR King Arthur class, 806 Sir Galeron (CJ Allen, Steel Highway, 1928): Andy Dingley (scanner)· Public domain
7. SR N15 4-6-0 30777 'Sir Lamiel' Tyseley Open Day, Birmingham 1969 (10253523875): Gillett's Crossing from Bristol, United Kingdom· CC BY 2.0
8. Maunsell A 4-6-0 ‘N-15 Locomotive: David Ingham from Bury, Lancashire, England· CC BY-SA 2.0
9. 777 SIR LAMIEL approaches Roodee Junction: David Ingham from Bury, Lancashire, England· CC BY-SA 2.0
10. 777 SIR LAMIEL at Guilden Sutton: David Ingham from Bury, Lancashire, England· CC BY-SA 2.0

what is it?

The LSWR N15 class is a British 4-6-0 2–cylinder express passenger steam locomotive designed by Robert Urie. The class has a complex build history spanning three sub-classes and ten years of construction from 1918 to 1927. The first batch of the class was constructed for the London and South Western Railway (LSWR), where they hauled heavy express passenger trains to the south coast ports and further west to Exeter.

who runs it

London and South Western Railway Southern Railway British Rail Southern Region of British Railways

base stats

weight 81.3 tin working order
built 74made 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 108 years ago, in 1918.
Weighs about as much as 14 African elephants (~6 t each).
20.1 m long: about 4 cars parked nose to tail.
Served for 44 years (1918–1962).

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

spec sheet

built: 1918–1927
in service from: 1918
retired: 1962
status: preserved
number built: 74
kind: Steam
traction: steam
origin: 🇬🇧 United Kingdom
builders: North British Locomotive Company, Eastleigh Locomotive, Carriage and Wagon Works
designer: Robert Urie, Richard Maunsell (redesign), Oliver Bulleid (modifications)
operators: London and South Western Railway, Southern Railway, British Rail, Southern Region of British Railways
top speed: —
power: —
wheel arrangement: 4-6-0
length: 20.1 m
weight: 81.3 t
nicknames: Eastleigh Arthurs, Scotch Arthurs, Scotchmen

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

Sources: Wikidata Q6460084, Wikipedia: LSWR N15 class (CC BY-SA 4.0).Updated 2026-10-25.