LNER Class A4 4489 Dominion of Canada

4489 Dominion of Canada is an LNER Class A4 steam locomotive. It is a 4-6-2 locomotive built to the same design by Sir Nigel Gresley as the more famous Mallard. There were 35 A4 locomotives built in total. Originally numbered 4489, it was renumbered 10 on 10 May 1946, under the LNER 1946 renumbering scheme of Edward Thompson and, after nationalisation in 1948, British Railways added 60000 to its number so it became 60010 on 27 October 1948. It was renumbered back to 4489 following a cosmetic restoration at the National Railway Museum in York during late 2012 and early 2013.

Dominion of Canada
Dominion of Canada at the Canadian Railway Museum in its restored garter blue livery.
Type and origin
Power typeSteam
BuilderLNER, Doncaster Works
Serial number1854
Build date24 May 1937
Specifications
Configuration:
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 • Whyte4-6-2
 • UIC2'C1h3
Gauge4 ft 8+1⁄2 in (1,435 mm) standard gauge
Leading dia.3 ft 2 in (0.965 m)
Driver dia.6 ft 8 in (2.032 m)
Trailing dia.3 ft 8 in (1.118 m)
Boiler pressure250 psi (1.72 MPa)
CylindersThree
Cylinder size18.5 in × 26 in (470 mm × 660 mm)
Loco brakeSteam
Train brakesVacuum
Performance figures
Tractive effort35,455 lbf (157.7 kN)
Career
OperatorsLondon and North Eastern Railway, British Railways
ClassA4
Number in class11 of 35
NumbersLNER 4489,
LNER 10,
BR 60010
Official nameDominion of Canada
Withdrawn29 May 1965
Current ownerCanadian Railway Museum
DispositionStatic display at the Canadian Railway Museum in Saint-Constant, Quebec, Canada
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