LNER Class A4 4464 Bittern

4464 Bittern is a London and North Eastern Railway (LNER) Class A4 steam locomotive. Built for the LNER and completed on 18 December 1937 at Doncaster Works as works number 1866, it received number 4464. After that it was renumbered 19 on 16 August 1946 under the LNER 1946 renumbering scheme, and finally 60019 by British Railways on 10 October 1948, after nationalisation. Of the 35 strong class, it is one of six to survive into preservation but it is one of only two currently scheduled to be certified for mainline use.

Bittern
60019 Bittern running on the ECML with a second tender in 2010.
Type and origin
Power typeSteam
BuilderDoncaster Works
Serial number1866
Build date18 December 1937
Specifications
Configuration:
​
 • 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 brakesLNER/BR: Vacuum
Current: Dual air and Vacuum
Performance figures
Tractive effort35,455 lbf (157.7 kN)
Career
OperatorsLNER, British Railways
ClassA4
Number in class24 of 35
NumbersLNER 4464
LNER 19
BR 60019
Official nameBittern
Withdrawn3 September 1966
Restored2007
Current ownerJeremy Hosking
DispositionStatic display, awaiting overhaul
Official Website - Bittern on Icons Of Steam

In preservation, the locomotive has also worn the identities of a number of its scrapped classmates, including the first of the A4 class 2509 Silver Link and most recently as 4492 Dominion of New Zealand.

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