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Preserved LocomotivesSteam Loco BR 60022 MALLARD  LNER 4468

Ex LNER Gresley 4-6-2 Class A4 Pacific Locomotive

Heritage & Preserved Steam Locomotive Engines

60022 MALLARD is the fastest steam locomotive in the world!

My Archive Steam Photos from the 1960s

[Author © Dr WP Brown PhD (plus 'DocsPics' help from AI),

page updated January 2nd 2026]

* Doc Brown's Science Website biology chemistry physics *

60022/4468 MALLARD in York NRM, with a good overview of the Main Hall, where once the York locomotive depot roundhouse stood.

The driving cab of steam locomotive 60022 MALLARD (York NRM May 2024)

The driving cab of steam locomotive 60022 MALLARD (York NRM May 2024)

 

BR 60022, LNER 4468 MALLARD is truly magnificent locomotive in the NRM in York

BR 60022, LNER 4468 MALLARD is truly magnificent locomotive in the NRM in York.

 

The blue liveried, and the most famous LNER A4 Pacific 4-6-2 locomotive  4468/60022 MALLARD in York National Railway Museum, built at the famous Doncaster Plant Works in 1937 (LNER 4468).

Technical detail specifications of locomotive 60022/4468: Boiler pressure of 60022/4468: 250 superheated lbf/sq.in., Weight of 60022/4468: loco 102.3 tons, tender 64.2 tons, Wheel diameter of 60022/4468: 3' 2'', 6' 8", 3' 8", Valve gear of 60022/4468: Walschaerts with derived motion for inside cylinder, piston valves, Cylinders (diameter x stroke) of 60022/4468: 18½" x 26" (3), Tractive effort of 60022/4468:  lbf., BR Power classification of 60022/4468: Class 8P, Route availability RA 9

 

 

The gleaming controls and gauges in the cab of the famous

The gleaming controls and gauges in the cab of the famous 4468 MALLARD LNER A4 4-6-2 pacific, world speed record holder (126mph in 1938) for a steam locomotive. 60022/4468 was originally built for the London and North Eastern Railway Company (LNER).

 

The driving cab of the A4 Pacific  60022/4468 MALLARD

 

Front profile of Sir Nigel Gresley's famous LNER 4468-22 4-6-2 Pacific locomotive BR 60022 LNER 4468 MALLARD, carrying the headboard of the famous express passenger train THE CORONATION

 

In 2010-2011 Gresley Pacific 4468 Mallard made a guest appearance at Shildon NRM 'Locomotion' railway museum.

 

 

4468 MALLARD alongside its great rival, the equally streamlined Stanier Pacific 6229 in LMS maroon in York NRM.

LNER A4 No. 4468 / BR 60022 “Mallard” is the world’s fastest steam locomotive, built in 1938 and preserved at the National Railway Museum in York. It has carried multiple numbers and liveries, and its shed allocations and operational history reflect its elite status among express passenger locomotives.

Technical Specifications of 60022 Mallard

Feature Specification
Class LNER A4 Pacific
Designer Sir Nigel Gresley
Builder Doncaster Works
Build Date 3 March 1938
Serial Number 1870
Wheel Arrangement 4-6-2 (Whyte); 2′C1′ h3 (UIC)
Driving Wheel Diameter 6 ft 8 in (2.032 m)
Boiler Pressure 250 psi (1.72 MPa)
Cylinders Three (18.5 in × 26 in)
Tractive Effort 35,455 lbf (157.7 kN)
Locomotive Weight 102.95 long tons
Total Weight (with tender) 165 long tons
Fuel Coal
Water Capacity 5,000 imperial gallons

Historical Timeline

  • 1938: Built at Doncaster and entered service with LNER as No. 4468 “Mallard”.

  • 3 July 1938: Achieved world steam speed record of 126 mph on Stoke Bank near Grantham while hauling a dynamometer car.

  • WWII Era: Streamlining partially removed for maintenance ease; restored post-war.

  • 1946: Renumbered to LNER No. 22.

  • 1948: Became BR No. E22, then renumbered to 60022 under British Railways.

  • 1963: Withdrawn from service on 25 April.

  • 1963–1986: Displayed at Clapham Museum, then moved to York.

  • 1986–present: Static exhibit at the National Railway Museum, York. Briefly steamed in 1986 for movement.

Shed Allocations

Mallard was allocated to several key depots during its career:

  • Doncaster (initial allocation)

  • Kings Cross “Top Shed” – for London–Edinburgh express services

  • Grantham – during wartime and post-war periods

  • New England (Peterborough) – final BR allocation before withdrawal

Liveries and Numbers

Era Number Livery
1938 (LNER) 4468 Garter Blue with red wheels and stainless steel trim
Wartime 4468 Black (austerity livery)
Post-war (LNER) 22 Garter Blue restored
BR Early E22 Garter Blue with “British Railways” on tender
BR Late 60022 Garter Blue with BR crest
Preservation 4468 Garter Blue with original LNER markings

Heritage and Legacy

  • Mallard is one of six surviving A4s out of 35 built.

  • Its record-breaking run was part of Gresley’s push to rival German and American streamliners.

  • In 2013, all six surviving A4s were reunited at York for the “Mallard 75” celebration.

  • It remains a symbol of British engineering excellence and is a centrepiece of the National Railway Museum.

If you’d like a printable overlay comparing Mallard with other A4s or a timeline graphic of its shed allocations and liveries, I’d be thrilled to help build that next.

 

60008 next to 4468 in York NRM

 

The meeting of three of the six surviving Gresley A4 Pacifics (60008/4496, 60010/4489 and 60022/4468)around the turntable of the Main Hall in York NRM museum. All six survivors are to meet up in the summer of 2013 in York.

"THE GREAT GATHERING" in York NRM in July 2013 of the six surviving Gresley Class A4 pacific locomotives that once worked the express passenger trains on the East Coast Mainline from London King's Cross to Edinburgh.

 

(6) 60022/4468 MALLARD at another great gathering of the six surviving Gresley A4 Pacifics at Shildon in Feb 2014.

SEE ALSO

BR 60007 SIR NIGEL GRESLEY, LNER 4498, Gresley 4-6-2 A4 Pacific

BR 60008 DWIGHT D. EISENHOWER, LNER 4496, Gresley 4-6-2 A4 Pacific

BR 60009 UNION OF SOUTH AFRICA, LNER 4488, Gresley 4-6-2 A4 Pacific

BR 60010 DOMINION OF CANADA, LNER 4489, Gresley 4-6-2 A4 Pacific

BR 60019 BITTERN, LNER 4464, Gresley 4-6-2 A4 Pacific

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