• The GNR Class A1
  LNER Class A1/A3
  The London and North Eastern Railway LNER Gresley Classes A1 and A3 locomotives represented two distinct stages in the history of the British 4-6-2 "Pacific" steam locomotives designed by Nigel Gresley...
  
   or "Gresley A1", a class of 52 Pacific
  4-6-2
  4-6-2, in the Whyte notation for the classification of steam locomotives, represents the wheel arrangement of four leading wheels on two axles , six powered and coupled driving wheels on three axles, and two trailing wheels on one axle .These locomotives are also known as Pacifics...
  
   locomotives designed by Sir Nigel Gresley
  Nigel Gresley
  Sir Herbert Nigel Gresley was one of Britain's most famous steam locomotive engineers, who rose to become Chief Mechanical Engineer of the London and North Eastern Railway . He was the designer of some of the most famous steam locomotives in Britain, including the LNER Class A1 and LNER Class A4...
  
  , including the famous Flying Scotsman
  LNER Class A3 4472 Flying Scotsman
  The LNER Class A3 Pacific locomotive No. 4472 Flying Scotsman was built in 1923 for the London and North Eastern Railway at Doncaster Works to a design of H.N. Gresley...
  
  
• The LNER Thompson Class A1/1
  LNER Thompson Class A1/1
  The London and North Eastern Railway Thompson Class A1/1 was started in 1945 when a Class A1 went into the works for rebuilding in to the A1/1....
  
  , a single Pacific locomotive designed by Edward Thompson
  Edward Thompson (engineer)
  Edward Thompson was Chief Mechanical Engineer of the London and North Eastern Railway between 1941 and 1946.- Biography :Edward Thompson was the son of an assistant master at Marlborough College. He was educated at Marlborough before taking the Mechanical Science Tripos at Pembroke College,...
  
   and rebuilt from a Gresley A1
• The LNER Peppercorn Class A1
  LNER Peppercorn Class A1
  The London and North Eastern Railway Peppercorn Class A1 is a type of express passenger steam locomotive. Forty-nine original Peppercorn Class A1s were built to the design of Arthur Peppercorn during the early British Railways era, but all were scrapped with the discontinuation of steam,...
  
  , a class of 49 Pacific locomotives designed by A. H. Peppercorn
• LNER Peppercorn Class A1 60163 Tornado
  LNER Peppercorn Class A1 60163 Tornado
  60163 Tornado is a main-line steam locomotive built in Darlington, England. Completed in 2008, Tornado was the first such locomotive built in the United Kingdom since Evening Star, the last steam locomotive built by British Railways, in 1960...
  
  , a new locomotive completed in 2008

Comparison table