List of LNER Class A1/A3 locomotives

Below are the names and numbers of the steam locomotives that comprised the LNER Class A1/A3, that ran on the Great Northern and latterly the London and North Eastern Railway network. They represented Nigel Gresley's attempt to standardise steam design. The class names mainly denoted various racehorses; there were seven exceptions, .

List of LNER Class A1/A3 locomotives

Below are the names and numbers of the steam locomotives that comprised the LNER Class A1/A3, that ran on the Great Northern and latterly the London and North Eastern Railway network. They represented Nigel Gresley's attempt to standardise steam design. The class names mainly denoted various racehorses; there were seven exceptions, .