Only a single batch of ten was built, all on order P43 in 1898, numbered 10 to 19. They had a short working life, as they were incapable of handling increasing heavy trains. They were withdrawn between 1907 and 1910.
Aldrich, C. Langley (1969).The Locomotives of the Great Eastern Railway 1862–1962 (7th ed.). Wickford, Essex: C. Langley Aldrich.OCLC30278831.
Baxter, Bertram (2012). Baxter, David; Mitchell, Peter (eds.).British Locomotive Catalogue 1825–1923, Volume 6: Great Eastern Railway, North British Railway, Great North of Scotland Railway, Midland & Great Northern Joint Railway, remaining companies in the LNER group. Southampton: Kestrel Railway Books.ISBN978-1-905505-26-5.