The 4-4-4 wheel arrangement was trialled by the Philadelphia and Reading
Railway in the USA. Baltimore and Ohio also experimented with this design.
Neither created a successful 4-4-4 locomotive. The Canadian Pacific had
more success. In the USA these were called "Readings". In Canada they
were called "Jubilees".
Railroads that used 4-4-4 "Jubilee" Locomotives in Canada (data provided by Steve Llanso of Sweat House Media)