Hornsounds for EMD/British Rail Class 59, 66 and 67 Freight Locomotives. All built by General Motors in the United States, these locomotives can be found on a variety of Freight and Passenger operations. Class 59's are more scarse than their 66 and 67 counterparts and are normally found working for Hanson and EWS on Stone trains, 66's are probably Britain's most common freight locomotive, replacing Class 37's, 47's and 56's, over 500 of the class have been built since their introduction in 1999 and can be found nationwide. Class 67's were EWS's primary Parcels locomotive untill the mail-trains were withdrawn on the areas they served most. Now, they can be found running freight, charter and passenger services across the whole of Britain.