A Queensland Railways Clyde Hornsound, as fitted to many Clyde Engineering Designs from the 1960's to the 1980's, this was to become the standard QR Horn for desiel locomotives. These are destinct as they have two tone or commonly known as 'Town' & 'Country' styles. The Town horn is recorded from QR Clyde 1502 class #1522, at Northgate, 1998 and the Counrty tone is recorded from QR 2470 class #2479 at Dalby 2008.