AUM404 was an AEC Regent new to Leeds as number 161 in July 1935 with an MCCW H30/26R body. After withdrawal in September 1949 it passed, in December, to Wallace Arnold Tours and operated also at various times for both subsidiary companies Hardwicks, Scarborough and Farsley Omnibus Company.
It is here seen in September 1956 at Headingley on a cricket or rugby special service and was withdrawn at the end of that year.

Photo taken by John Kaye, Saturday 15 September 1956, Headingley