In March 1990 Dublin Bus took delivery of 59 Leyland Olympian ON2R50C13Z4s bodied by W.Alexander of Belfast and have Cummins L10-185 engines and ZF4HP500 fully automatic transmission with integral retarder. These buses were the start of what has become a huge 640 strong fleet of Olympians operated by Dublin Bus. In 1991 Dublin Bus took delivery of RH60-125, in 1992 RH126-153 were delivered and in 1993 RH154-175 were delivered.
RH 175 is believed to have been the last new Leyland double-decker in the British Isles.
RH2-5, 21, 22 and 40 have been converted to open-top and have been repainted in the cream&green livery for sightseeing tour work on the Dublin City Tour. RH 6, 7, 19, 20, 65-67, 84-88, 140-142 have been withdrawn and converted to driver-training buses. RH 1, 31, 32 are with the driving school and are used for Customer Care familiarisation.
Below: RH123 on O'Connell Bridge on the 122 from Drimnagh to Ashington on Monday 21 April 2003.