In 1999, NWFB converted one 11-metre Dennis Condor to an open-top bus (DM6), it was superseded by an air-conditioned Dennis Condor on 25 January 2008 and was withdrawn again on 29 September 2014 (DA66).
In 1999, NWFB converted one of its buses into a unique open-top configuration (DM6), but it was later upgraded to a more modern air-conditioned version in 2008. The original bus was eventually retired and withdrawn from service on September 29, 2014.