The NSWRTM had always maintained a good relationship with the Department of Railways, but in October 1972 it was replaced by the Public Transport Commission. The PTC under Commissioner Philip Shirley decided it wanted all steam locomotives, including those owned by preservation organisations, off the network with 3820 operating the NSWRTM's last tour to Taree in 1974. The PTC also decided it wanted nothing to do with maintaining the NSWRTM's collection and handed over the exhibits to the museum under a Deed of Gift.