engine driving one axle via a Voith Diwabus model 501 fully automatic hydraulic/mechanical transmission & reversing gearbox. This then was coupled to a Voith E13 final drive on one of the axles. They had inward opening doors on both sides & a driving position at each end. The wheelbase of these pay buses was , with a long body. These cars were also fitted with air conditioning. The front was taken from Commonwealth Engineering's standard bus model. FP7 entered service on 9 April 1968, with the last on 23 July 1968. In April 1970 FP7 was stripped internally and fitted with carpet on the walls and floor and movable chairs installed as well as being repainted externally. This so it could carry Queen Elizabeth II and her party between Coffs Harbour Jetty and Coffs Harbour station. After this use the FP7 was returned to its original condition, excepting that the carpet was kept on the floor. FP13 FP13 was built at the same time as FP7 - FP12 but unlike FP7-12 it was built purely as a rail bus, with FP13 being designed to carry 18 passengers in nine 2 seat throw over reversible seats. FP13 was used as a rail bus on the Cooma-Bombala service. It entered service in February 1970. It suffered a seized engine in February 1974 which coupled with a fuel strike saw the withdrawal of the rail bus service. FP13 was stored until March 1980 when it entered Eveleigh Carriage Workshops for conversion to a pay bus. FP 7-13 Withdrawal & Preservation In April 1986, the operation of railway pay buses ceased with the last service being worked by FP11 on 4 April 1986 between Lithgow and Clyde. All seven were preserved: FP7 Goulburn Rail Heritage Centre FP8 Richmond Vale Railway Museum FP9 Dorrigo Steam Railway & Museum FP10 Crookwell Heritage Railway FP11 Cooma Monaro Railway FP12 Crookwell Heritage Railway FP13 Dorrigo Steam Railway & Museum References External links Railcars of New South Wales