sentences:  It may have been expanded into a full fleet of railcars had the economic difficulties of the Great Depression not intervened, and it was destroyed by a depot fire in 1934 and not replaced.The first truly successful railcar classes to enter revenue service in New Zealand were the two that began operating in 1936, following the building of the Red Terror (an 8-seat inspection railcar) for the General Manager, Garnet Mackley, in 1934.More classes followed over the years, primarily to operate regional services.