 Though this ultimately ended up having disastrous consequences for all concerned, in the short run it secured for Ducati a much larger slice of the U.S. market than they would otherwise have had.In 1963 the Berliner brothers suggested that Ducati build a Harley beater, leading to the Apollo V4, which made it to a tyre shredding prototype stage, but was never manufactured.Two machines were built, one of which can now be seen in the Ducati museum in Bologna.