Complex sentence: A Commercial Vehicle version of the Morris Oxford MO was produced from 1950--56 as a van, pickup, chassis cab and used some of the bodywork of the Oxford MO but with a chassis underneath.
Split into simpler sentences: A commercial vehicle version of the Oxford MO was produced from 1950--56 as a van, pickup, or chassis cab model. It used some of the bodywork of the Oxford MO but with a chassis underneath.