Which chain cam camper van is less susceptible to DPF problems?

If I were looking to buy a camper van with a chain-cam engine while also seeking to avoid potential DPF problems, what makes / models should I be considering?

Asked on 30 November 2013 by JS, Edinburgh

Answered by Honest John
Current Renault Trafic and Masters, 2.0 and 2.2 diesels, and equivalent Vauxhalls and Nissans are chain cam, and Mercedes-Benz vans (apart from the Citan) are chain cam. There's no way of avoiding DPFs on a new diesel van, though: www.honestjohn.co.uk/road-tests/renault/renault-tr.../
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