A lot has changed since the5.9L Cummins B-series enginewas first offered in '89 Dodge pickups. The injection systems, cylinder heads, emissions equipment, and turbos have all seen dramatic ...
When it comes to heavy-duty diesels, enthusiasts and truck owners inevitably circle back to the best American diesel engines: Ford's 7.3L PowerStroke, Dodge's 5.9L Cummins, and GM's 6.6L Duramax. If ...