The 2017 MULE PRO-DX is our powerful, most capable diesel MULE side x side ever. Build on the same rugged platform as the MULE PRO-FX, this innovative side , side comes equipped with the largest cargo bed in class all while offering comfortable full-size three-passenger seating. To top it off, the MULE PRO-DX is confidently backed by the Kawasaki STRONG 3-Year Limited Warranty.