2016 Coachmen Chaparral X-Lite 31RLS, Chaparral X-Lite offers top selling floorplans in an affordable, value packed fifth wheel design for ½ ton trucks. 2016 Coachmen Chaparral X-Lite 31RLS Chaparral X-Lite offers top selling floorplans in an affordable, value packed fifth wheel design for ½ ton trucks.