2007 Holiday Rambler Neptune XL 36PDQ, More information to follow. In the meantime if you would like more information give us a call or send us an email. Thanks!! More information to follow. In the meantime if you would like more information give us a call or send us an email. Thanks!!2007 Holiday Rambler Neptune XL w/3 Slide-OutsModel: 36PDQLength: 36'Miles: 50,859Cummins 325HPRoadmaster ChassisAutomatic Hydraulic Leveling SystemOnan 5500 Watt Diesel Generator