2008 Holiday Rambler Navigator Caspian IV powered by a 15.0L L6 Diesel Cummins I6 engine and an automatic transmission on a Roadmaster chassis that runs and drives with 67,271 miles. It's equipped with four slideouts, a primary bedroom, full bathroom, kitchenette, washer/dryer, and a Cummins Onan Quiet Diesel 10000 generator that starts/runs with 2,085.9 hours.