Used Beaver RV for Sale - 2003 Beaver Marquis with 3 slides, model 40 Ruby and 37,381 miles. This RV is approximately 40' in length and features a Caterpillar 505 HP diesel engine with side mounted radiator, Allison 6 speed transmission, Magnum chassis, tag axle, Inverter, Onan 12.5KW diesel generator on a power slide and HWH Computerized leveling. For complete details visit Motor Home Specialist at www.MHSRV.com or 800-335-6054: The #1 Volume Selling Texas RV Dealer.