This unit is a must see beautiful from the outside in has a GVWR of 31,000 LBS with a 10,000 LB towing capacity. Freshwater tank will hold 86 gallons and the black and gray tank are 50 gallons each. This RV is on a freightliner chassis coming with a 6.7L Cummins 325 HP, Allison transmission 6 speed w/overdrive with only 39,777 miles.