For Sale: 2011 Fourwinds Serrano 33a Diesel Motorhome By Thor Motorcoach, Onan Rvqd 6000 Generator W/373 Hours Used, Heated Mirrors, Maxxforceturbodiesel Motor And Allison 6 Speed Automatic Transmission, Slide Awning Toppers, 3 Slide Rooms, Rear Queen Bed, Class A - Diesel / Theodore, Al Fuel Efficient Class A Diesel Motorhomes., The Front Engine, Diesel Sipping Serrano Offers European Exterior Styling With The Interior Comfort You Have Come To Expect From Thor Motor Coach. The Industry Changing Serrano Has Become One Of The Hottest Selling Motorhomes Over The Past Few Years. Take A Look Around And You Will Quickly See Why..., Serranos Key Design Elements: Aerodynamic Front Cap Reduces Wind Resistance& Improves Mpgs Easy To Drive, Well Balance Workhorse W20d Chassis Designed Specifically For Motorhomes Front Engine Diesel (fred) European-inspired Exterior Oversize Exterior Mega Storage Compartments Intelligent Use Of Space - Inside& Out