THIS UNIT IS BUILT ON A FORD CHASSIS, WITH A 6.8 TRITON V-10 GAS ENGINE WITH FIVE-SPEED AUTOMATIC OVERDRIVE TRANSMISSION WITH 4 WHEEL ABS HYDRAULIC BRAKES.5,000 LB HITCH.  TOPPERS ON THE SLIDE OUTS. THIS UNIT HAS A FIBERGLASS ROOF. THE GROSS VEHICLE WEIGHT RATING IS 18,000 POUNDS, AND GROSS COMBINED WEIGHT OF 26,000. 5,000 LB TOW CAPICITY WITH 500 LB TONGUE WEIGHT.  FRESHWATER CAPACITY 75 GALLONS, BLACK 37 GALLONS AND 41 GALLONS GRAY. 75 GALLON GAS FUEL TANK