I will show how everything works . You can return it with full blackwater and greywater i will not charge for that is a complementary free of charge and clean water you don't have to refill . fuel and propane you have to fill out before return. Engine Engine Triton / V10 Chassis Brand Ford Chassis Model F-Series Super Duty Cylinders 10 Horsepower 362 hp @ 4,750 RPM Torque 457 ft-lbs. @ 3,250 RPM Displacement 6.8 litres Fuel Type Gas Fuel Requirements Regular Carburetion Type Fuel Injected Turbocharged No Supercharged No Transmission Transmission Brand TorqShift Transmission Type 5 Speed Automatic Overdrive Yes Driveline Driveline Type 4X2 Dimensions Length 32.5 ft. (390 in.) Width 8.5 ft. (102 in.) Height 12.25 ft. (147 in.) Interior Height 6.67 ft. (80 in.) Wheelbase 19 ft. (228 in.) Weight GVWR 20,500 lbs. Hitch Weight 5,000 lbs. Capacities Fuel Capacity 80.0 gal. Holding Tanks Number Of Fresh Water Holding Tanks 1 Total Fresh Water Tank Capacity 70.0 gal. Number Of Gray Water Holding Tanks 1 Total Gray Water Tank Capacity 45.0 gal. Number Of Black Water Holding Tanks 1 Total Black Water Tank Capacity 45.0 gal. Propane Tank(s) Number Of Propane Tanks 1 Total Propane Tank Capacity 20.0 gal. Total Propane Tank Capacity 85 lbs.