A Ford E250 Supver Van with V6 4.2 litre or V8 5.4 litre gas engine makes up the National Transit Van. This wheelchair van from National Van Sales Inc. seats a capacity of 10 passengers or five wheelchair passengers and a driver. The raised front passenger door height has a 69-inch clearance and 26-inch width. The raised side wing out doors height measures 60 inches with a 47 inch width. Floor length from center console is 152 inches and a floor width is 68 1/2 inches (52 inches between wheelwells).