Patent ID: 8899659

Claim:
A vehicle, comprising: a cab having a door opening on a side thereof; a chassis that supports the cab; two or more steps leading to the door opening, each of which is supported by the cab or the chassis, wherein the two or more steps are placed within one or more recesses in the cab or chassis; a door connected to the cab, wherein the door fits within the door opening, and the door comprises a lower door extension having a lower edge that terminates near to an upper surface of a lowermost step, the lower door extension covers a majority of the one or more recesses, and the lower door extension extends outboard to match the outboard extension of a fender or exterior cab side panel to provide a coplanar transition from the fender to the door, or from the door to the exterior cab side panel, or both; and a gap is created between a lowermost edge of an exterior cab side panel on the cab and a fairing on the chassis, wherein the gap extends along the side of the cab and chassis fairing at least from the rear of the lower door extension to an end of the cab, and the gap is angled greater than 0 degrees with respect to a horizontal direction.