Abstract: A multiple fuel tank arrangement for maximizing fuel delivery to a vehicle during off level operation. The system has a tank from which fuel is withdrawn and at least one additional tank located at approximately the same level. The tanks are connected by a transfer line and crossover line. The transfer line connects the bottom of the tanks and only allows fuel flow into the fuel withdrawal tank. Openings for the crossover line are positioned such that a large volume of fuel is trapped in the fuel withdrawal tank when the tanks are as different relative elevations during off level operation.

Abstract: An adjustable wheel assembly which facilitates the positioning of a wheel on an axle. The wheel assembly includes an elongated axle having a rack and a keyway, a wheel hub, and two pairs of arc-shaped wedges positioned between the axle and the wheel hub. Two of the four arc-shaped wedges are inserted into a tapered bore on one side of the wheel hub and the remaining two wedges are inserted into a second tapered bore on the opposite side of the wheel hub. Each of the four arc-shaped wedges further contains a radial flange with bolt holes therethrough so that each wedge can be bolted to the wheel hub. In addition, one of the wedges contains a radial opening housing pinion gear which meshes with the rack on the axle so as to axially move the wheel hub along the axle. The wheel assembly also contains a pair of jackscrews which are used to force two of the oppositely aligned wedges axially apart thereby allowing the wheel hub to be released from the axle.