A suspension system for an unloading conveyor of an agricultural harvester vehicle, has a first support configured to hold the unloading conveyor in a vertical unloading position； a second support configured to hold the unloading conveyor in a horizontal unloading position； a control circuit coupled to the first and second supports, wherein the control circuit is configured to selectively engage at least one gas charged hydraulic accumulator to one of the first support and the second support to thereby spring-load the unloading conveyor in the vertical or the horizontal direction (or both).
