A crop cart unloading system for efficiently unloading a harvestedcrop from a crop cart. The crop cart unloading system generally includes ahopperhaving a floor conveyor movably positioned with respect to a lower floor, apluralityof sidewalls extending upwardly from the lower floor, an unloading doormovablyconnected to an unloading end of the hopper, and an upper opening defined byanupper edge of the plurality of sidewalls for receiving a field crop. Thehopper ispivotally connected to a support frame having a plurality of wheels. A firstactuatoris connected between the support frame and the hopper to lift the unloadingend ofthe hopper. An unloading conveyor is attached to the unloading end of thehopperto receive and discharge a field crop from the hopper.