Abstract: An auxiliary assembly for attachment to a truck bed, the truck bed having pivoting bale lift arms, and the truck bed further having a hydraulic ram powered bale arm actuator, the assembly including a cargo carrying frame, left and right releasably attachable and pivoting mounts for interconnecting the cargo carrier and distal ends of the bale lift arms, and a pair of cargo leveling arms pivotally mounted to span between and interconnect the truck bed and with the cargo carrier for simultaneous and substantially parallel leveling arm motion, the leveling arm motion stabilizing the cargo carrier during pivoting motions of the bale lift arms.