Abstract: For the enclosed compartment space of a truck type of automotive vehicle rearward of the cab seating section, particularly herein with reference to a mail delivery truck, a movable shelf supported on rollers running on ledges formed by the internal wheel wells of the body of the truck, the shelf carrying mail baskets therein, both the shelf and baskets thereon being easily reachable by the operator seated in the cab section by use of a hook equipped rod whereby the operator can move forwardly the shelf and baskets thereon to be readily reachable for access thereto without the operator being required to step down to have access to the same by an approach through the rear of the truck.