A loading/unloading device for attachment to a delivery vehicle to facilitate at least one of load and unloading of the delivery vehicle. The loading/unloading device comprises a fixed base member for attachment to the delivery vehicle. A movable base member is supported and axially movable, by a first drive, with respect to the fixed base member. A first end of a lifting arm is pivotably connected to a first end of the movable base member, and the lifting arm is pivotable mounted with respect to the movable base member by a second drive to facilitate pivoting movement of the lifting arm relative to the movable base member. A first end of a support arm is pivotably connected to a second end of the lifting arm, and the support arm is pivotably mounted with respect to the lifting arm to facilitate loading and unloading of the delivery vehicle.