A steerable wheel diverter system having a plurality of diverter wheels pivotally mounted at least partially within a common assembly and a powered roller mounted external to the common assembly may be provided in series with an ingress conveying apparatus and one or more egress conveying apparatuses. Providing the powered roller outside of the common assembly enables maintenance evaluations on the powered roller, or on a motor associated with the powered roller, to be performed quickly and easily, and without having to disassemble the common assembly.