One embodiment of a support system for a lift motor unit comprises a first frame comprising left and right first stanchions and a first beam extending laterally between and connected to the stanchions. The support system also includes a similar second frame. A first connector is connected to the first beam and a second connector is connected to the second beam. A rail is connected to the connectors. Another embodiment of the lift motor support system includes similar third and fourth frames and third and fourth connectors. A first rail is connected to the third and fourth connectors, and the rail between the first and second connectors is a second rail. A traverse rail is engaged with and longitudinally translatable along the first and second primary rails.