Plate, Engine Mount (Left Rear)Specifications Item Description The Plate, Engine Mount (Left Rear) is a structural component that secures the Kubota engine to the chassis of the JLG 450AJ and 450A aerial work platforms. This left rear mounting plate is part of the Engine Assembly and provides a mounting point for engine stabilization. One plate is required per machine. Skyworks is an authorized reseller of JLG parts.