The Bendpak XPR-9DT 4050kg capacity 2 post lift, the “D” stands for the dual “direct-drive” twin low-pressure cylinders that reduce the strain resulting from heavy workloads that would otherwise be placed on the a single ram hydraulic lift system. the Bendpak XPR-9 range offers adjustable widths for wide or narrow installations with 240v or 415v motors at no extra cost!