Rotary Power Inc. manufactures heavy-duty, radial piston or axial piston hydraulic motors. The company's SMA motors feature displacements from 120 to 16,4000 cm3/rec and a 350 bar continuous pressure rating. The XL radial piston-configured motors have capacities from 150 to 1120 cm3/rev. Featuring capacities from 1000 to 5000 cm3/rev, the XK motors have a two-speed option and continuous pressure of 350 bar.