LOCKWOOD. We Know Potatoes. For over 80 years, LOCKWOOD has been one of the leading manufacturers of high quality, reliable potato equipment.  LOCKWOOD proudly builds a variety of potato planters, handling equipment, windrowers and harvesters.  Maximize your operation's efficiency with equipment options and features to accommodate your farm's specific needs!    Our Mission: At LOCKWOOD, we strengthen the profitability of the potato customer through innovative solutions and service excellence.