Over the past 25 years Hydro-Gear has built strong and lasting relationships. Headquartered in Sullivan, IL, Hydro-Gear is a world leader in the design and manufacture of precision drive solutions for the industrial, commercial, and consumer markets. We stock Hydro-Gear parts. We have a large selection of parts including transmissions, transaxles, guide block, spacers, check valve springs, ball bearings. retaining rings. filters, and many other parts. If we do not have the stock at our location we can get them to you quick. If you do no locate the part you are looking for call us at 877-306-3708.