Curtis Machine manufactures gearboxes, gears, and custom-machined parts in the United States of America. We utilize US castings and steel to make our product qualify as US-made. Curtis Machine gearboxes are right-angle, off-angle, and parallel shafts. Examples of custom machined parts include Splined Shafting, Keyed Shafting, Mounting Brackets, or most any machined part from steel or aluminum that fits into a 7-foot by 7-foot or smaller cube. We design and manufacture our gears and gearboxes in-house. Therefore, we can produce any ratio desired in any angle desired. Multiple reduction parallel shaft units, multi-gear right angle units with multiple shafts. Off-angle units such as 32 degrees, 45 degrees, 110 degrees, etc. Horse powers range from fractional to 800 HP. Let Curtis Machine design the gears or gearboxes that are right for you. We have over 75 years of experience in designing and manufacturing. “Make It A Curtis”