Overton Gear Corp. of Addison, Ill., has completed a 10,000-square-foot expansion of its heat-treating facility. The company has added two state-of-the-art carburizing furnaces and an 84-inch quench press. The new vertical pit furnaces accept workpieces up to 80 inches in diameter and 100 inches long. According to Overton Gear, the quench press is believed to be the largest in the world.

The new equipment complements Overton Gear’s existing five pit furnaces and five integral quench furnaces. The company supplies custom gears for the wind, transportation and construction industries.