Ohio Crankshaft is a subsidiary of Park-Ohio Holdings Corporation. Located in Cleveland, Ohio our expertise is precision machining of intermediate to large custom critical parts. We are the current supplier of Locomotive crankshafts and Camshafts to Electro Motive Diesel (Progress Rail). As our name implies, we have a 100 year history and specific expertise in the manufacturing of heavy duty crankshafts and camshafts, pump shafts, press shafts for internal combustion engines, reciprocating pumps and Presses. We can manufacture Crankshafts and Camshafts up to a 27” in diametric envelope x 165” long. Camshaft segments up to 70” in length, down to smaller components with 2’ diameter or greater.