Designer and manufacturer of traction-control differentials for the commercial and specialty vehicle markets in Michigan and Ireland. The company also manufactures centrifugal clutches and mechanical brakes. It sells differentials to users of trucks, sport utility and performance vehicles via distribution network, as well as to original equipment axle and vehicle manufacturers. Its differentials are installed in military vehicles, light, medium and heavy trucks, forestry skidders, construction machines, four-wheel drive vehicles, mining equipment, articulated dump trucks, agricultural tractors and emergency vehicles.