GKN Rockford Inc. offers a complete line of powertrain systems and components for off-highway applications. Established in 1890, the company operates through its subsidiaries Rockford Clutch Corporation and Mechanics Universal Joint Corporation. Based in Loves Park, Ill., it manufactures drivelines, universal joints, hydraulic clutches, torque converters, fan clutches, power dividers and power transmission-related products for combustion engine-powered heavy duty equipment. The company serves sectors like construction, agriculture, mining, forestry, military, industrial, recreation and marine. GKN Rockford Inc. offers services, including performance testing, endurance testing, destructive testing and environmental testing.