Johnson designs and manufactures a range hydraulic, pneumatic, spring set and manually applied caliper and drum brakes systems for use on hoists, conveyors, SAG and Ball Mills, ship loaders, and other rotating equipment. Johnson also produces electro-magnetic and electro-hydraulic thruster drum and disc brakes, which are in service around the world on cranes, hoists, and other material handling and power transmission equipment. We also designs and manufactures storm brakes and systems, including; automatic and manual rail clamps, rail brakes, and wheel clamps for use on cranes, stacker-reclaimers, trippers, and other rail mounted equipment.