Chesterton offers turnkey aftermarket cylinder upgrade kits, designed to fit off-road mobile mining equipment including excavators, haul trucks, dozers and loaders. These custom kits were specifically developed to extend hours of operation versus conventional OEM offerings when used during the repair and overhaul of equipment. Chesterton’s proprietary polymer technologies are coupled with various seal geometries to offer superior products that have proven to extend hours of operation while helping to enhance mine productivity.