Check out the latest Weiler Gearbox Repair by PPG Works. PPG works repaired and rebuilt this 8” Weiler Extruder Gearbox within three weeks! During this time PPG works manufactured new gears replaced all bearings seals and gaskets for a customer in OHIO. The customer praised PPG works on the workmanship and turn around time. The customer was so happy with the job by PPG works he told he would be sending another gearbox after he puts this one into production.