STOBER gear reducers for NEMA motors are ready to handle tough environments. An average mean time to failure of 8 years and a standard 3 year warranty means you can trust a STOBER gearbox to stand up in harsh conditions. STOBER gearboxes are lubed for life and don’t leak oil. No maintenance. No downtime. Not only will you save money on downtime and maintenance, our gearboxes are up to 97% efficient, therefore ...