Stone Marine Propulsion NGC design and manufacture a full range of marine propulsion gearboxes. These are available in reversible versions for fixed pitch propellers and non-reversible for CPP systems and have power rating up to 20,000KW. In addition SMPNGC manufacture a comprehensive range of other gearboxes for a variety of marine uses. All are specifically designed for the tasks to which are they are put and will provide excellent performance. Among them are pump and jacking gearboxes, dredge pump and dredger gearboxes and pivot shaft and bucket wheel gearboxes. To obtain more information on the type of gearbox you are interested in please click on the relevant image below.