custom Planetary Gearbox Navy
Custom Planetary Worm Gear box Navy
Custom Engineer Gearboxes Navy Planetary Worm
Superior Motion Control Custom design manufacturer military linear actuator gear box Zumwalt with custom Hatch Actuator Unit on Vertical Launch System

Superior Motion Control designed a planetary gearbox driven by a worm gear to replace the incumbent.


This design has been in production for over 20 years with over 15,000 units delivered and NO field failures.


The planetary gearbox is used by the United States Navy on the Ticonderoga (CG), Arleigh Burke (DDG) Spruance Class (DD) and 8 other International Navies. 


The gearbox design includes an anti-backdrive feature and is able to open and close the 150 lb. missile hatches in under 1 second.


MK-41 Vertical Launch System - BAE