DeWalt 36V 3-Speed Gearbox Turn the speed of the 36V Dewalt motor into lots of torque, in this selectable 3-speed gearbox.
$77.99
DeWalt 3 speed Gearbox This is DeWalt's factory gearbox for the NEW versions of the 12v, 14.4v, and 18v DC cordless power or hammer drills. It is simply a great thing to have a third gearing solution available if you need it.
$56.99
DeWalt 14.4V Old-Style Gearbox This is DeWalt's factory gearbox from the 14vdc cordless power or hammer drill. It is simply the best 14v drill motor gearing solution you're going to find for the price, and has a thoroughly proven track record.