This is DeWalt's factory gearbox from the old 12vdc cordless power or hammer drill. Exclusively made by DeWalt for their original 12v cordless drill line, these new gearboxes or transmissions will be sent to you directly from the manufacturer in 24 to 48 business hours. This is a great gearbox for a great motor. These 2-speed, planetary gearboxes with all metal gears represent the best value in high technology, power and price. It is simply the best 12v drill motor gearing solution you're going to find for the price, and has a thoroughly proven track record.

For Motor #	12V (old style)
DeWalt Part #	391108-04
Input accepts	16 teeth
Output Shape	5/16" Double-D
Gearing #1 RPMs	450
Gearing #2 RPMs	1400
Max Torque	310 inch pounds
Lubrication	Grease
Length	1-15/16"
Diameter	1-3/4"
Weight	7.30oz or 0.4562 Lbs