Gear Motor Source?

Question

I'm looking for a 12vdc gear motor with little luck. Here is what I need:

12 vdc
300-400 rpm
10+ in-lb torque ~1/2 in shaft dia

I have a car window motor, but it only runs at 160 rpm and that is too slow. This is a hobby project so I am price sensitive. Any suggestions?

Tim Wescott · Accepted Answer

Herbach and Rademan have a big selection and may have what you want.All Electronics also have a good selection, but H & R carries a better selection of bigger motors.Do a web search for "surplus" and "motor" -- you should get lots of hits.-- Tim WescottWescott Design ServicesPosting from Google?  See Do you need to implement control loops in software?"Applied Control Theory for Embedded Systems" gives you just what it says.See details at

Paul E. Schoen · Answer

A good source for motors is  but a quick search did not come up with the specs you seek. There are plenty of 115 VAC gearmotors for cheap, and you could use a small inverter to get the power from 12 VDC. Otherwise, you might be able to use a stepper motor with a drive circuit, or possibly mix and match gearheads and motors to get what you want.Another possibility is a small starter motor from an old lawn tractor. My 1965 Simplicity has a 12 VDC starter that is also used as a generator. Your local junkyard may be a goldmine.Another online source is  They have a 400 RPM gearmotor but it is 24 VDC: Paul

jasen · Answer

cordless drill?Bye.   Jasen

zwgearbox · Answer

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Gear Motor Source?

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