391:1 Metal Gearmotor 20Dx46L mm 6V CB

Pololu item #: 3710
Brand: Pololu supply outlook
Status: Active and Preferred 
RoHS 3 compliant

Price break Unit price (US$)
1 28.95
5 26.63
25 24.50
100 22.54


backorders allowed

These small brushed DC gearmotors can deliver a lot of power for their size. This version has a 6V brushed DC motor with long-life carbon brushes combined with a 390.6:1 metal spur gearbox. The gearmotor is cylindrical with a diameter of 20 mm, and the D-shaped output shaft is 4 mm in diameter and extends 18 mm from the face plate of the gearbox.

Key specifications:

voltage no-load performance stall extrapolation
6 V 36 RPM, 150 mA 16 kg⋅cm (220 oz⋅in), 2.9 A

Note: the gearbox torque limit is 70 oz-in (5 kg-cm); see detailed description for important product limitations.

Alternatives available with variations in these parameter(s): gear ratio motor type extended motor shaft? Select variant…

 Description Specs (17) Pictures (14) Resources (3) FAQs (1) On the blog (0) 
What material is the gearbox output shaft made of, and can I get the shaft customized?
The shaft is composed of hardened stainless steel. Some customization is generally possible (e.g., different length or no D-shaft) for sufficiently high-volume orders. If this is something you are interested in, please email us.

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Related Categories

6V Carbon Brush (CB) 20D Gearmotors
4mm Shaft Gearmotors
Pololu Metal Gearmotors
Pololu Wheels and Tracks
Brushed DC Motor Controllers
Brushed DC Motor Drivers
Robot Controllers
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