JGY-370 12V 2 RPM Ultra-Slow DC Worm Gear Motor - Self-Locking 6mm D-Shaft

Specifications

• Model: JGY-370

• Operating Voltage: 12V DC

• No-Load Speed: 2 RPM (Ultra-Slow)

• Torque: 14 kg.cm
  
• Stall Torque: 25 kg.cm
  

• Shaft Type: D-Shape

• Shaft Diameter: 6mm

• Shaft Length: 15mm Total (11.5mm D-cut)

• Mounting Holes: 4 x M3

• Mounting Hole Spacing: 18mm x 33mm

• Motor Body Diameter: 24.4mm

• Gearbox Dimensions: 46mm (L) x 32mm (W) x 25.2mm (H)

• Terminals: Dual Solder Tabs

Key Applications and Projects

• Camera Panning Bases: Ideal for DIY timelapse photography sliders or rotating camera mounts where incredibly slow, smooth motion is required.

• Automated Ball Valves: Providing the immense, slow-turning torque necessary to open and close heavy brass plumbing valves in automated irrigation systems.

• Jewelry / Product Turntables: Creating custom, slow-rotating motorized display stands for storefronts or 3D photogrammetry scanning.

Unlock New Capabilities (Project Evolution)

• The Smart Greenhouse Vent: Greenhouses need ventilation, but lifting heavy glass or polycarbonate roof vents requires serious force. Evolve your smart garden by using this 2 RPM motor paired with an Arduino and a temperature sensor. Because the motor is so slow and powerful, it can safely push a heavy vent open using a simple linkage arm. Thanks to the self-locking worm gear, once the vent is open, the motor uses absolutely zero electricity to hold the heavy glass in place against the wind!

ACCESSORIES / PACKAGE INCLUDED

• 1 x JGY-370 12V 2 RPM DC Worm Gear Speed Reduction Motor

This video describes the working principle of the worm gear.

FREQUENTLY ASKED QUESTIONS (FAQ)

1. What is the operating voltage for this motor? This motor is optimized to run on a 12V DC power supply.

2. How fast does 2 RPM actually spin? 2 RPM stands for 2 Revolutions Per Minute. This means the shaft takes a full 30 seconds to complete just one 360-degree rotation. It is extremely slow.

3. Does this motor have more torque than the 90 RPM version? Yes, massively more. Because the gear reduction is so much higher to achieve 2 RPM, it multiplies the torque output significantly compared to faster models.

4. What size is the output shaft? The shaft has a 6mm outer diameter.

5. What does "D-Shape" mean? The cylindrical shaft has an 11.5mm long flat section machined into it (resembling the letter "D"), preventing wheels or pulleys from slipping when a set screw is tightened against it.

6. Is this motor self-locking? Yes. Due to the inherent friction of the worm gear design, the output shaft cannot be easily rotated by hand when the motor is off.

7. Can I reverse the direction of rotation? Yes. By simply swapping the positive and negative connections on your 12V power supply, the motor will spin in the opposite direction.

8. What size mounting screws do I need? The gearbox face accepts standard metric M3 machine screws.

9. What is the spacing between the mounting holes? The four M3 holes are spaced 18mm apart horizontally and 33mm apart vertically.

10. How long is the actual shaft? The protruding shaft is 15mm long in total.

11. Can I run this motor on 5V? Yes, a 12V DC motor will spin on 5V, but it will run at less than 1 RPM and produce significantly less torque.

12. Is this motor waterproof? No, the metal housing and the rear solder terminals are completely exposed. It must be protected in an enclosure if used outdoors.

13. Can I control the speed of this motor? Yes, using a PWM (Pulse Width Modulation) speed controller, you can slow it down even further than 2 RPM, though it may stall if dialed too low under a heavy load.

14. How do I connect wires to this motor? There are two metal tabs on the rear of the cylindrical motor body. You will need to use a soldering iron to attach your positive and negative wires to these tabs.

15. Does the motor come with wires attached? No, it ships with bare solder terminals.

16. What is the diameter of the cylindrical motor body? The round motor section has a diameter of 24.4mm.

17. What is the total length of the motor and gearbox? Combined, the unit is roughly 76.8mm long (46mm for the gearbox + 30.8mm for the motor body).

18. Can I manually turn the shaft to adjust my project when it's off? No. Because it is a worm gear with a massive reduction ratio, forcing the shaft to turn by hand will immediately strip and destroy the internal gears. You must use electricity to move it.

19. Will this work for a DIY RC car? No, 2 RPM is far too slow for any kind of wheeled vehicle. This is meant for lifting, panning, or slow-turning displays.

20. What type of coupling do I need to attach an arm or wheel? You should use a 6mm rigid flange coupling or a 6mm flexible shaft coupler that features a set screw to clamp down securely on the flat D-shaft profile.