16mm DC gear motor series

Our DC gear motors combine a compact structure with reliable performance and provide high torque at low speed. Other benefits include wide voltage ranges and speed. Applications include: electrical drive toy, toothbrush, electrical lock, electrical tools, vending machine etc. Choose a baseline version or request your own customized configuration


  • Low noise, low current, and no spark
  • Small size with low velocity and high torque
  • Stable speed
  • Customizable Voltage-speed curve
  • CE and RoHs approved
  • Customizations on request
Rated Voltage 5V
No Load Speed 100RPM
No Load Current(mA) 50mA
Speed 77RPM
Current 170mA
Torque 0.3kg.cm
Output 0.23W
Stall Torque (mNm) 127mNm
Stall Current(A) 0.55A

Gearbox Length

Gear Ratio

14 75 91 105 128
15.5 148 182 210 256
17 592 723 825 1021

There are several important criteria to consider: output torque, output speed, physical size, supply voltage, and supply current etc. Once you determine these key criteria, we can find a suitable model for you. Feel free to contact us, we are more than happy to help you with the selection process.

Certainly, most of our customers request custom configurations in one form or another. If you plan on replacing a motor in an existing application, just send us a drawing or sample and we can help you find a suitable replacement. Alternatively, contact us and describe your application, our engineers will work with you to create a tailor-made solution.

If you are ordering samples of standard models, we can usually have them shipped and delivered within 5 days by air. When requesting custom motors, please allow us a 4-5 week lead-time.

We are very flexible with shipping and have dealings with most major courier services around the world. When placing an order, simply provide us a shipping address and contact information, we will handle the rest. If there is a forwarder or courier you prefer to use, just let us know and we will accommodate.

Delivering quality products is an absolute priority for us at LDO. We have test procedures throughout the manufacturing process starting from individual components. If you need a specialized motor from us, we also augment our existing test plans with custom testing solutions. In the rare case that an issue does arise, we will work with you to solve any problems in a timely and transparent manner.

Yes, we can provide OEM services for volume production. Feel free to talk to us about your branding needs.


The following are common submodels for the LDO-16GM030 series. Click to request a quote and/or more information on a specific submodel.

Rated Voltage No Load Speed No Load Current(mA) Speed Current Torque Output Stall Torque Stall Current(A)
Part No. (V) (RPM) (mA) (RPM) (mA) (kg.cm) (W) (kg⋅cm) (A)
LDO-16GM030-105 5 100 20 77 170 0.3 0.23 1.3 0.55
LDO-16GM030-210 5 56 60 44 190 0.6 0.36 2.8 0.7