Hongyang Motor · Yuyao, China · Established 1988OEM · ODM · Custom motor development

RS-977 Brushed DC Motor

RS-977 is a brushed DC motor series for OEM equipment. Compare the installation dimensions and published configurations, then confirm the shaft, winding and loaded working point for your assembly.

Product type
Brushed DC Motor
Motor Length
69mm(Excluding the Shaft)
Motor Diameter
52mm(Add Magnet Shield Ring: 54mm Max)
Nominal supply
7.2 / 12 / 24 V

Confirm the full model code, selected drawing and operating requirements for your OEM order.

Specifications and Configuration References

Legacy range note: broad voltage, speed and torque figures below are historical customization references, not the nominal rating or confirmed available operating range of one selected motor. Check the complete winding/configuration and its test conditions.

Motor Length
69mm(Excluding the Shaft)
Motor Diameter
52mm(Add Magnet Shield Ring: 54mm Max)
Shaft Length
Custom
Shaft Diameter
6.35mm
Shaft Type
Round, D-Cut, Knurling, Thread, Ribbing, etc.
Voltage
0-36V
Speed
2000-30000RPM
Torque
0-1.5N.m

Dimensions and Source Customization Ranges

The broad voltage, speed and torque ranges in this legacy source block describe historical customization references. They are not the nominal ratings of one winding, a continuous-duty operating envelope, or a promise that every value or combination is available. Use the complete selected configuration and its agreed test conditions for an order.

Motor Length: 69mm(Excluding the Shaft)
Motor Diameter: 52mm(Add Magnet Shield Ring: 54mm Max)
Shaft Length: Custom
Shaft Diameter: 6.35mm
Shaft Type: Round, D-Cut, Knurling, Thread, Ribbing, etc.
Voltage: 0-36V
Speed: 2000-30000RPM
Torque: 0-1.5N.m

Published Winding Configurations

MODEL VOLTAGE NO LOAD AT MAXIMUM EFFICIENCY STALL
OPERATING RANGE NOMINAL SPEED CURRENT SPEED CURRENT TORQUE OUTPUT EFF CURRENT TORQUE
rpm A rpm A g-cm mN-m W % A g-cm mN-m
HRS-977S-8102 6.0 - 9.0 7.2V CONSTANT 6100 2 5600 6 500 49 28.71 66.5 50.8 6100 597.8
HRS-977S-8698F 9.0 - 15.0 12.0V CONSTANT 13000 2.6 12000 8.5 500 49 61.53 60.3 79.3 6500 637
HRS-977S-4834F 18.0 - 24.0 24.0V CONSTANT 6200 0.9 5550 1.75 500 49 28.46 67.8 9.01 4769 467.4
HRS-977S-7612F 18.0 - 24.0 24.0V CONSTANT 17500 2.5 15600 10 900 88.2 144 60 71.6 8290 812.4

Data is configuration-specific. Confirm the selected winding or gear ratio, test supply, loaded working point and drawing revision before ordering. Maximum-efficiency or stall values are separate reference conditions.

Dimensions and Technical Drawings

RS-977 RS-977 technical drawing or performance reference
RS-977 technical drawing or performance reference · Open original image
RS-977 RS-977 technical drawing or performance reference
RS-977 technical drawing or performance reference · Open original image

Match the Configuration to Your Equipment

A model name is the starting point. Share the operating conditions and drawing so the electrical and mechanical configuration can be reviewed together.

  • Supply voltage and loaded speed/torque
  • Duty cycle, starting current and thermal conditions
  • Shaft projection, diameter and mounting holes
  • Lead wires, connectors and control requirements
Hongyang motor manufacturing equipment

Questions from OEM buyers

How do I request an OEM quotation for RS-977?

Send the complete motor or winding code, supply voltage, loaded speed and torque, duty cycle, installation drawing and expected quantity. Include the shaft, mounting and terminal requirements for your OEM assembly.

Can I select this series by its name alone?

Use the complete winding code and matching drawing. Motors with the same series name can have different windings, shaft details and operating points; confirm the selected version before sample evaluation.

What should be checked before a production order?

Confirm the selected model code, drawing revision and acceptance requirements, then evaluate the sample in the intended equipment and operating conditions.

Discuss Your Motor Requirements

Share your supply, loaded speed, torque and installation requirements with the expected quantity.

  • Supply voltage, loaded speed and torque
  • Shaft, mounting and installation requirements
  • Sample quantity and expected project demand

A drawing, reference motor or application brief is a useful starting point.

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