Overview
HIGH TORQUE HTDW-7256-35-NE Motor (HTDW-7256 series) is a high-torque motor module with a 35 reduction ratio, designed for precise low-speed, high-load motion control. It features 14-bit input and output encoder resolution, low backlash (<10Arcmin), and supports a wide 12-48V voltage range.
Applications
- Humanoid robots
- Robotic arms
- Exoskeletons
- Quadruped robots
- AGV vehicles
- ARU robots
Key Features
- Reduction ratio: 35
- Low backlash: <10Arcmin
- Positioning accuracy: repeat <12Arcmin; absolute <15Arcmin
- Encoder feedback: input encoder resolution 14-bit; output encoder resolution 14-bit
- Control performance: response time ≤200us; control frequency 3kHz; control accuracy ±15%; speed control accuracy ±15%
- Electrical interface parameters: baud rate 5Mbps
Specifications
| Model | HTDW-7256-35-NE |
| Length and Width | 75mm |
| Height | 56mm |
| Weight | 850g |
| Backlash | <10Arcmin |
| Repeat Positioning Accuracy | <12Arcmin |
| Absolute Positioning Accuracy | <15Arcmin |
| Torque Constant | 0.562Nm/A |
| Number of Pole Pairs | 14 |
| Reduction Ratio | 35 |
| Locked-rotor Torque | 60Nm |
| No-load RPM | 60RPM |
| Rated Torque | 15Nm |
| Rated RPM | 50RPM |
| Rating | 79W |
| Voltage Range | 12-48V |
| Peak Current | 45A |
| Speed Control Accuracy | ±15% |
| Input Encoder Resolution | 14-bit |
| Baud Rate | 5Mbps |
| Rated Current | 8A |
| Control Accuracy | ±15% |
| Response Time | ≤200us |
| Output Encoder Resolution | 14-bit |
| Control Frequency | 3kHz |
For pre-sales and integration support, contact support@rcdrone.top or visit https://rcdrone.top/.
Manuals
- Installation Drawing (PDF)
- HIGH TORQUE Motor Debugging Assistant User manual (PDF)
- Debugging Manual (PDF)
- 1.2 fdcan Protocol Analysis (PDF)
- User Manual (PDF)
- HTDW-7256-35-NE 3D Model (STEP)
Details

A compact, high-torque joint motor module built for precise low-speed motion control in robotics and automation.

Key performance parameters, torque-speed curve, and installation dimensions are provided for integration and mechanical layout.
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