LEESON CM31D18NZ69B Gear Motor CM31D18NZ6G Leeson. 1/17HP 90V

( Brand: Leeson ), ( Manufacturer Part Number: CM31D18NZ69B ), ( Model: CM31D18NZ6G ), ( Part Type: Gear Motor ), ( Rated Load: Hp ), ( Current Type: Dc ), ( Service Factor: 1.00 ), ( Nominal Rated Input Voltage: 90 V )

Review LEESON Leeson. 1/17hp Gear Motor 90v

The **Leeson CM31D18NZ69B 1/17 HP Gear Motor (90V)** is a high-performance, precision-engineered electric actuator designed for demanding industrial, commercial, and automation applications where reliability, efficiency, and compact form factor are critical. This robust motor belongs to Leeson s **CM31 series**, a line of low-voltage, high-torque gear motors renowned for their durability and seamless integration into automated systems. Built with a **1/17 horsepower (HP) output**, this motor delivers consistent and controlled motion, making it ideal for applications such as conveyor systems, automated doors, industrial shutters, medical equipment, HVAC controls, and custom automation projects where precise positioning and smooth operation are essential.

The **CM31D18NZ69B** operates at a nominal voltage of **90V**, providing a balanced power-to-size ratio that ensures efficient energy use without compromising performance. Its **gear reduction system** likely featuring a high-quality helical or planetary gear arrangement transfers torque effectively while minimizing backlash and wear, ensuring long-term reliability even under cyclic or continuous operation. The motor s compact yet sturdy design allows for easy installation in tight spaces, making it a versatile choice for retrofitting existing systems or incorporating into new builds where space optimization is a priority.

Constructed with **high-grade materials**, including corrosion-resistant coatings and sealed bearings, this motor is built to withstand harsh environments, including exposure to dust, moisture, and temperature fluctuations. The **NZ69B** designation suggests a specific gear ratio and mounting configuration, likely optimized for applications requiring moderate to high torque at lower speeds, such as those found in material handling, security systems, or automated window treatments. The motor s **low-noise operation** and smooth gear engagement further enhance its suitability for applications where minimal vibration and quiet performance are desired.

For enhanced functionality, the **CM31D18NZ69B** can be paired with Leeson s range of **control options**, including limit switches, encoders, or programmable controllers, allowing for precise speed regulation, position feedback, and safety integration. Its **universal compatibility** with standard control systems ensures seamless integration into PLC-based automation setups, making it a flexible solution for both simple and complex applications. Whether used in a factory automation line, a medical device, or a custom industrial mechanism, this motor delivers the **torque, efficiency, and longevity** required to meet the demands of modern industrial and automation challenges.

### Pros and Cons of buying a Leeson CM31D18NZ69B (1/17 HP, 90V Gear Motor) and CM31D18NZ6G

1. **High Efficiency and Power Output** The 1/17 HP rating indicates it is designed for moderate to heavy-duty applications, making it suitable for tasks requiring consistent torque and speed. The 90V specification suggests it is optimized for specific voltage-driven systems, which can improve performance in certain applications.

2. **Durable Construction** Leeson motors are generally known for robust build quality, often featuring sealed bearings, reinforced housings, and corrosion-resistant materials. This makes the motor suitable for industrial or outdoor environments where reliability is critical.

3. **Precision Engineering** Gear motors like this typically incorporate helical or worm gears, which provide smooth operation, reduced backlash, and extended lifespan compared to standard motors. The CM31 series is likely designed for applications requiring precise control, such as conveyor systems, automation, or medical equipment.

4. **Compatibility with Control Systems** The 90V rating suggests it may be compatible with variable frequency drives (VFDs) or other control systems, allowing for adjustable speed and torque. This flexibility is beneficial for applications requiring dynamic performance adjustments.

5. **Compact and Space-Efficient Design** Gear motors are often more compact than equivalent non-geared motors, making them ideal for installations where space is limited. The CM31 series appears to be designed for integration into tight mechanical setups.

6. **Potential for Long Lifespan** With proper maintenance, gear motors like this can operate for years, especially in applications with consistent loads. The sealed design helps protect against dust, moisture, and debris, reducing wear and tear.

7. **Widely Available Support and Parts** Leeson is a well-established brand, meaning replacement parts, technical support, and documentation are likely readily available. This reduces downtime and simplifies troubleshooting.

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1. **Voltage-Specific Limitations** The 90V rating means this motor is not universally compatible with standard 110V, 220V, or other common voltage systems without additional components (e.g., voltage converters or transformers). This could add complexity and cost to integration.

2. **Potential for Higher Initial Cost** Specialized gear motors, especially those from reputable brands like Leeson, may be more expensive upfront compared to generic or off-brand alternatives. The cost must be justified by the motor s performance and longevity.

3. **Maintenance Requirements** While durable, gear motors require periodic lubrication of gears and bearings to prevent wear. Neglecting maintenance can lead to premature failure, especially in dusty or high-vibration environments.

4. **Limited Off-the-Shelf Availability** Depending on the region, this specific model (CM31D18NZ69B or CM31D18NZ6G) may not be stocked by all distributors. Custom orders or longer lead times could be necessary, impacting project timelines.

5. **Noise and Heat Generation** Gear motors can produce more noise and heat than standard motors due to mechanical friction and gear engagement. Proper ventilation and acoustic considerations may be needed in sensitive applications.

6. **Potential for Overkill in Light-Duty Applications** If the application only requires minimal torque or speed, a 1/17 HP motor may be overpowered, leading to inefficiency, higher energy consumption, or unnecessary wear.

7. **Compatibility with Load Requirements** If the intended load exceeds the motor s rated capacity (e.g., continuous torque or speed), it could overheat or fail prematurely. Careful load analysis is essential before purchase.

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The Leeson CM31D18NZ69B (or CM31D18NZ6G) gear motor is a high-quality, precision-engineered component well-suited for applications demanding reliability, torque, and efficiency in moderate to heavy-duty environments. Its 90V specification and robust construction make it ideal for specialized systems where performance and longevity are prioritized. However, its voltage-specific nature, potential higher cost, and maintenance needs must be carefully considered against the application s requirements.

For **industrial automation, conveyor systems, medical equipment, or other precision-driven applications**, this motor is a strong recommendation due to its durability and performance. For **light-duty or general-purpose use**, a lower-cost or more universally compatible motor might be more practical.

- Your application requires consistent torque and speed at 90V.

- You have a clear load analysis confirming the motor s capacity.

- You can justify the initial cost with long-term reliability and efficiency gains.

- Maintenance (lubrication, cooling) can be consistently performed.

- Your system operates on standard voltages (e.g., 110V, 220V) without a converter.

- The application is low-torque or intermittent, making a smaller motor more cost-effective.

- You require immediate availability and are willing to compromise on brand reputation for cost savings.

For optimal results, consult the manufacturer s specifications, consult an engineer for load matching, and ensure proper installation and maintenance protocols are in place.

Details:

Built by the trusted brand LEESON, CM31D18NZ6G model offers a consistent and dependable performance for various business industrial uses. With a rated load of 1/17 horsepower and service factor this motor is capable efficiently operating at nominal input voltage 90 volts . 1/17hp Gear Motor is a reliable electric motor designed for industrial automation and motion control applications. Item was removed from a working environment.

The Leeson M1125111.00 30:1 TENV Enc.

part #: cm31d18nz69b prices

• $145.00-$174.95

specifications oelemot:

• brand: Leeson
• mpn: Cm31d18nz69b
• model: Cm31d18nz6g
• part type: Gear Motor
• rated load: Hp
• current type: Dc
• service factor: 1.00
• nominal rated input voltage: 90 V

payments oelemot:

• other
• credit card: Discover
• wallet: Google-pay

shipping oelemot:

• type: Fixed
• cost: $15.00
• service: Expedited
• transit: 4-7 Days
• class: Expedited

general oelemot:

• condition: Used
• Industrial Automation Motion Controls > Electric Motors > General Purpose Motors

offer oelemot:

• availability: In Stock
• sold: 0
• quantity: 1
• options: Ship-to-home
• started: May 16, 2026

returns oelemot:

• paid by: Buyer
• policy: Returns Accepted
• method: Money back
• time: 30 Days

seller oelemot:

• city: Westminster, California
• # reviews: 3303
• rating: 100.0%

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