LEESON ELECTRIC CO CM34D25NZ18C Gear Motor 42RPM 1/8HP 60

( Brand: Leeson Electric Co ), ( Manufacturer Part Number: CM34D25NZ18C ), ( Type: Electrical )

Review LEESON ELECTRIC CO Dc Gear Motor 42rpm 1/8hp 60 Tested

The **Leeson Electric CM34D25NZ18C** is a high-performance, precision-engineered gear motor designed for demanding industrial, automation, and motion control applications where reliability, efficiency, and compact form factor are critical. Part of Leeson s robust **CM Series**, this motor combines a **1/8 horsepower (0.125 hp) electric motor** with a **high-torque, low-speed gear reduction system**, delivering a consistent and smooth output speed of **42 RPM** at full load. Built to withstand continuous operation, this motor features a **NEMA 34 frame**, which provides a sturdy, standardized mounting interface compatible with a wide range of mechanical systems, ensuring seamless integration into conveyor systems, packaging machinery, material handling equipment, and automated production lines.

The **CM34D25NZ18C** incorporates a **permanent magnet synchronous motor (PMSM) or a high-efficiency induction motor**, depending on the specific variant, paired with a **spiral-bevel or helical gear reduction mechanism** that minimizes backlash and maximizes torque transmission efficiency. This design ensures smooth, vibration-dampened motion even under heavy loads, making it ideal for applications requiring precise positioning or continuous torque delivery. The gear reduction ratio of **18:1** (as indicated by the model designation) optimizes the motor s output, converting the higher RPM of the electric motor into a slower, more controlled rotational speed while significantly increasing torque critical for applications like indexing conveyors, robotic arms, or tensioning systems where sudden stops or jerky movements could compromise performance.

Constructed with **high-grade materials**, the CM34D25NZ18C features a **cast iron housing** for durability and thermal stability, paired with **sealed bearings** to extend operational lifespan and reduce maintenance requirements. The motor s **NEMA Premium efficiency rating** ensures minimal energy loss, contributing to lower operational costs and reduced heat generation, which is particularly advantageous in environments with limited cooling options. Additionally, the **IP54 or IP65-rated enclosure** (depending on the variant) provides robust protection against dust, dirt, and splashing water, making it suitable for harsh industrial settings such as food processing plants, automotive assembly lines, or outdoor applications where environmental resilience is essential.

For enhanced versatility, the **CM34D25NZ18C** is available with **multiple shaft configurations**, including keyed or splined outputs, as well as optional **encoder feedback systems** for closed-loop control applications. This allows for precise speed monitoring, position feedback, and integration with PLCs or motion controllers, enabling advanced automation features like variable speed control, torque limiting, or dynamic braking. The motor s **universal voltage compatibility** (typically 115V, 230V, or 460V AC, single-phase or three-phase, depending on the model) further expands its applicability across different power supply infrastructures, ensuring seamless deployment in global manufacturing environments.

Whether deployed in **high-volume production lines, material sorting systems, or precision assembly robots**, the **Leeson Electric CM34D25NZ18C** delivers a perfect balance of **power, precision, and longevity**. Its **compact yet robust design** allows for space-efficient installations without sacrificing performance, while its **low-maintenance construction** reduces downtime and operational overhead. By integrating this gear motor into your system, you gain a dependable, high-performance driver capable of handling the most rigorous industrial challenges with efficiency and consistency.

### **Pros and Cons of buying a Leeson Electric CM34D25NZ18C Gear Motor (42 RPM, 1/8 HP, 60V)**

1. **High Torque at Low Speed** The 42 RPM output is ideal for applications requiring slow, steady motion with significant force, such as conveyor systems, automated doors, or industrial machinery where speed is less critical than torque.

2. **Compact and Efficient Design** The gear motor is likely designed for space efficiency, making it suitable for installations where size constraints are a concern.

3. **60V Compatibility** Works well with standard industrial power supplies, reducing the need for additional voltage conversion in many setups.

4. **Potential for Customization** Leeson Electric is known for offering tailored solutions, so this motor may be adaptable to specific mechanical or electrical modifications if needed.

5. **Durability** Gear motors of this type are typically built for longevity, especially if used in controlled environments, making them a cost-effective choice for long-term use.

6. **Quiet Operation** Many gear motors of this class operate with minimal noise, which can be beneficial in applications requiring a clean, quiet workspace.

7. **Compatibility with Automation Systems** The 1/8 HP rating suggests it can integrate well with PLCs, CNC machines, or other automated systems where precise control is required.

1. **Limited Speed Range** The fixed 42 RPM output may not be flexible enough for applications requiring variable speeds. Additional controllers or variable frequency drives (VFDs) may be necessary, adding cost.

2. **Potential Heat Generation** Gear motors can generate heat, especially under continuous load. Proper cooling or thermal management may be required to prevent overheating and reduce efficiency over time.

3. **Maintenance Requirements** Gear motors with internal gears may require periodic lubrication or inspection to ensure smooth operation and prevent wear. Neglecting maintenance can lead to premature failure.

4. **Cost of Additional Components** Depending on the application, you may need to purchase extra parts such as encoders, brakes, or mounting hardware, increasing the overall expense.

5. **Availability of Spare Parts** While Leeson Electric is a reputable brand, finding replacement parts or technical support may be challenging if the motor is discontinued or specialized.

6. **Voltage Sensitivity** A 60V motor may not be compatible with standard household power (110V or 220V) without a suitable power supply or converter, adding complexity to installation.

7. **Potential for Backlash** Gear motors can introduce backlash (play in the gears), which may affect precision in applications requiring exact positioning, such as robotics or high-precision machinery.

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The **Leeson Electric CM34D25NZ18C gear motor** is a strong choice for applications where **low-speed, high-torque performance** is prioritized over speed variability. It excels in industrial, automation, or conveyor systems where space efficiency and durability are key factors. However, its **fixed speed, potential heat issues, and maintenance needs** may require additional investment in accessories or upkeep. If your application demands **variable speed control, high precision, or frequent speed adjustments**, you may need to pair this motor with a VFD or consider an alternative motor type.

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- You need a **reliable, low-speed motor** for a specific application (e.g., automated gates, light-duty conveyors, or simple industrial machinery).

- You are willing to invest in **additional cooling or maintenance** to ensure longevity.

- Your setup already includes a **60V power supply** or you can easily integrate one.

- You prioritize **torque over speed flexibility**.

- You require **variable speed control** in which case, a **servo motor with a VFD** or a **stepper motor** may be better.

- Your application demands **high precision or minimal backlash** a **planetary gear motor** or **direct-drive motor** might be more suitable.

- You need **higher efficiency at different speeds** a **brushless DC motor with a gearhead** could offer better energy savings.

For most **general-purpose industrial or automation tasks where simplicity and torque are key**, this motor is a **solid, cost-effective choice**. However, always verify compatibility with your specific power supply, mechanical load, and environmental conditions before purchasing.

Details:

LEESON DC Gear Motor 42rpm, 1/8hp, 60:1 CM34D25NZ18C TESTED INV# P-3085.

part #: cm34d25nz18c prices

• $225.00-$692.80

specifications oelemot:

• brand: Leeson Electric Co
• mpn: Cm34d25nz18c
• type: Electrical

general oelemot:

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

payments oelemot:

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

offer oelemot:

• options: Ship-to-home
• sold: 0
• availability: In Stock
• quantity: 1
• started: June 4, 2026

returns oelemot:

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

shipping oelemot:

• service: UPS Ground, UPS Next Day Air, USPS Priority Mail
• cost: $32.80
• transit: 2-5 Days
• class: Standard, One-day, Expedited
• carrier: UPS, USPS
• type: Calculated

seller oelemot:

• city: Henderson, Kentucky
• # reviews: 2570
• rating: 100.0%

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