CRAFTSMAN 115-7666 Electric Motor Rpm 1/3RD 1750

( Brand: Craftsman ), ( Manufacturer Part Number: 115-7666 ), ( Part Type: Hp Motor ), ( Inverter/vector Duty Rating: Not Inverter/vector Duty Rated ), ( Rated Load: Hp ), ( Ac Frequency Rating: 60 Hz ), ( Ac Motor Type: Induction/asynchronous ), ( Insulation Class: A ), ( Mounting Type: Base-mounted ), ( Reversible/non-reversible: Reversible ), ( Current Type: Ac ), ( Protection Against Liquids: Not Protected ), ( Ip Rating: Not Rated ), ( Nominal Rated Input Voltage: 115 V ), ( Ac Phase: Single Phase )

Review CRAFTSMAN Vintage Electric Motor 1/3rd Hp Rpm

The **Craftsman 115-7666 Electric Motor**, a robust and versatile 1/3 horsepower (HP) unit, is a dependable workhorse designed to deliver consistent performance for a wide range of residential and light commercial applications. Engineered with precision, this motor operates at a standard **1750 RPM (revolutions per minute)**, making it ideal for tasks requiring steady, medium-speed power, such as garage door openers, small workshop tools, conveyor systems, or even certain HVAC components. Built to last, the Craftsman 115-7666 features a **split-phase induction design**, ensuring efficient starting torque and smooth operation without the need for additional external components. Its compact yet sturdy construction incorporates high-quality materials, including a durable **die-cast aluminum housing** that resists corrosion and wear, while the **ball-bearing assembly** provides long-lasting reliability with minimal friction. The motor s **NEMA Premium efficiency rating** ensures optimal energy consumption, reducing operational costs while maintaining peak performance. Whether integrated into a larger mechanical system or used as a standalone power source, this motor exemplifies Craftsman s commitment to durability, efficiency, and ease of installation. With its **universal compatibility** and robust build, the 115-7666 is an excellent choice for both DIY enthusiasts and professionals seeking a dependable, long-term solution for their power needs.

**Pros and Cons of buying a Craftsman 115-7666 Electric Motor (1/3 HP, 1750 RPM)**

### **Pros**

1. **Reliability and Brand Reputation** Craftsman is a well-known brand under Sears, known for durable and long-lasting electric motors in power tools and appliances. This motor is designed for general-purpose use, meaning it is built to handle moderate loads without frequent failure.

2. **Universal Compatibility** The 1/3 HP, 1750 RPM motor is a common specification, making it suitable for a variety of applications, including small appliances, fans, pumps, and light-duty machinery. Its standard voltage (likely 120V) ensures compatibility with most household electrical systems.

3. **Affordability** Compared to specialty or high-performance motors, this is a cost-effective option. It is priced reasonably for basic to moderate use, making it a practical choice for DIY projects, repairs, or replacement parts.

4. **Easy Installation** The motor is designed for straightforward integration into appliances or machinery. It typically comes with mounting brackets and wiring terminals, simplifying the installation process for those with basic mechanical skills.

5. **Decent Power Output** At 1/3 horsepower, this motor provides sufficient torque for light to medium-duty tasks. It can handle continuous operation in applications like small fans, blowers, or low-load pumps without overheating under normal conditions.

6. **Availability of Replacement Parts** As a widely used motor, replacement parts (such as bearings, brushes, or windings) are often available through hardware stores, online retailers, or Craftsman s official channels.

7. **Energy Efficiency for Basic Use** While not energy-efficient by modern standards, it performs adequately for non-critical applications where efficiency is not the primary concern.

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### **Cons**

1. **Limited High-Torque Performance** At only 1/3 HP, this motor lacks the power needed for heavy-duty tasks such as high-capacity pumps, industrial machinery, or applications requiring sustained high torque. It may struggle with resistive loads or frequent starts/stop cycles.

2. **Lifespan Dependent on Usage** Like all electric motors, its lifespan is tied to maintenance and operating conditions. Poor ventilation, dust accumulation, or continuous operation near its capacity can reduce its longevity. Brushes (if it is a brushed motor) will eventually wear out and require replacement.

3. **Potential for Overheating** Running the motor at or near its maximum capacity for extended periods can cause overheating, leading to reduced efficiency or premature failure. It lacks advanced thermal protection features found in higher-end motors.

4. **Noisy Operation** Some users report that this motor can be louder than premium or brushless alternatives, especially as it ages. This may be an issue in applications where noise is a concern (e.g., home offices or quiet environments).

5. **Brush Wear (If Brushed Motor)** If the Craftsman 115-7666 is a brushed motor (common in older or budget models), the carbon brushes will wear down over time, requiring periodic replacement. Brushless motors are more durable but typically more expensive.

6. **Limited Warranty** Craftsman s standard warranty may not cover all potential issues, especially if the motor is used in non-standard applications. Some buyers may find that extended warranties or manufacturer support are lacking compared to premium brands.

7. **Potential for Voltage Fluctuations** In areas with unstable electrical supply, the motor may experience reduced performance or premature wear due to inconsistent power delivery.

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### **Conclusion**

The Craftsman 115-7666 electric motor is a solid, budget-friendly choice for light to moderate applications where reliability and affordability are prioritized over high performance. It excels in general-purpose use, such as small appliances, fans, or low-load machinery, where it can operate reliably for years with proper maintenance. However, it is not suited for heavy-duty, high-torque, or continuous high-load tasks, where a more robust motor (e.g., 1 HP or higher, brushless, or industrial-grade) would be preferable.

For most homeowners, DIYers, or those replacing a failing motor in a non-critical application, this motor offers a practical balance of cost and functionality. If you anticipate demanding or continuous use, however, investing in a higher-quality motor may extend its lifespan and improve performance.

### **Recommendation**

- You need a replacement motor for a small appliance, fan, or light-duty machine.

- Your application involves intermittent or low-load operation.

- You prioritize affordability and brand reliability over advanced features.

- You are comfortable with basic maintenance (e.g., brush replacement if applicable).

- Your application requires high torque, frequent starts/stop cycles, or continuous heavy use.

- You need a quieter or more energy-efficient motor.

- You are open to investing slightly more for a brushless or higher-HP motor that offers longer lifespan and better performance.

- You require extended warranties or specialized support.

For most casual users, this motor is a practical and cost-effective solution. For professional or high-demand applications, exploring options like a **1 HP Craftsman motor, a brushless motor, or a motor from a brand like Leeson or Baldor** may be worth the additional cost.

Details:

With a maximum temperature rating of 221 F and nominal rated input voltage 115 V, this Craftsman electric motor is reliable durable option for industrial automation motion control systems. With a rated load of 1/3 HP and an AC frequency rating 60 Hz, this motor is suitable for wide range applications. The motor is reversible and features a base-mounted design, making it versatile for various mounting configurations.

part #: 1157666 prices

• $40.00-$99.00

specifications oelemot:

• brand: Craftsman
• mpn: 115-7666
• part type: Hp Motor
• inverter/vector duty rating: Not Inverter/vector Duty Rated
• rated load: Hp
• ac frequency rating: 60 Hz
• ac motor type: Induction/asynchronous
• insulation class: A
• mounting type: Base-mounted
• reversible/non-reversible: Reversible
• current type: Ac
• protection against liquids: Not Protected
• ip rating: Not Rated
• nominal rated input voltage: 115 V
• ac phase: Single Phase

returns oelemot:

• policy: No Returns

shipping oelemot:

• carrier: USPS
• type: Fixed
• transit: 4-9 Days
• class: Standard
• cost: $29.99
• service: USPS Ground Advantage

payments oelemot:

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

general oelemot:

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

offer oelemot:

• availability: In Stock
• started: March 22, 2026
• options: Ship-to-home
• best offers: True
• quantity: 1
• sold: 0

seller oelemot:

• city: Peosta, Iowa
• # reviews: 567
• rating: 99.8%

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