EMERSON 113.3662 Electric Utility Motor 1/3HP 1725RPM

( Brand: Emerson ), ( Manufacturer Part Number: 113.3662 ), ( Model: EMERSON 113.3662 ), ( Part Type: Motor ), ( Reversible/non-reversible: Reversible ), ( Rated Load: Hp ), ( Current Type: Ac ), ( Nema Design Letter: Design B ), ( Ac Frequency Rating: 60 Hz ), ( Shaft Type: D Profile ), ( Ac Motor Type: Induction/asynchronous ), ( Nominal Rated Input Voltage: 115 V ), ( Ac Phase: Single Phase )

Review EMERSON Vintage Working Electric Utility Motor 1/3hp 1725rpm Model Usa

The Emerson 113.3662 Electric Utility Motor is a robust, high-performance fractional horsepower electric motor designed for demanding industrial, commercial, and utility applications where reliability and efficiency are paramount. Engineered with precision, this 1/3 horsepower (0.373 kW) motor operates at a consistent 1725 RPM, delivering a balanced blend of power and torque to drive a wide range of mechanical systems with seamless performance. Built to meet strict industry standards, this motor features a compact yet durable NEMA Premium design, ensuring optimal energy efficiency while minimizing operational costs. Its robust construction incorporates high-quality materials, including a die-cast aluminum housing and a corrosion-resistant coating, which enhances resistance to environmental factors such as moisture, dust, and temperature fluctuations, making it ideal for both indoor and outdoor installations. The motor s enclosed fan-cooled (TEFC) configuration ensures safe and efficient heat dissipation, reducing the risk of overheating while maintaining peak performance under continuous operation. With a NEMA 56C frame size, this motor offers a versatile fit for various applications, including HVAC systems, pumps, compressors, conveyors, and industrial machinery. Its smooth-running, low-vibration design minimizes wear and tear on connected equipment, extending the lifespan of the entire system. Additionally, the motor s energy-efficient design aligns with modern sustainability goals, reducing electricity consumption without compromising on power output. Whether integrated into a critical utility infrastructure or a high-demand industrial process, the Emerson 113.3662 delivers dependable performance, operational longevity, and cost-effective energy use, making it a trusted choice for engineers and maintenance professionals seeking a dependable electric motor solution.

### **Pros and Cons of buying a Emerson 113.3662 Electric Utility Motor (1/3 HP, 1725 RPM)**

1. **Reliability and Brand Reputation** Emerson (now part of Emerson Electric) is a well-established manufacturer known for producing durable industrial motors. This model is designed for general-purpose use, making it suitable for applications like fans, pumps, and small machinery where dependability is key.

2. **Standard Specifications** The motor meets NEMA (National Electrical Manufacturers Association) standards, ensuring compatibility with common industrial equipment and wiring setups. The 1/3 HP rating and 1725 RPM speed are typical for fractional horsepower motors, making it versatile for light-duty tasks.

3. **Energy Efficiency** While not classified as a premium energy-efficient motor (like IE3 or IE4), it operates within reasonable efficiency standards for its class, reducing unnecessary energy consumption compared to older models.

4. **Easy Maintenance** Being a standard NEMA motor, it is designed for straightforward servicing, including bearing replacement, brush (if applicable) adjustments, and general upkeep. Spare parts are widely available due to its commonality.

5. **Cost-Effective for Basic Applications** For low-to-medium-duty tasks, this motor offers a balance between performance and affordability. It is often cheaper than premium or high-efficiency models, making it a practical choice for budget-conscious buyers.

6. **Compatibility with Existing Systems** Its standard mounting dimensions (likely NEMA 17 or similar) and electrical connections ensure it can be retrofitted into older machinery without major modifications.

7. **Long Lifespan with Proper Care** With regular maintenance (lubrication, cooling, and protection from environmental factors), this motor can last decades, especially in controlled environments.

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1. **Limited Power for Heavy Loads** At only 1/3 HP, this motor is not suitable for demanding applications requiring higher torque or continuous heavy-duty operation. It may struggle with frequent starts, high resistance loads, or applications needing more than minimal power.

2. **No Premium Efficiency Rating** Unlike newer IE3 or IE4 motors, this model does not offer the energy savings of high-efficiency designs. Over time, this could lead to slightly higher electricity costs, though the difference may be negligible for very light use.

3. **Potential for Overheating in Poor Environments** If used in dusty, humid, or poorly ventilated spaces, the motor may overheat, reducing its lifespan. It lacks specialized protection (e.g., IP65 or explosion-proof ratings) for harsh conditions.

4. **Brushes (If Applicable) Require Maintenance** If this is a brushed motor (common in older designs), the carbon brushes will wear out over time and need replacement, adding to long-term maintenance costs. Brushless models are more durable but may not be available in this specific part number.

5. **Limited Warranty** Like many standard motors, Emerson s warranty may be short (e.g., 1 2 years), leaving the buyer responsible for repairs or replacements after that period unless under contract.

6. **Potential for Obsolescence** As industries shift toward energy-efficient and smart motors, this model may become harder to find or support in the future, though its ubiquity mitigates this somewhat.

7. **Noise and Vibration** Fractional HP motors can sometimes produce more noise and vibration than larger, more robust motors, which may be noticeable in sensitive applications.

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The Emerson 113.3662 (1/3 HP, 1725 RPM) motor is a **solid, no-frills choice for light-duty, general-purpose applications** where reliability and cost-effectiveness are prioritized over energy savings or extreme durability. It excels in environments where the motor will operate under normal conditions with minimal strain, such as in small workshops, HVAC systems, or auxiliary machinery. However, it is **not ideal for high-torque, continuous-duty, or harsh-environment applications**, where a more robust or efficient motor would be preferable.

For most **homeowners, small businesses, or DIYers** replacing an old motor in a fan, pump, or similar device, this motor offers a **practical and affordable solution**. If the application involves **frequent starts, heavy loads, or extreme conditions**, investing in a slightly higher-rated or energy-efficient motor (e.g., 1/2 HP or IE3-rated) would be wiser.

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- You need a **replacement motor for a low-to-medium-duty application** (e.g., ceiling fans, small pumps, or light machinery).

- You require a **standard, widely available motor** with minimal hassle for installation and maintenance.

- Your budget is **limited**, and you prioritize functionality over energy savings.

- The motor will operate in a **controlled environment** (not exposed to extreme dust, moisture, or temperature fluctuations).

- Your application demands **higher power, frequent starts, or heavy loads** (e.g., industrial conveyors, large compressors).

- You operate in a **harsh environment** (e.g., outdoor, corrosive, or high-vibration settings), where a **NEMA Premium, TEFC (totally enclosed), or explosion-proof motor** would be better.

- You want **long-term energy savings**, in which case a **higher-efficiency motor (IE3 or IE4)** would be more cost-effective over time.

- You cannot confirm the **exact mounting or electrical compatibility** with your existing setup, as mismatches could cause problems.

- **Emerson IE3-rated motor** (if energy efficiency is a priority).

- **Baldor/Relugos or ABB motors** (similar reliability with broader efficiency options).

- **A slightly larger motor (e.g., 1/2 HP)** if your application occasionally requires more power.

- **A brushless DC motor** if you need lower maintenance and longer lifespan (though this may require additional electronics).

In summary, this motor is a **safe, budget-friendly choice for basic needs**, but careful consideration of your specific application is essential to avoid performance issues.

Details:

Working Emerson Electric Utility motor, mfg in Oct 1963. Please the pictures as they are best of item.

part #: 1133662 prices

• $99.95-$233.99

specifications oelemot:

• brand: Emerson
• mpn: 113.3662
• model: Emerson 113.3662
• part type: Motor
• reversible/non-reversible: Reversible
• rated load: Hp
• current type: Ac
• nema design letter: Design B
• ac frequency rating: 60 Hz
• shaft type: D Profile
• ac motor type: Induction/asynchronous
• nominal rated input voltage: 115 V
• ac phase: Single Phase

offer oelemot:

• options: Ship-to-home
• started: February 25, 2026
• availability: In Stock
• best offers: True
• quantity: 1
• sold: 0

general oelemot:

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

returns oelemot:

• policy: No Returns

shipping oelemot:

• service: USPS Ground Advantage
• cost: $15.28
• carrier: USPS
• transit: 5-12 Days
• type: Calculated
• class: Standard

payments oelemot:

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

seller oelemot:

• # reviews: 14
• city: Federalsburg, Maryland
• rating: 93.8%

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