CRAFTSMAN 1157420 Ac Motor Rpm Base 1/4 115V 1750 5A

( Brand: Craftsman ), ( Manufacturer Part Number: 1157420 ), ( Part Type: Ac Hp Motor ), ( Actual Rated Input Voltage: 115 V ), ( Full Load Amps: 5.0 ), ( Current Type: Ac ), ( Rated Load: Hp ), ( Ac Frequency Rating: 60 Hz ), ( Base Rpm: 1750 ), ( Mounting Type: Base-mounted )

Review CRAFTSMAN 1/4 Hp Ac Appliance Motor 115v Rpm 5a Base mounted

The **Craftsman 1157420 Horsepower AC Motor (115V, 1750 RPM, 5 Amps)** is a robust, high-performance electric motor designed for reliability and versatility in a wide range of residential and light-commercial applications. Engineered with Craftsman s signature quality craftsmanship, this base-mounted motor delivers consistent, efficient power for demanding tasks while maintaining a compact and space-saving footprint. Operating at a nominal voltage of **115V single-phase**, it provides a steady **1750 RPM** output, making it ideal for applications requiring moderate to high-speed performance, such as garage door openers, sump pumps, air compressors, and small industrial machinery. With a **5-amp current draw**, this motor balances power efficiency with energy savings, ensuring it remains cool under sustained operation without excessive strain on electrical systems. Its **squirrel-cage induction design** ensures smooth, vibration-free performance, reducing wear and tear on connected equipment while extending the lifespan of both the motor and the attached machinery. The **base-mounted configuration** allows for easy installation and secure mounting, whether in tight spaces or integrated into larger systems, while its durable construction featuring high-quality insulation and corrosion-resistant components guarantees long-term durability even in environments with moderate exposure to moisture or dust. Whether used in a home workshop, garage, or small-scale commercial setting, this motor combines **reliability, efficiency, and ease of use**, making it a dependable choice for professionals and DIY enthusiasts alike who demand performance without compromise.

### **Pros and Cons of buying a Craftsman 1157420 (1/4 HP, 115V, 1750 RPM, 5A, Base-Mounted AC Motor)**

1. **Reliable Brand Reputation** Craftsman is a well-known brand in power tools and motors, offering a balance of quality and affordability. Their motors are often used in appliances, machinery, and DIY projects, suggesting durability and compatibility with various applications.

2. **Standard Specifications** The motor meets common industrial and household requirements (115V, 1750 RPM, 5A), making it versatile for tasks like fans, small compressors, pumps, or light-duty machinery. This universality simplifies integration into existing setups.

3. **Base-Mounted Design** The base-mounted configuration provides stability, reducing vibration and noise during operation. This is particularly useful for applications where the motor is fixed in place, such as in a cabinet or mounted on a frame.

4. **Affordable Price Point** As a mid-range motor, it is likely more cost-effective than premium industrial motors while still offering sufficient power for light to moderate workloads. This makes it a practical choice for budget-conscious buyers.

5. **Easy Installation** The straightforward design and standard electrical connections (115V) mean it can be installed by someone with basic electrical knowledge. No specialized tools or expertise are typically required beyond standard wiring practices.

6. **Decent Power Output** At 1/4 HP, this motor can handle continuous or intermittent tasks like circulating water, running small blowers, or driving light machinery without overheating under normal conditions.

7. **Compatibility with Common Appliances** Many small appliances, workshop tools, and HVAC components use similar motors, so this could serve as a replacement or upgrade in those contexts.

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1. **Limited High-Torque Performance** At 1/4 HP, this motor is not designed for heavy-duty tasks requiring high starting torque (e.g., lifting large weights, driving thick fluids, or powering high-resistance loads). It may struggle with sudden load increases or prolonged heavy use.

2. **No Built-In Overload Protection** Unlike some higher-end motors, this model may lack automatic overload protection, meaning it could fail or burn out if overloaded or used improperly. Users may need to add external protection (e.g., a thermal relay) for safety.

3. **Lifespan Dependent on Usage** While Craftsman motors are durable, their longevity depends heavily on maintenance (lubrication, cooling, and proper load management). Poor conditions (dust, moisture, or continuous operation) can reduce their lifespan.

4. **Potential for Noise and Vibration** Base-mounted motors can still produce some noise and vibration, especially if not properly aligned or if the load is uneven. This may be noticeable in quiet environments or sensitive applications.

5. **No Brushless Design** This is a brushed AC motor, which means brushes will eventually wear out and require replacement. Brushless motors (common in modern applications) are more efficient and longer-lasting but typically more expensive.

6. **Limited Customization** Unlike some industrial motors, this model does not offer adjustable speed or variable frequency options. The RPM is fixed at 1750, which may not suit applications requiring speed control.

7. **Availability of Parts** While Craftsman parts are widely available, specialized or older models might have limited replacement parts over time. Always check stock before purchasing.

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The **Craftsman 1157420** is a **practical, mid-range AC motor** suited for **light to moderate applications** where reliability and affordability are priorities. It excels in **versatility, ease of installation, and stability**, making it ideal for **DIY projects, small appliances, or workshop tools** that don t demand extreme torque or precision. However, it is **not designed for heavy-duty or high-torque tasks**, and users must ensure proper maintenance to maximize its lifespan.

For **budget-conscious buyers** who need a **replacement motor for fans, pumps, or small machinery**, this is a **solid choice**. If you require **higher performance, longer lifespan, or advanced features** (e.g., brushless, variable speed), investing in a **premium industrial motor** may be worth the cost.

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- You need a **reliable, affordable motor** for **light-duty tasks** (e.g., fans, small compressors, pumps).

- You re replacing an existing Craftsman or similar motor in a **low-to-moderate workload** application.

- You re comfortable with **basic electrical connections** and **routine maintenance** (lubrication, cooling).

- Your application requires **high torque, variable speed, or continuous heavy use** (e.g., industrial machinery, large pumps). In this case, a **brushless motor, VFD-controlled motor, or a higher HP motor** would be better.

- You need **long-term reliability without maintenance** higher-end brands (e.g., Leeson, Baldor) may offer better durability.

- You re unsure about **electrical compatibility** verify voltage, phase, and amperage match your system.

**Final Verdict:** This motor is a **good value for general-purpose use** but should not be relied upon for **demanding or critical applications**. Always test compatibility and load requirements before installation.

Details:

Craftsman 1/4 HP AC Appliance Motor 115V 1750 RPM 5A Base-Mounted 1157420.

part #: 1157420 prices

• $79.25-$149.00

specifications oelemot:

• brand: Craftsman
• mpn: 1157420
• part type: Ac Hp Motor
• actual rated input voltage: 115 V
• full load amps: 5.0
• current type: Ac
• rated load: Hp
• ac frequency rating: 60 Hz
• base rpm: 1750
• mounting type: Base-mounted

returns oelemot:

• policy: No Returns

general oelemot:

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

shipping oelemot:

payments oelemot:

• credit card: Discover
• wallet: Paypal
• other

seller oelemot:

• # reviews: 16
• rating: 0.0%
• city: Warren, Ohio

offer oelemot:

• options: Seller-arranged-local-pickup
• quantity: 1
• sold: 0
• started: May 9, 2026
• availability: In Stock
• best offers: True

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