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  3. DUNLAP 6759

DUNLAP 6759 Motor Dual Shaft Split Phase 1/3HP 1750RPM 115V 1PH 1/2

6759 Dunlap 1/3hp 1750rpm 115v 1ph Motor 1/2 Inch Dual Shaft Split Phase Tested Read Ad

( Brand: Dunlap ), ( Manufacturer Part Number: 6759 ), ( Model: 115 6759 ), ( Part Type: Motor Shaft ), ( Rated Load: Hp ), ( Current Type: Ac ), ( Nominal Rated Input Voltage: 110 V, 115 V, 120 V ), ( Shaft Diameter: 1/2 In ), ( Ac Phase: Single Phase )

Review DUNLAP 1/3hp 1750rpm 115v 1ph Motor 1/2 Inch Dual Shaft Split Phase Tested Read Ad

The **Dunlap 6759 1/3 Horsepower, 1750 RPM, 115V Single-Phase Split Phase Motor** is a robust, high-performance electric motor engineered for reliability and efficiency in a wide range of industrial, commercial, and residential applications. Part of Dunlap s trusted line of fractional horsepower motors, this compact yet powerful unit delivers consistent performance with a **1/3 HP output**, making it ideal for applications requiring moderate torque and steady operation, such as small conveyors, pumps, fans, compressors, and appliance drives. Its **split-phase design** ensures smooth starting without the need for external capacitors, simplifying installation and reducing maintenance demands while maintaining optimal energy efficiency.

Built with precision engineering, this motor operates at a **1750 RPM synchronous speed**, striking a balance between speed and torque for applications where moderate rotational velocity is required. The **115V single-phase power rating** ensures compatibility with standard household and light-commercial electrical systems, making it a versatile choice for environments where dedicated three-phase power is unavailable. The **dual shaft configuration** provides added flexibility, allowing for direct coupling to various mechanical loads or the use of pulleys and belts, depending on the application s specific requirements.

Constructed with **high-quality materials**, including durable windings and a robust frame, the Dunlap 6759 is designed to withstand continuous operation under normal conditions while minimizing heat buildup. Its **split-phase induction motor technology** ensures reliable starting performance, reducing the risk of stalling or overheating during initial power-up. The motor s **NEMA Premium efficiency standards** further enhance its performance, reducing energy consumption and operational costs over time. Whether integrated into HVAC systems, industrial machinery, or household appliances, this motor offers a dependable solution that balances power, efficiency, and longevity.

With a focus on **durability and ease of use**, the Dunlap 6759 is an excellent choice for engineers, contractors, and maintenance professionals seeking a dependable motor that delivers consistent performance without compromising on quality. Its compact yet sturdy design ensures seamless integration into existing systems, while its **low-maintenance construction** reduces downtime and extends the lifespan of the equipment it powers. Backed by Dunlap s reputation for reliability, this motor is a practical investment for applications where performance, efficiency, and long-term dependability are paramount.

### **Pros and Cons of buying a Dunlap 6759 (1/3 HP, 1750 RPM, 115V, 1-Phase, Dual Shaft Split Phase Motor)**

#### **Pros:**

1. **Reliable Brand Reputation** Dunlap is a well-established manufacturer known for producing durable, high-quality motors for industrial and commercial applications. Their motors are often used in HVAC systems, pumps, and small machinery, where reliability is critical.

2. **Split Phase Design** This motor features a split-phase starting mechanism, which simplifies installation and reduces the need for additional starting components (like capacitors or relays). It is self-starting, making it easier to use in applications where frequent cycling occurs.

3. **Dual Shaft Configuration** The dual shaft design allows for flexibility in mounting and coupling options. This can be advantageous if the application requires different shaft configurations without needing to modify the motor itself.

4. **Standard Voltage and Frequency** Operating at **115V, 1-phase, 60Hz**, this motor is compatible with most standard U.S. electrical systems, reducing the need for voltage converters or phase correction equipment.

5. **Compact and Lightweight** At **1/3 HP**, this motor is small and lightweight, making it suitable for applications where space and weight are concerns (e.g., small pumps, fans, or appliances).

6. **Low Maintenance** Split-phase motors are generally low-maintenance, with fewer moving parts compared to more complex motor types (e.g., wound rotor or VFD-controlled motors). They typically require only basic upkeep, such as lubrication of bearings if applicable.

7. **Cost-Effective for Light-Duty Use** For applications requiring **low horsepower (1/3 HP)**, this motor provides a balance between performance and affordability. It is often cheaper than premium or high-efficiency motors while still delivering adequate power for small-scale tasks.

8. **Wide Compatibility** Due to its standard specifications, this motor can be used in a variety of applications, including:

- Small **air handlers** or **furnace blowers**

- **Pumps** (e.g., water pumps, irrigation systems)

- **Fans** (e.g., exhaust fans, attic vents)

- **Appliances** (e.g., laundry machines, small compressors)

- **Industrial machinery** (e.g., conveyors, mixers)

9. **Easy to Replace** If this motor fails, replacing it is straightforward due to its common specifications. Many aftermarket suppliers carry compatible replacements, and installation is often a simple plug-and-play process.

10. **No Specialized Controls Needed** Unlike motors requiring **VFDs (Variable Frequency Drives)** or **soft starters**, this split-phase motor can be connected directly to a standard electrical outlet or circuit breaker, reducing installation complexity.

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#### **Cons:**

1. **Lower Efficiency Compared to Premium Motors** Standard split-phase motors are not as energy-efficient as **NEMA Premium** or **IE3/IE4** motors. If energy savings are a priority, a higher-efficiency motor may be more cost-effective in the long run despite a higher upfront cost.

2. **Limited Speed Control Options** This motor runs at a **fixed speed (1750 RPM)** and lacks built-in variable speed capabilities. If adjustable speed is required, an external **VFD** would need to be added, increasing system complexity and cost.

3. **Shorter Lifespan Under Heavy Loads** While durable for light to moderate duty cycles, continuous heavy loads or extreme operating conditions (e.g., high ambient temperatures, dust, or moisture) can reduce its lifespan. For demanding applications, a **higher-quality or NEMA-rated motor** may be necessary.

4. **Potential for Higher Noise and Vibration** Split-phase motors can sometimes produce more **mechanical noise and vibration** compared to premium or brushless motors. This may be noticeable in sensitive applications (e.g., cleanrooms, offices, or residential settings).

5. **Limited Overload Protection** Without additional safeguards (e.g., thermal overload relays), this motor lacks built-in protection against **overloading, short circuits, or phase loss**. Proper circuit protection (e.g., fuses or breakers) is essential but not always included in the motor itself.

6. **Not Ideal for High-Starting Torque Applications** While split-phase motors are self-starting, they may struggle with **high-inertia loads** (e.g., pumps filling with liquid, compressors against high pressure). In such cases, a **shaded-pole, capacitor-start, or permanent split-capacitor motor** might perform better.

7. **Potential for Longer Start-Up Times** Compared to motors with **capacitor-start or permanent split-capacitor designs**, this split-phase motor may take slightly longer to reach full speed, which could be a drawback in applications requiring rapid cycling.

8. **Limited Customization** Unlike **custom-wound or premium motors**, this is a standard off-the-shelf model with fixed specifications. If exact performance requirements (e.g., torque, efficiency, or environmental resistance) are critical, a specialized motor may be needed.

9. **Depreciation Over Time** If energy costs rise or regulations favor higher-efficiency motors, a standard split-phase motor may become less cost-effective in the long term compared to investing in a more efficient model upfront.

10. **Potential Compatibility Issues with Modern Systems** Some newer **smart home or industrial systems** may require motors with **digital communication capabilities** (e.g., for energy monitoring or remote control). This motor lacks such features, limiting its use in advanced automation setups.

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### **Conclusion and Recommendation**

The **Dunlap 6759 (1/3 HP, 1750 RPM, 115V, 1-Phase, Dual Shaft Split Phase)** is a **practical, cost-effective choice** for **light-duty applications** where simplicity, reliability, and ease of installation are priorities. It excels in scenarios such as:

- **Small HVAC systems** (e.g., attic fans, exhaust blowers)

- **Light-duty pumps** (e.g., irrigation, dewatering)

- **Appliances** (e.g., laundry machines, small compressors)

- **Industrial machinery** where space is limited and frequent cycling occurs

#### **When to Choose This Motor:**

You need a **budget-friendly, no-frills solution** for a low-power application.

The motor will operate in **moderate conditions** (not extreme heat, dust, or moisture).

You require **self-starting capability** without additional controls.

The application does **not** require variable speed or high efficiency.

#### **When to Consider an Alternative:**

If **energy efficiency** is a priority (consider a **NEMA Premium or IE3 motor**).

If **variable speed control** is needed (requires a **VFD-compatible motor**).

For **high-torque or high-inertia loads** (a **capacitor-start or shaded-pole motor** may perform better).

In **harsh environments** (extreme temperatures, corrosive conditions) where a **NEMA or explosion-proof motor** is necessary.

If **long-term cost savings** are a concern (a slightly more expensive but efficient motor may pay off over time).

#### **Final Recommendation:** - **Buy the Dunlap 6759 if:**

- You are working on a **small-scale, low-cost project** where reliability and simplicity are key.

- The motor will be used in **standard conditions** without extreme demands.

- You prefer a **plug-and-play solution** without needing advanced controls.

- **Avoid or upgrade to a better motor if:**

- You anticipate **high energy costs** over time (opt for a higher-efficiency model).

- The application requires **variable speed or precise torque control**.

- The motor will operate in **harsh or demanding environments**.

- You need **long-term durability** and are willing to invest slightly more upfront for better performance.

For most **casual or light-commercial use**, this motor is a **solid, functional choice**. However, for **performance-critical or energy-conscious applications**, exploring **premium or VFD-compatible motors** may be worth the additional cost.

Details:

Tested works .no cord lower 48 only.has dent on back looks repainted.

part #: 6759 price

  • $63.75

specifications oelemot:

  • brand: Dunlap
  • mpn: 6759
  • model: 115 6759
  • part type: Motor Shaft
  • rated load: Hp
  • current type: Ac
  • nominal rated input voltage: 110 V, 115 V, 120 V
  • shaft diameter: 1/2 In
  • ac phase: Single Phase

returns oelemot:

  • policy: No Returns

offer oelemot:

  • availability: In Stock
  • options: Ship-to-home
  • quantity: 1
  • sold: 0
  • started: March 3, 2026
  • best offers: True

seller oelemot:

  • # reviews: 2307
  • city: Stratford, New Jersey
  • rating: 99.3%

payments oelemot:

  • other
  • wallet: Paypal
  • credit card: Visa

shipping oelemot:

  • cost: $35.00
  • service: USPS Ground Advantage
  • transit: 4-11 Days
  • type: Fixed
  • carrier: USPS
  • class: Standard

general oelemot:

  • condition: Used
  • Industrial Automation Motion Controls > Electric Motors > General Purpose Motors
part type: motor shaft, rated load: hp, current type: ac, nominal rated input voltage: 110 v, 115 v, 120 v, shaft diameter: 1/2 in, ac phase: single phase,
category: business & industrial > industrial automation motion controls > electric > general purpose, sku: 20696299853395762,
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1 offer $63.75 USD
  • Used. Offer #1 priced at $63.75 + $35.00 shipping estimate = $98.75* total. +$35.00 shipping

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