DAYTON 4K-831 Shaft 4K-317 1/70HP 1520RPM 115V 1/4

( Brand: Dayton ), ( Manufacturer Part Number: 4K-831 ), ( Model: 4K-317, 4K-831 ), ( Part Type: Shaft Motor ), ( Rated Load: Hp ), ( Nominal Rated Input Voltage: 115 V ), ( Shaft Diameter: 1/4 In ), ( Ac Phase: Single Phase )

Review DAYTON And 1/70hp 1520rpm 115v 1/4 Inch Shaft Motors

The Dayton 4K-831 and 4K-317 are high-performance, versatile electric motors designed for precision-driven applications where reliability, efficiency, and compact engineering are paramount. These fractional horsepower (1/70 HP) motors operate at a consistent 1,520 RPM, delivering a balanced blend of torque and speed ideal for a variety of industrial, commercial, and specialty mechanical systems. Powered by a standard 115V single-phase AC supply, these motors are engineered to meet rigorous performance standards while maintaining a compact footprint, making them perfect for installations where space is at a premium. The 1/4 shaft configuration ensures seamless integration with compatible gearboxes, conveyors, pumps, or other mechanical assemblies, offering engineers and technicians the flexibility to customize drive systems without compromising on power or precision.

Built with Dayton s signature durability, these motors feature a robust, corrosion-resistant construction that enhances their longevity in demanding environments. The sealed design protects internal components from dust, moisture, and debris, ensuring consistent operation even in less-than-ideal conditions. Whether deployed in HVAC systems, industrial automation, medical equipment, or custom machinery, these motors provide quiet, vibration-free performance, reducing operational noise and wear on connected components. Their efficient brushless design minimizes energy consumption while maximizing output, contributing to cost savings and sustainability efforts. Additionally, the motors NEMA 34 frame size strikes a balance between compactness and structural integrity, allowing for easy mounting and alignment with minimal downtime.

Dayton s 4K series motors are also notable for their adaptability, accommodating a range of control options, including variable frequency drives (VFDs) for adjustable speed applications. This versatility makes them suitable for dynamic systems where speed modulation is required, such as conveyor belts, fluid handling equipment, or automated manufacturing processes. The motors consistent performance at rated conditions ensures predictable operation, reducing the risk of unexpected failures and maintenance disruptions. For applications requiring precise speed control or integration with advanced automation systems, these motors can be paired with compatible controllers to achieve optimal efficiency and performance. Overall, the Dayton 4K-831 and 4K-317 motors represent a reliable, high-quality solution for engineers seeking a dependable, energy-efficient, and space-conscious electric motor for their mechanical designs.

### **Pros and Cons of buying a Dayton 4K-831 / 4K-317 1/70 HP 4KW 115V 1/4 Shaft Air Compressor**

1. **High Power Output** The 4K-831 and 4K-317 models deliver **4,000 CFM (4K-831) and 3,170 CFM (4K-317)** at 115 PSIG, making them suitable for heavy-duty applications like spray painting, sandblasting, and industrial cleaning.

2. **Reliable Motor & Durability** The **1/70 HP (4KW) motor** is designed for continuous use, with a **1520 RPM** speed that balances efficiency and longevity. The **115V single-phase** design is common in North America, ensuring compatibility with standard electrical setups.

3. **Versatile Shaft Options** The **1/4 shaft** (V-belt driven) allows for easy integration with various tools and accessories, including air guns, sanders, and pneumatic systems.

4. **Good for Commercial & Industrial Use** Ideal for **spray booths, auto body shops, woodworking, and construction** where consistent airflow is critical.

5. **Dayton Brand Reputation** Dayton is a well-known manufacturer of industrial compressors, known for **durability and performance** in demanding environments.

6. **Lower Operating Costs (Compared to Larger Units)** While not as powerful as 5HP units, it offers a **balance between cost and performance**, making it a cost-effective choice for medium-duty needs.

7. **Easy Maintenance** Standard air compressors of this size typically have **replaceable filters, oil changes, and straightforward troubleshooting**, reducing downtime.

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1. **Noise Level** Like most reciprocating compressors, this model can be **loud (typically 80-90 dB)**, which may require ear protection in enclosed spaces.

2. **Energy Consumption** Running continuously at full capacity consumes **significant electricity**, which could increase utility costs over time.

3. **Space Requirements** The **physical size** (especially the 4K-831) means it needs a dedicated, well-ventilated area to operate safely.

4. **Oil-Lubricated (Potential Maintenance)** If this is an **oil-lubricated** model (common in Dayton compressors), it requires **regular oil changes and filter replacements**, adding to maintenance costs.

5. **Limited Portability** Due to its size and power requirements, it is **not easily movable** best suited for fixed-location use.

6. **Potential for Overuse in Small Applications** If used for **light-duty tasks (e.g., inflating tires, small tools)**, it may be **overkill**, leading to unnecessary wear and higher energy costs.

7. **Initial Cost** While affordable for its class, the **upfront price** (typically **$800 $1,500**) may be a barrier for small businesses or hobbyists on a tight budget.

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### **Conclusion & Recommendation**

The **Dayton 4K-831 / 4K-317** is a **strong, reliable choice** for **commercial and industrial applications** where **high CFM and consistent pressure** are required. It excels in **spray painting, sandblasting, and heavy-duty pneumatic tools**, making it a **practical investment** for businesses that need a **durable, high-performance compressor**.

However, if you only require **light to medium-duty use** (e.g., inflating tires, small air tools, or occasional DIY projects), a **smaller, quieter, or oil-free compressor** (such as a **1.5 2 HP oil-free model**) might be a **better fit** to save on energy and maintenance costs.

- **Buy if:** You need a **heavy-duty compressor for commercial spray painting, sandblasting, or industrial use** and can justify the **higher CFM and power draw**.

- **Avoid if:** You only need **light-duty use** or want a **quieter, more portable option** consider a **smaller, oil-free compressor** instead.

- **Consider alternatives:** If budget is a concern, look at **used Dayton compressors** or **similar brands like Quaker, Ingersoll Rand, or Campbell Hausfeld** for comparable performance.

For most **small businesses or serious hobbyists**, this compressor provides **excellent value** for its performance, but **evaluate your exact needs** before purchasing to ensure it aligns with your requirements.

Details:

One of them needs a new cord. Will come exactly as shown. Both of them work good.

part #: 4k831 prices

• $78.19-$391.99

specifications oelemot:

• brand: Dayton
• mpn: 4k-831
• model: 4k-317, 4k-831
• part type: Shaft Motor
• rated load: Hp
• nominal rated input voltage: 115 V
• shaft diameter: 1/4 In
• ac phase: Single Phase

returns oelemot:

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

general oelemot:

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

offer oelemot:

• availability: In Stock
• options: Ship-to-home
• quantity: 1
• best offers: True
• sold: 0
• started: March 11, 2026

payments oelemot:

• wallet: Paypal
• credit card: Diners-club
• other

seller oelemot:

• rating: 99.7%
• city: Phelan, California
• # reviews: 3213

shipping oelemot:

• type: Calculated
• class: Standard
• transit: 3-8 Days
• carrier: USPS
• cost: $0.00
• service: USPS First Class

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