DAYTON 5-3K201B Rpm Reversible Motor Shaft Atlas Lathe 1725 1/4HP 5/8 115/230 6FTFT

( Brand: Dayton ), ( Manufacturer Part Number: 5-3K201B ), ( Part Type: Motor Shaft Lathe ), ( Actual Rated Input Voltage: 115/230 ), ( Nema Design Letter: General Purpose ), ( Ac Frequency Rating: 60 Hz ), ( Base Rpm: 1725 ), ( Shaft Type: Keyed ), ( Ac Motor Type: Induction/asynchronous ), ( Shaft Diameter: 5/8 In ), ( Reversible/non-reversible: Reversible ), ( Current Type: Ac ), ( Nominal Rated Input Voltage: 110 V, 115 V ), ( Ac Phase: Single Phase ), ( Country Of Origin: United States )

Review DAYTON Rpm 1/4hp Reversible Motor 5/8 Inch Shaft 115/230 From 6ftft Atlas Lathe

The **Dayton 5-3K201B** is a robust, high-performance **1/4 horsepower reversible AC motor** designed to deliver reliable, efficient power for a wide range of industrial and workshop applications, including its integration with **Atlas lathe setups** and other precision machinery. Engineered with durability in mind, this motor operates at a consistent **1725 RPM**, providing a balanced speed suitable for smooth, controlled cutting, grinding, or lathe operations without excessive vibration or wear. Its **reversible design** allows for flexible operation, enabling forward and reverse motion with ease, which is particularly advantageous for applications requiring bidirectional movement, such as threading, facing, or reversing spindle direction on a lathe.

The motor features a **5/8-inch shaft**, offering a sturdy and standardized connection point that ensures compatibility with most standard gearboxes, pulleys, and lathe spindles, including those found on **Atlas lathe models**. This robust shaft design minimizes deflection under load, contributing to improved accuracy and longevity in demanding machining tasks. Powered by a **single-phase, 115/230-volt** electrical system, the motor is versatile enough to operate in standard workshop environments while maintaining efficiency and reliability. The **6-foot power cord** provides ample reach, reducing the need for extension cords and ensuring a neat, organized workspace.

Built with **Dayton s reputation for quality engineering**, this motor incorporates a **permanent split-capacitor (PSC) design**, which enhances starting torque and efficiency while reducing energy consumption. The compact yet sturdy construction ensures it fits seamlessly into tight spaces, making it an ideal choice for both dedicated machine setups and portable applications. Whether used as the primary drive for an **Atlas lathe** or integrated into other power tools and machinery, the **Dayton 5-3K201B** delivers consistent performance, durability, and ease of use, making it a dependable workhorse for professionals and hobbyists alike. Its combination of **reversibility, precise RPM, and robust shaft design** ensures it meets the demands of precision machining with reliability and efficiency.

### **Pros and Cons of buying a Dayton 5-3K201B (1/4 HP, Reversible, 1725 RPM, 1/4" Shaft, 115/230V, 6-Ft Lead) for an Atlas Lathe**

#### **Pros**

1. **Reliable Brand Reputation** Dayton is a well-known manufacturer of industrial motors, known for durability and consistent performance in machining applications. Their motors are often used in CNC and manual lathes, making this a trusted choice.

2. **Reversible Operation** The ability to reverse the motor is useful for certain lathe operations, such as threading or back-cutting, where direction changes are necessary. This eliminates the need for additional gearing or mechanical reversals.

3. **Standard Voltage Compatibility** The motor operates on both **115V and 230V**, making it versatile for different workshop setups without requiring a voltage converter. This is particularly useful if you plan to use the lathe in multiple locations or upgrade equipment later.

4. **Direct Drive Capability** The **1725 RPM** speed is suitable for many lathe applications, especially on smaller to mid-sized Atlas lathes. It provides enough torque for basic turning, facing, and light threading without requiring excessive gear reduction.

5. **1/4" Shaft Size** The **5/8" shaft** (likely referring to the mounting flange or output shaft size) is standard for many small-to-medium lathes, ensuring compatibility with the Atlas lathe s spindle or pulley system. A **1/4" shaft** (if referring to the motor s output shaft) may require a coupling or adapter, but this is common in industrial motors.

6. **6-Foot Lead Wire** The included **6-foot cord** provides flexibility in positioning the motor relative to the lathe, reducing strain on the wiring and allowing for easier installation.

7. **Cost-Effective Replacement** If your Atlas lathe s original motor is failing, this is a **budget-friendly alternative** to OEM parts, often at a fraction of the cost while maintaining similar performance.

8. **Easy Installation** Dayton motors are designed for straightforward mounting, and the **flanged output** makes it easier to connect to the lathe s spindle or gearbox without complex modifications.

9. **Good Torque for Light-Duty Work** At **1/4 HP**, this motor is sufficient for **light to medium-duty turning, drilling, and small-scale metalworking**. It won t handle heavy stock or high-speed machining but is adequate for hobbyists and small workshops.

10. **Long Lifespan with Proper Maintenance** With basic care (lubrication, cleanliness, and avoiding overload), Dayton motors are known to last **decades**, making this a long-term investment.

---

#### **Cons**

- Turning **large-diameter stock** (e.g., 4" or thicker).

- Machining **hard metals** (e.g., stainless steel, titanium) without excessive heat buildup.

- Driving **heavily loaded gearboxes** or **high-speed spindles** without overheating.

If your Atlas lathe requires more power, you may need a **1/2 HP or 3/4 HP motor** instead.

2. **Potential Speed Limitations** While **1725 RPM is adequate for many tasks**, some operations (e.g., high-speed facing or fine threading) may require **higher RPMs**, necessitating additional gearing or a different motor.

3. **No Built-In Overload Protection** Unlike some commercial motors, this model **does not come with thermal overload protection**, meaning it relies on the lathe s circuit breaker or external protection. Overloading can lead to **burned windings** if not monitored.

4. **Shaft Compatibility Issues** If the **1/4" output shaft** does not match the Atlas lathe s spindle **exactly**, you may need a **coupling, pulley, or adapter**, adding extra cost and potential maintenance.

5. **Noise and Vibration** Some users report that **small industrial motors can be louder and vibrate more** than dedicated lathe spindles, which may be noticeable in a quiet workshop.

6. **No Built-In Bearing Lubrication System** Unlike some high-end lathe spindles, this motor **does not have automatic lubrication**, meaning you ll need to **manually grease bearings periodically** to prevent wear.

7. **Single-Speed Operation** While reversible, the motor runs at a **fixed speed (1725 RPM)**, so you **cannot adjust RPMs** for different cutting speeds. This may require **gear changes** or a **variable frequency drive (VFD)** for optimal performance.

8. **Potential Compatibility Concerns** The **Atlas lathe s original motor specifications** (e.g., shaft size, mounting pattern, or electrical requirements) must be verified. If the motor s **flange or wiring** does not match, modifications may be needed.

9. **No Warranty on Used/Refurbished Units** If purchasing from a third-party seller, check if the motor comes with a **warranty or return policy**. Dayton motors are durable, but defects can occur.

10. **Heat Dissipation in Enclosed Spaces** If installed in a **closed lathe housing**, the motor may **overheat** if not properly ventilated. Ensure adequate airflow to prevent premature failure.

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### **Conclusion**

The **Dayton 5-3K201B motor** is a **solid, budget-friendly choice** for an **Atlas lathe** if your machining needs are **light to moderate**. It offers **reversibility, dual-voltage compatibility, and reliable performance** for basic turning, drilling, and small-scale work. However, it **lacks the power and precision** required for **heavy-duty or high-speed operations**, making it less ideal for professional or industrial use.

If your Atlas lathe is **primarily used for hobbyist projects, small metalwork, or light machining**, this motor is a **good investment** due to its **durability, ease of installation, and cost-effectiveness**. However, if you frequently work with **large stock, hard metals, or require variable speeds**, you may need to **upgrade to a higher HP motor or consider a dedicated lathe spindle**.

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### **Recommendation**

- Your Atlas lathe is **used for light to medium-duty work** (e.g., wood, soft metals, small turning jobs).

- You **do not need high RPMs or heavy torque**.

- You **prefer a reliable, off-the-shelf motor** at a lower cost than OEM parts.

- You are **willing to add a coupling or pulley** if shaft compatibility is an issue.

- You work with **large-diameter stock or hard metals** (opt for a **1/2 HP or 3/4 HP motor**).

- You need **variable speed control** (consider a **VFD-compatible motor**).

- Your lathe requires **precise, low-vibration performance** (a **dedicated lathe spindle** may be better).

- You want **built-in overload protection** (some higher-end motors include this).

- **Verify shaft and mounting compatibility** with your Atlas lathe before purchasing.

- **Check for a warranty or return policy**, especially if buying from a third party.

- **Ensure proper ventilation** if installing in an enclosed lathe housing.

- **Monitor motor temperature** during prolonged use to prevent overheating.

**Final Verdict:** The Dayton 5-3K201B is a **decent, practical motor for small-scale lathe work**, but it is **not ideal for heavy-duty applications**. If your needs align with its capabilities, it is a **reliable and cost-effective upgrade**. Otherwise, consider a more powerful or specialized motor.

Details:

THE ORIGINAL CORDT WAS DAMMEGED, SO I HAD TO REPLACE IT WITH ANOTHER USED ONE THIS IS ABOUT 11' LONG, BUT YOU CAN MAKE SMALLER. I charge what it costs me-nothing extra. IT CAME OFF ATLAS 6'' LATHE 618. THE MOTOR IS WIRED FOR 115 volts , BUT CAN BE CHANGED TO 230 volts .

FOR SALE IS A DAYTON REVERSIBLE ELECTRIC 1725 RPM 1/4 HP MOTOR, model 3K201B 5/8 Shaft 115/230 V IN VERY GOOD WORKING CONDITION.

part #: 53k201b prices

• $79.00-$333.99

specifications oelemot:

• brand: Dayton
• mpn: 5-3k201b
• part type: Motor Shaft Lathe
• actual rated input voltage: 115/230
• nema design letter: General Purpose
• ac frequency rating: 60 Hz
• base rpm: 1725
• shaft type: Keyed
• ac motor type: Induction/asynchronous
• shaft diameter: 5/8 In
• reversible/non-reversible: Reversible
• current type: Ac
• nominal rated input voltage: 110 V, 115 V
• ac phase: Single Phase
• country of origin: United States

general oelemot:

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

returns oelemot:

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

offer oelemot:

• options: Ship-to-home
• sold: 0
• availability: In Stock
• quantity: 1
• started: May 5, 2026

seller oelemot:

• city: Jupiter, Florida
• rating: 100.0%
• # reviews: 1525

shipping oelemot:

• carrier: USPS, UPS, FedEx
• cost: $17.86
• class: Standard
• transit: 4-10 Days
• type: Calculated
• service: USPS Ground Advantage, UPS Ground, FedEx Ground / FedEx Home Delivery

payments oelemot:

• credit card: Mastercard
• other
• wallet: Paypal

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