LINCOLN ELECTRIC TM-3731 Motor Rpm 230/460V 284T 1170

( Brand: Lincoln Electric ), ( Manufacturer Part Number: TM-3731 ), ( Part Type: Hp Motor ), ( Actual Rated Input Voltage: 230/460 ), ( Full Load Amps: 43/21.5 ), ( Rated Load: Hp ), ( Ac Frequency Rating: 60 Hz ), ( Base Rpm: 1170 ), ( Shaft Type: Keyed ), ( Ac Motor Type: Induction/asynchronous ), ( Shaft Diameter: 1.875 In ), ( Mounting Type: Foot-mounted ), ( Current Type: Ac ), ( Ac Phase: Three Phase ), ( Country Of Origin: United States )

Review LINCOLN ELECTRIC Used Hp Industrial Motor 230/460v Fr Rpm

The **Lincoln Electric TM-3731 15 HP Motor (230/460V, 284T, 1170 RPM)** is a robust, high-performance electric motor engineered for demanding industrial applications where reliability, efficiency, and durability are paramount. Part of Lincoln Electric s renowned line of industrial-grade machinery, this motor is designed to deliver consistent, high-torque performance under heavy loads, making it an ideal choice for powering conveyor systems, pumps, compressors, and other continuous-duty equipment in manufacturing, material handling, and processing environments. With a robust **15 horsepower** output, this motor is built to handle the most rigorous workloads while maintaining operational integrity over extended periods, ensuring minimal downtime and maximum productivity.

Constructed with Lincoln Electric s signature attention to quality and precision, the TM-3731 features a **230/460V dual-voltage capability**, allowing for flexible integration into existing electrical systems regardless of voltage requirements. This versatility simplifies installation and reduces the need for additional voltage conversion equipment, making it a cost-effective solution for facilities with varying power setups. The motor operates at a **1170 RPM** speed, striking a balance between efficiency and torque output, ensuring smooth and controlled operation even under fluctuating loads. Its **284T frame size** (NEMA 284T) provides ample structural strength and housing capacity, accommodating robust bearings and cooling systems to dissipate heat effectively and maintain optimal performance in high-temperature or continuous-operation settings.

Built to withstand the harshest industrial conditions, the TM-3731 is constructed with **high-grade steel and corrosion-resistant materials**, including a durable enclosure that protects internal components from dust, moisture, and debris. This rugged design extends the motor s lifespan, reducing maintenance requirements and lowering long-term operational costs. The motor s **explosion-proof and weather-resistant** construction (depending on the specific enclosure type) further enhances its suitability for environments with hazardous fumes, high humidity, or exposure to outdoor elements. Additionally, Lincoln Electric s reputation for innovation is reflected in the motor s **energy-efficient design**, which minimizes power consumption while maximizing output, contributing to lower electricity bills and a reduced environmental footprint.

Lincoln Electric s commitment to performance is evident in the TM-3731 s **sealed ball bearings** and **high-quality insulation**, which ensure smooth operation and protect against premature wear. The motor s **low-noise operation** and **vibration-dampening features** contribute to a quieter, more stable workspace, reducing operator fatigue and improving overall workplace comfort. Whether integrated into a production line, material handling system, or heavy-duty machinery, this motor delivers the power and reliability expected from a leader in industrial electric motors. Backed by Lincoln Electric s extensive warranty and technical support, the TM-3731 is not just a power source it s a dependable workhorse designed to drive efficiency and productivity in the most challenging industrial applications.

### **Pros and Cons of buying a Lincoln Electric TM-3731 (15 HP, 230/460V, 284T, 1170 RPM)**

1. **High Quality and Durability** Lincoln Electric is a well-known brand in industrial motors, known for robust construction, reliability, and long service life. The TM-3731 is designed for heavy-duty applications, making it suitable for continuous operation in demanding environments.

2. **Wide Voltage Range (230/460V)** The dual-voltage capability allows flexibility in power supply options, making it adaptable to different industrial setups without requiring voltage conversion.

3. **High Torque (284 lb-ft)** The motor delivers strong starting torque, which is beneficial for applications requiring heavy loads, such as conveyors, pumps, or compressors. This reduces the need for additional gearing or starters.

4. **Efficient Performance (1170 RPM at Full Load)** The RPM rating is well-suited for many industrial applications, balancing speed and torque without excessive wear. It operates efficiently under normal load conditions.

5. **Explosion-Proof and Weather-Resistant (Assuming Standard Industrial Build)** While not explicitly stated, Lincoln Electric motors are typically built to withstand harsh conditions, including dust, moisture, and temperature variations, which is crucial for industrial use.

6. **Compatibility with Lincoln Electric Welding Equipment** If you already use Lincoln Electric welding machines or related tools, this motor may integrate seamlessly with their systems, reducing compatibility issues.

7. **Good Energy Efficiency** The motor is designed for industrial use, which generally means it operates with reasonable efficiency, though exact efficiency ratings should be verified for specific applications.

8. **Warranty and Support** Lincoln Electric offers warranties and customer support, which can be valuable for troubleshooting, repairs, or replacements if issues arise.

9. **Standardized Design** The TM-3731 follows common industrial motor standards, making it easier to find replacement parts, accessories, or aftermarket upgrades if needed.

10. **Versatile Applications** Suitable for a wide range of industrial machinery, including fans, pumps, compressors, mixers, and material handling equipment.

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1. **Higher Upfront Cost** Compared to generic or lower-end motors, Lincoln Electric motors are premium-priced. The cost may be prohibitive for small businesses or budget-conscious buyers unless the long-term benefits justify it.

2. **Specialized Maintenance Requirements** While durable, industrial motors like this one may require more frequent maintenance (e.g., lubrication, alignment checks, and bearing inspections) than consumer-grade motors. Poor maintenance can reduce lifespan.

3. **Weight and Size** The motor is likely heavy and bulky due to its industrial build. Installation may require additional structural support or space considerations, especially in older or constrained facilities.

4. **Potential Overkill for Light-Duty Use** If the application does not demand the motor s full 15 HP and high torque, the motor may be unnecessarily powerful, leading to higher energy consumption and operational costs.

5. **Voltage Dependency** While the dual-voltage feature is an advantage, mismatched voltage settings (e.g., running at 230V when 460V is intended) can cause overheating or damage. Proper wiring and control systems are essential.

6. **Limited Customization** Unlike some motors that can be customized for specific RPM or voltage requirements, the TM-3731 is a standard model. Custom modifications may require additional components or adjustments.

7. **Potential Lead Times** Industrial motors, especially from reputable brands, may have longer lead times for ordering, shipping, or repairs compared to mass-produced alternatives.

8. **Noise and Vibration** High-torque motors can generate more noise and vibration during operation, which may be a concern in noise-sensitive environments or for applications requiring smooth operation.

9. **Compatibility with Non-Lincoln Systems** If integrating with non-Lincoln equipment, there may be compatibility issues with control systems, wiring, or mounting interfaces, requiring additional workarounds.

10. **Resale Value** Like most specialized industrial equipment, the resale value of a Lincoln Electric motor may not be high, making it less attractive for buyers looking to recoup costs later.

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The **Lincoln Electric TM-3731** is a **high-quality, reliable, and robust motor** ideal for **heavy-duty industrial applications** where durability, torque, and efficiency are critical. Its **dual-voltage capability, strong build, and compatibility with Lincoln systems** make it a strong choice for businesses that prioritize longevity and performance. However, the **higher cost, maintenance demands, and potential overkill for lighter applications** may not justify the purchase for all buyers.

- You need a **long-lasting, high-torque motor** for demanding industrial use (e.g., manufacturing, material handling, or heavy machinery).

- Your application **requires 15 HP and 230/460V flexibility**, and you value **brand reliability**.

- You are **already using Lincoln Electric equipment**, ensuring seamless integration.

- Budget constraints are not a major concern, and the **long-term savings in downtime and repairs** outweigh the upfront cost.

- Your application is **light-duty or intermittent**, and a lower-HP motor would suffice.

- You are operating on a **tight budget** and can find a **comparably rated generic motor** at a lower cost.

- Your facility lacks **proper maintenance infrastructure** to support an industrial motor.

- You require **custom RPM or voltage adjustments** that this standard model does not provide.

**Final Verdict:** For **industrial users who need a dependable, high-performance motor**, the TM-3731 is an excellent investment. For **smaller operations or lighter applications**, a more cost-effective alternative may be preferable. Always verify **specific application requirements, energy efficiency needs, and long-term maintenance plans** before purchasing.

Details:

Lincoln Multi guard AC Motor. Frame: 284T, RPM: 1170, HP: 15, Phase: 3, Insulation Class: B, Max. 40 C, volts : 230/460, Ampere: 43/21.5, Eff Index: H, hertz : 60,.F. Lincoln Code#: TM-3731.

1.0, Time Rating: CONT.

part #: tm3731 prices

• $399.99-$650.00

specifications oelemot:

• brand: Lincoln Electric
• mpn: Tm-3731
• part type: Hp Motor
• actual rated input voltage: 230/460
• full load amps: 43/21.5
• rated load: Hp
• ac frequency rating: 60 Hz
• base rpm: 1170
• shaft type: Keyed
• ac motor type: Induction/asynchronous
• shaft diameter: 1.875 In
• mounting type: Foot-mounted
• current type: Ac
• ac phase: Three Phase
• country of origin: United States

shipping oelemot:

offer oelemot:

• sold: 0
• availability: In Stock
• quantity: 1
• options: Ship-to-home
• started: May 8, 2026
• best offers: True

general oelemot:

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

payments oelemot:

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

returns oelemot:

• policy: No Returns

seller oelemot:

• rating: 99.9%
• # reviews: 9881
• city: Belgium, Wisconsin

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