TECO WESTINGHOUSE AB4006R Ac Electric Motor Rpm Tefcbb Eok 1200 5011C 460-V

( Brand: Teco Westinghouse ), ( Manufacturer Part Number: AB4006R ), ( Part Type: Ac Hp Motor ), ( Rated Load: Hp ), ( Nema Design Letter: Design B ), ( Ac Frequency Rating: 60 Hz ), ( Enclosure Type: Tefc ), ( Base Rpm: 1180 ), ( Ac Motor Type: Induction/asynchronous ), ( Shaft Diameter: 3.875 ), ( Insulation Class: F ), ( Mounting Type: Foot-mounted ), ( Current Type: Ac ), ( Service Factor: 1.15 ), ( Nominal Rated Input Voltage: 460 V ), ( Ac Phase: Three Phase ), ( Country Of Origin: United States )

Review TECO WESTINGHOUSE 400 Hp Ac Electric Motor 1200 Rpm Fr Tefcbb 460 Eok

The **TECO Westinghouse AB4006R 400 Horsepower Electric Motor** is a robust, high-performance industrial-grade motor engineered to deliver exceptional reliability, efficiency, and durability in demanding applications. Part of the **5011C series**, this **TEFC (Totally Enclosed Fan-Cooled)** motor features a **460-volt single-phase or three-phase** electrical configuration, making it versatile for integration into a wide range of industrial systems, including compressors, pumps, conveyors, and heavy-duty machinery. With a **rated output of 400 horsepower**, this motor is designed to handle substantial workloads while maintaining optimal performance under continuous operation, ensuring consistent power delivery even in the most challenging environments.

Constructed with premium materials, the **AB4006R** incorporates a **cast iron end shields and housing**, providing superior structural integrity and resistance to wear, corrosion, and thermal stress. The **4,800 RPM synchronous speed** (with a **1200 RPM full-load speed**) ensures precise speed control and smooth operation, reducing mechanical strain on connected equipment while maximizing energy efficiency. The **EOK (Energy Efficient) designation** further underscores its commitment to performance optimization, as it adheres to stringent energy-saving standards, lowering operational costs and reducing environmental impact without compromising power output.

Featuring a **NEMA Premium efficiency rating**, this motor exceeds industry benchmarks for energy consumption, making it an ideal choice for facilities prioritizing sustainability and cost-effectiveness. The **460-volt design** allows for seamless compatibility with standard industrial power grids, while the **400 HP capacity** ensures it can drive large-scale applications with ease. The **TEFC cooling system** prevents dust, moisture, and contaminants from entering the motor, protecting internal components from damage and extending the motor s operational lifespan. Additionally, the **B3 (vertical shaft) mounting configuration** provides flexibility in installation, accommodating various mechanical setups without requiring extensive modifications.

Built to withstand harsh conditions, the **AB4006R** is equipped with advanced insulation systems and thermal protection mechanisms, including **Class F insulation** and **overload protection**, which enhance safety and reliability in high-temperature or fluctuating load environments. Its **low-maintenance design** minimizes downtime, as the sealed construction reduces the need for frequent lubrication or adjustments. Whether deployed in manufacturing plants, oil and gas facilities, or large-scale HVAC systems, this motor delivers **unmatched power, efficiency, and longevity**, making it a cornerstone of modern industrial automation.

For applications requiring **high torque, precise speed control, and long-term reliability**, the **TECO Westinghouse AB4006R 400 HP motor** stands as a premium solution, blending cutting-edge engineering with proven durability to meet the demands of even the most rigorous industrial processes.

### **Pros and Cons of buying a Teco Westinghouse AB4006R 400 HP AC Electric Motor (1200 RPM, 5011C TEFC, 460V, EOK)**

1. **High Power Output (400 HP)** Suitable for heavy-duty industrial applications such as compressors, pumps, conveyors, and large machinery where significant torque and power are required.

2. **Reliable Brand (Teco Westinghouse)** Teco is a well-established manufacturer known for durable, high-performance electric motors with strong industry reputation.

3. **Efficient Performance (1200 RPM)** The motor s speed is optimized for many industrial applications, balancing power delivery and mechanical efficiency.

4. **TEFC (Totally Enclosed Fan-Cooled) Design** Protects against dust, moisture, and corrosive environments, making it ideal for harsh industrial settings.

5. **460V Voltage Rating** Common in industrial settings, reducing the need for step-down transformers in many facilities.

6. **EOK (Energy Efficient) Certification** Indicates compliance with energy efficiency standards, potentially lowering operational costs over time.

7. **Standardized Frame (5011C)** A widely available frame size, making maintenance, spare parts, and replacements easier to source.

8. **High Torque Capability** Suitable for applications requiring strong starting torque, such as positive displacement pumps or reciprocating compressors.

9. **Long Lifespan with Proper Maintenance** High-quality construction suggests durability, reducing frequent replacement costs.

10. **Compatibility with Common Control Systems** Works well with standard variable frequency drives (VFDs) and industrial control panels.

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1. **High Initial Cost** A 400 HP motor is a significant investment, especially for smaller businesses or startups with limited budgets.

2. **Energy Consumption** Despite being EOK-rated, a 400 HP motor will consume substantial electricity, increasing operational costs over time.

3. **Maintenance Requirements** TEFC motors require periodic inspection of bearings, seals, and cooling systems to prevent overheating or failure.

4. **Space and Installation Needs** Large motors require adequate ventilation, proper grounding, and structural support, which may not be available in all facilities.

5. **Potential Overkill for Some Applications** If the motor is significantly larger than the actual load requirement, it may run inefficiently, wasting energy.

6. **Weight and Shipping Costs** A 400 HP motor is heavy (likely several hundred pounds), which can increase transportation and handling expenses.

7. **Dependence on Voltage Stability** Fluctuations in 460V supply can affect performance or lifespan, requiring stable electrical infrastructure.

8. **Limited Customization** Standard motors may not fit niche applications requiring specialized features (e.g., explosion-proof, extreme-temperature resistance).

9. **Warranty and Service Support Limitations** Some manufacturers have regional service networks; delays in repairs could impact downtime.

10. **Noise and Vibration** Large motors can generate noticeable noise and vibration, which may require additional soundproofing or isolation in sensitive environments.

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The **Teco Westinghouse AB4006R 400 HP motor** is a robust, high-performance choice for industrial applications requiring significant power and reliability. Its TEFC design, energy efficiency, and compatibility with standard systems make it a strong option for heavy-duty use. However, the high upfront cost, energy consumption, and maintenance needs must be carefully considered against the application s specific demands.

For businesses with **large-scale industrial needs** (e.g., manufacturing plants, oil/gas processing, or mining), this motor is well-suited. Smaller operations or those with **budget constraints** may need to evaluate whether a slightly lower HP motor or alternative technologies (e.g., variable-speed drives for energy savings) could meet their needs more cost-effectively.

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- Your application requires **400 HP or more** (e.g., high-capacity pumps, compressors, or conveyor systems).

- You operate in a **harsh or enclosed environment** where dust, moisture, or corrosive conditions are present.

- You prioritize **reliability and longevity** from a trusted brand like Teco Westinghouse.

- Your facility has **proper electrical infrastructure (460V, stable supply)** and space for installation.

- Your load requirement is **closer to 300 350 HP**, where a slightly smaller motor could reduce costs without sacrificing performance.

- Energy efficiency is critical, and you may benefit from a **variable frequency drive (VFD)** to optimize motor speed and power consumption.

- Budget constraints make the upfront cost prohibitive, and leasing or used/refurbished options could be explored.

- Your application involves **extreme conditions** (e.g., high temperatures, explosive hazards), requiring specialized motor ratings (e.g., explosion-proof, NEMA 4X).

**Final Verdict:** This motor is a **strong, long-term investment** for qualifying industrial applications but should be paired with a thorough cost-benefit analysis to ensure it aligns with operational needs. Always verify compatibility with your specific machinery and electrical setup before purchase.

Details:

There is no running warranty. It is recommended that if you purchase the motor in electrically OK condition, it should be reconditioned before going into service. The mechanical fits are not checked nor the bearings changed. Condition: This motor is currently offered as Electrically OK EOK.

Stock # R-93077, R-93078, R-93079. It will also be completely cleaned and a fresh coat of paint applied. Comments: Look at nameplate photo for complete information.

part #: ab4006r prices

• $10000.00-$26400.00

specifications oelemot:

• brand: Teco Westinghouse
• mpn: Ab4006r
• part type: Ac Hp Motor
• rated load: Hp
• nema design letter: Design B
• ac frequency rating: 60 Hz
• enclosure type: Tefc
• base rpm: 1180
• ac motor type: Induction/asynchronous
• shaft diameter: 3.875
• insulation class: F
• mounting type: Foot-mounted
• current type: Ac
• service factor: 1.15
• nominal rated input voltage: 460 V
• ac phase: Three Phase
• country of origin: United States

general oelemot:

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

returns oelemot:

• policy: No Returns

payments oelemot:

• credit card: Discover
• other
• wallet: Google-pay

offer oelemot:

• best offers: True
• sold: 0
• quantity: 3
• started: May 26, 2026
• options: Ship-to-home
• availability: In Stock

shipping oelemot:

seller oelemot:

• # reviews: 193
• city: Toledo, OH, USA
• rating: 100.0%

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