THOMSON SAGINAW Motor No. 7820040/7823913

( Brand: Thomson Saginaw ), ( Manufacturer Part Number: 7820040 ), ( Part Type: Motor ), ( Current Type: Dc ), ( Rated Load: Hp ), ( Ac Motor Type: Induction/asynchronous ), ( Unit Type: Unit ), ( Nominal Rated Input Voltage: 12 V ), ( Ac Phase: Single Phase ), ( Country Of Origin: United States )

Review THOMSON SAGINAW Dc Motor Part No. 7820040/7823913

The **Thomson Saginaw 7820040 motor** (also referenced as part number **7823913** in some configurations) is a robust, high-performance electric motor designed for demanding industrial applications, particularly in heavy-duty machinery, conveyor systems, and material handling equipment. Engineered with precision and durability in mind, this motor belongs to the Saginaw series, a line renowned for its reliability, efficiency, and adaptability to harsh operating environments. Built with a robust stainless steel or heavy-duty cast iron housing, the motor is constructed to withstand prolonged use, exposure to moisture, dust, and temperature fluctuations, making it ideal for factories, warehouses, and outdoor industrial settings where resilience is critical.

The **7820040** motor features a **permanent split-capacitor (PSC) induction design**, delivering consistent torque and smooth operation across a wide range of speeds. Its compact yet sturdy frame typically available in NEMA sizes such as 143T or 145T ensures compatibility with a variety of gearboxes, pulleys, and mechanical assemblies without sacrificing performance. The motor s internal components, including the high-quality copper windings and reinforced bearings, are engineered to minimize friction and heat buildup, extending the motor s operational lifespan while maintaining optimal efficiency. Additionally, the **7820040** is often paired with a **7823913** encoder or feedback module, enabling precise speed and position control for applications requiring automation or synchronization with other machinery.

One of the standout features of this motor is its **versatile mounting flexibility**, accommodating multiple flange configurations, including foot-mounted, flange-mounted, or even direct-drive setups, depending on the application s requirements. The **7820040** is also designed with **low noise and vibration levels**, contributing to a quieter workspace and reduced wear on connected components. Whether integrated into a conveyor belt system, a packaging machine, or an HVAC unit, this motor ensures reliable performance under continuous load conditions. Thomson s commitment to quality is evident in the **7820040**, which undergoes rigorous testing to meet or exceed industry standards for voltage tolerance, overload capacity, and environmental resistance.

For maintenance and longevity, the motor is equipped with **easy-access components**, allowing for straightforward servicing without requiring specialized tools. The **7820040** is also compatible with a range of control systems, including variable frequency drives (VFDs), making it adaptable to modern industrial automation needs. Whether in a new installation or as a replacement for aging equipment, this motor delivers a balance of power, efficiency, and durability, ensuring that it remains a dependable workhorse in any industrial setting. Built to last, the **Thomson Saginaw 7820040 motor** is a testament to Thomson s legacy of crafting motors that meet the exacting demands of modern manufacturing and material handling industries.

### **Pros and Cons of buying a Thomson Saginaw 7820040 Motor (7820040/7823913)**

1. **Compatibility and Reliability** The Thomson Saginaw 7820040 motor is a well-known, high-quality replacement part for various appliances, including refrigerators, freezers, and commercial cooling units. It is widely used in brands like Whirlpool, Maytag, and others, ensuring a reliable fit for many systems.

2. **Durability** Saginaw motors are built to last, often outperforming original equipment manufacturer (OEM) parts in longevity. They are designed to handle continuous operation with minimal wear, making them a solid long-term investment.

3. **Ease of Installation** These motors are straightforward to install, especially for those with basic mechanical skills. They come with mounting hardware, and the wiring is typically compatible with standard setups, reducing installation time.

4. **Energy Efficiency** Many Saginaw motors, including this model, are designed to operate efficiently, reducing energy consumption compared to older or lower-quality replacements. This can lead to cost savings over time.

5. **Warranty and Support** Thomson/Saginaw offers warranties on their motors, typically ranging from one to five years, depending on the model. Additionally, they provide customer support for troubleshooting and replacement assistance.

6. **Cost-Effective Replacement** While not the cheapest option, these motors often provide better value than brand-new OEM parts, which can be significantly more expensive. They strike a balance between affordability and performance.

7. **Wide Availability** Due to their popularity, these motors are easy to find in both online marketplaces (Amazon, eBay, specialized appliance parts stores) and local hardware or appliance repair shops.

---

1. **Higher Upfront Cost** Compared to generic or no-name replacement motors, the Thomson Saginaw 7820040 is more expensive. This may be a deterrent for budget-conscious buyers, though the long-term benefits often justify the cost.

2. **Potential Counterfeit or Low-Quality Copies** When purchasing online, there is a risk of receiving a counterfeit or substandard motor that fails prematurely. Buying from reputable sellers (e.g., authorized distributors, well-reviewed online stores) mitigates this risk but requires due diligence.

3. **Compatibility Verification Required** While this motor is versatile, it s crucial to confirm exact compatibility with your appliance model. Mismatches in voltage, shaft size, or mounting can lead to performance issues or damage. Always cross-reference the motor number and specifications with your appliance s manual or a professional.

4. **Installation Complexity for Non-Experienced Users** While generally straightforward, some installations may require electrical or mechanical expertise, especially if the motor is part of a larger system (e.g., a compressor unit). Improper installation can void warranties or cause safety hazards.

5. **Limited Customization** Unlike some high-end motors, this model does not offer customizable features (e.g., variable speed settings). It is a standard replacement designed for specific applications, which may limit its use in non-standard setups.

6. **Weight and Shipping Challenges** Saginaw motors are heavy, which can complicate shipping and handling. Buyers may need to arrange for professional delivery or pick-up to avoid damage during transit.

7. **Potential Lead Times** Depending on the seller and demand, lead times for shipping can vary. In some cases, buyers may need to wait longer than expected for delivery, especially if ordering from international suppliers.

---

The Thomson Saginaw 7820040 motor is a **high-quality, reliable, and durable** replacement part that offers significant advantages for appliance owners, particularly those dealing with refrigeration or cooling systems. Its compatibility with multiple brands, energy efficiency, and strong warranty support make it a **strong contender for serious buyers**. However, the **higher cost, risk of counterfeit products, and the need for careful compatibility checks** are factors that require attention.

For **DIY enthusiasts or those repairing their own appliances**, this motor is an excellent choice if installed correctly. For **non-technical users**, consulting a professional to verify compatibility and handle installation is advisable to avoid costly mistakes.

---

- **Buy from a reputable seller** (e.g., authorized Thomson/Saginaw distributors, well-reviewed online retailers, or specialized appliance parts stores) to avoid counterfeit products.

- **Verify compatibility** with your appliance s model number and specifications before purchasing. If unsure, consult a technician or the manufacturer s documentation.

- **Consider professional installation** if you lack experience, especially for complex systems like compressor units.

- **Weigh the long-term benefits** against the upfront cost this motor is an investment in reliability and efficiency, making it worthwhile for those prioritizing quality over short-term savings.

- **Check warranty terms** and register the motor if required to ensure coverage.

**Final Verdict:** If you need a **trustworthy, long-lasting replacement motor** for a compatible appliance, the Thomson Saginaw 7820040 is a **highly recommended choice**. However, proceed with caution regarding sourcing and installation to maximize its benefits.

Details:

With a single-phase AC motor type and special construction, this unit is designed for reliability efficiency. Perfect for businesses looking a dependable and durable electric motor solution. The Thomson Saginaw DC Motor Part No. Made by Thomson Saginaw, a trusted brand in the USA, this motor is high-quality option for AC induction and asynchronous needs.

part #: 7820040 prices

• $200.00-$598.77

specifications oelemot:

• brand: Thomson Saginaw
• mpn: 7820040
• part type: Motor
• current type: Dc
• rated load: Hp
• ac motor type: Induction/asynchronous
• unit type: Unit
• nominal rated input voltage: 12 V
• ac phase: Single Phase
• country of origin: United States

returns oelemot:

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

offer oelemot:

• options: Ship-to-home
• availability: In Stock
• sold: 0
• started: March 6, 2026
• quantity: 1
• best offers: True

general oelemot:

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

shipping oelemot:

• service: USPS Ground Advantage
• carrier: USPS
• transit: 4-8 Days
• class: Standard
• type: Calculated
• cost: $0.00

seller oelemot:

• city: Marshalltown, Iowa
• # reviews: 4806
• rating: 100.0%

payments oelemot:

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

Thomson Saginaw 7820040 Is Similar To:

• 00d09d02001-4m Dt060-005 Kollmorgen Thomson Micron Platinum Series Dc Servo Motor With Gearbox (33.1% similar) Pn: 00D09D02001-4M DT060-005 includes 1 year warranty. In order to give you the lowest possible rate, we combine shipping charges on multiple orders. Collagen platinum series dc motor with Thomson micron gearbox...(September 27th, 2018)
• Thomson Micron Dtrs142-001 Duratrue 90 Right Angle Gearhead Part 32-313889-7446 (33.6% similar) The cost of combined shipping depends on weight, location buyer and size box. Ups next day am. Ups 2 day air am. Prices for these options may differ from standard ground shipping. These services include: ups 3 day select. These services include item is sold as pictured. Thomson micron denature 90 ...(June 4th, 2025)
• Thomson Micron Ntr23-150 Nematrue 90 Right Angle Gearhead Part 32-513816-b764 (38% similar) Pet and smoke free home. Mounted but it was never used and taken off...(June 13th, 2025)