Thermo King Trailer Condenser Fan Drive Belt 780844
Official OEM Thermo King parts catalog entry for the Thermo King Fan Belt 780844 (Belt, Fan - Trailer), verified by PEAK Thermo King and West Texas Thermo King Texas, Utah, Wyoming, Washington, Oregon, serving all of the USA.
Built for Performance: The Thermo King Fan Belt 780844 delivers OEM-grade reliability for Thermo King refrigeration systems, ensuring consistent condenser fan drive and dependable heat rejection in temperature-controlled transport operations.
The Thermo King Fan Belt 780844 supports uptime and precise temperature control for reefer trailer and transport refrigeration fleets operating across West Texas and the Permian Basin.
Key Features & Customer Benefits
- OEM Compatibility – Designed specifically for Thermo King trailer refrigeration units to secure proper fit and alignment for long service intervals.
- Durable Construction – Heat-resistant design supports consistent belt tension and minimizes stretch under variable load conditions for reliable cooling.
- Precision Drive – Ensures efficient condenser fan operation, supporting steady temperature control and reduced risk of cargo temperature excursions.
- Fleet-Ready – Optimized for commercial use in high-mileage reefer trailers, improving parts life and lowering total cost of ownership.
- Service-Friendly – Supplied as a single replacement belt for straightforward installation during scheduled maintenance checks.
Product Details
| Part Number | 780844 |
| Product Name | Thermo King Fan Belt 780844 (Belt, Fan - Trailer) |
| Compatibility | Commonly used on Thermo King SB-210, SB-III, SB-I-III, SB III-50, SB-200/210 and related trailer refrigeration units |
| Material | Heat-resistant, durable OEM-grade construction |
| Sold As | Single fan/condenser drive belt |
Efficiency & Sustainability
This belt supports efficient condenser fan operation, helping transport refrigeration systems maintain fuel-efficient cooling and consistent temperature control. When installed and maintained to OEM guidance, the Thermo King Fan Belt 780844 contributes to lower fuel consumption and reduced CO2 emissions by enabling more effective heat rejection. Compatible systems that pair with modern controls—such as Smart Reefer SR-4—benefit from consistent mechanical reliability and improved overall system efficiency.
Installation & Maintenance Tips
Follow Thermo King service manual procedures for belt tension and alignment. Inspect belt condition during scheduled maintenance intervals, check pulleys for wear, and use OEM-spec tensioning tools or verified equivalents. Replace the belt at first signs of cracking, glazing, or consistent slip to preserve condenser performance and cargo temperature integrity.
Real-World Applications
The Thermo King Fan Belt 780844 is ideal for reefer trailers, refrigerated truck units, and transport refrigeration systems operating across long-haul and regional routes. It supports fleets that require dependable temperature control for perishables, pharmaceuticals, and grocery transport across Amarillo, Lubbock, Odessa, West Texas, and the Permian Basin.
Available for installation and service in Amarillo, Lubbock, Odessa, and throughout West Texas.
Backed by Thermo King’s engineering and supported by certified technicians at West Texas Thermo King, this component delivers lasting performance and uptime assurance for fleet operations.
For product verification or service assistance, call (806) 376-5837.
For current warranty eligibility or OEM replacement coverage, please contact us for warranty information: https://www.trailerservicesofwesttexas.com/contact.
Frequently Asked Questions
Q: Is the Thermo King Fan Belt 780844 compatible with SB-III series units?
A: Yes. The belt fits common SB-III and related Thermo King trailer refrigeration units when installed per OEM guidance.
Q: How often should the belt be inspected?
A: Inspect the belt at each scheduled maintenance interval and replace it at first signs of cracking, glazing, or tension loss to sustain consistent temperature control.
Q: Can this belt improve fuel efficiency?
A: Properly functioning condenser drive belts support efficient fan operation, which helps refrigeration units maintain optimal cooling and can contribute to more fuel-efficient system operation.
Related Resources
Ask about fleet-wide parts programs through West Texas Thermo King.
Produced by a certified Thermo King dealership, West Texas Thermo King | a Division of PEAK Industrial. Servicing fleets across Amarillo, Lubbock, and Odessa.
Official OEM Thermo King parts catalog entry for the Thermo King Fan Belt 780844 (Belt, Fan - Trailer), verified by PEAK Thermo King and West Texas Thermo King Texas, Utah, Wyoming, Washington, Oregon, serving all of the USA.
Built for Performance: The Thermo King Fan Belt 780844 delivers OEM-grade reliability for Thermo King refrigeration systems, ensuring consistent condenser fan drive and dependable heat rejection in temperature-controlled transport operations.
The Thermo King Fan Belt 780844 supports uptime and precise temperature control for reefer trailer and transport refrigeration fleets operating across West Texas and the Permian Basin.
Key Features & Customer Benefits
- OEM Compatibility – Designed specifically for Thermo King trailer refrigeration units to secure proper fit and alignment for long service intervals.
- Durable Construction – Heat-resistant design supports consistent belt tension and minimizes stretch under variable load conditions for reliable cooling.
- Precision Drive – Ensures efficient condenser fan operation, supporting steady temperature control and reduced risk of cargo temperature excursions.
- Fleet-Ready – Optimized for commercial use in high-mileage reefer trailers, improving parts life and lowering total cost of ownership.
- Service-Friendly – Supplied as a single replacement belt for straightforward installation during scheduled maintenance checks.
Product Details
| Part Number | 780844 |
| Product Name | Thermo King Fan Belt 780844 (Belt, Fan - Trailer) |
| Compatibility | Commonly used on Thermo King SB-210, SB-III, SB-I-III, SB III-50, SB-200/210 and related trailer refrigeration units |
| Material | Heat-resistant, durable OEM-grade construction |
| Sold As | Single fan/condenser drive belt |
Efficiency & Sustainability
This belt supports efficient condenser fan operation, helping transport refrigeration systems maintain fuel-efficient cooling and consistent temperature control. When installed and maintained to OEM guidance, the Thermo King Fan Belt 780844 contributes to lower fuel consumption and reduced CO2 emissions by enabling more effective heat rejection. Compatible systems that pair with modern controls—such as Smart Reefer SR-4—benefit from consistent mechanical reliability and improved overall system efficiency.
Installation & Maintenance Tips
Follow Thermo King service manual procedures for belt tension and alignment. Inspect belt condition during scheduled maintenance intervals, check pulleys for wear, and use OEM-spec tensioning tools or verified equivalents. Replace the belt at first signs of cracking, glazing, or consistent slip to preserve condenser performance and cargo temperature integrity.
Real-World Applications
The Thermo King Fan Belt 780844 is ideal for reefer trailers, refrigerated truck units, and transport refrigeration systems operating across long-haul and regional routes. It supports fleets that require dependable temperature control for perishables, pharmaceuticals, and grocery transport across Amarillo, Lubbock, Odessa, West Texas, and the Permian Basin.
Available for installation and service in Amarillo, Lubbock, Odessa, and throughout West Texas.
Backed by Thermo King’s engineering and supported by certified technicians at West Texas Thermo King, this component delivers lasting performance and uptime assurance for fleet operations.
For product verification or service assistance, call (806) 376-5837.
For current warranty eligibility or OEM replacement coverage, please contact us for warranty information: https://www.trailerservicesofwesttexas.com/contact.
Frequently Asked Questions
Q: Is the Thermo King Fan Belt 780844 compatible with SB-III series units?
A: Yes. The belt fits common SB-III and related Thermo King trailer refrigeration units when installed per OEM guidance.
Q: How often should the belt be inspected?
A: Inspect the belt at each scheduled maintenance interval and replace it at first signs of cracking, glazing, or tension loss to sustain consistent temperature control.
Q: Can this belt improve fuel efficiency?
A: Properly functioning condenser drive belts support efficient fan operation, which helps refrigeration units maintain optimal cooling and can contribute to more fuel-efficient system operation.
Related Resources
Ask about fleet-wide parts programs through West Texas Thermo King.
Produced by a certified Thermo King dealership, West Texas Thermo King | a Division of PEAK Industrial. Servicing fleets across Amarillo, Lubbock, and Odessa.
