Thermo King Transport Refrigeration Belt 2-5VX 781670
Official OEM Thermo King parts catalog entry for the Belt 2-5VX (781670), 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 Belt 2-5VX (781670) supports reliable drive operation in Thermo King refrigeration systems, delivering consistent belt engagement and long-term uptime for transport refrigeration fleets operating in demanding West Texas conditions.
Thermo King refrigeration system drive components require parts that maintain tension, resist heat, and retain flexibility. The Belt 2-5VX (781670) meets those expectations as an OEM-grade V-belt designed for temperature-controlled fleets and reefer trailers.
- OEM Fitment – Ensures secure routing and correct tension for Thermo King drive systems to reduce slippage and downtime.
- Durable Construction – Built to resist heat, oil, and typical transport-grade contaminants, supporting longer service intervals and predictable replacement cycles.
- Flexible Cogged Design – Promotes cooler operation and improved belt flexibility for better pulley contact and quieter operation.
- Consistent Tension Retention – Supports reliable compressor and accessory drive performance, protecting critical temperature control functions on reefers.
- Fleet-Grade Reliability – Engineered for daily service in transport refrigeration, helping fleets maximize uptime and return on investment.
Product Details
| Part Number | 781670 |
| Product Name | Belt 2-5VX |
| Manufacturer | Thermo King (OEM) |
| Application | Thermo King transport refrigeration drive systems and reefer trailer/truck accessory drives |
This Thermo King belt follows OEM design principles for narrow-section cogged V-belts used across transport refrigeration applications. For exact model fitment and routing diagrams, consult the parts catalog or service documentation specific to each Thermo King unit.
Efficiency & Sustainability
The Belt 2-5VX (781670) supports fuel-efficient cooling and precise temperature control by maintaining correct drive ratios and minimizing slip-related energy loss. Proper belt selection and maintenance contribute to lower fuel consumption and reduced refrigerant load cycles on long-haul routes, aligning with efficiency goals for Smart Reefer SR-4 and other Thermo King systems.
Installation & Maintenance Tips
Install using OEM-recommended tensioning procedures and clamps. Inspect belts at scheduled service intervals and replace when fraying, glazing, or loss of tension appear. Proper pully alignment and tension prevent premature wear and protect compressor and accessory components.
Real-World Applications
The Belt 2-5VX (781670) is ideal for reefer trailers, refrigerated trucks, and transport refrigeration units that require consistent drive reliability under heavy daily use. It supports fleets operating in harsh West Texas environments, including Amarillo, Lubbock, Odessa, and the Permian Basin.
Available for installation and service in Amarillo, Lubbock, Odessa, and throughout West Texas.
View all Thermo King PartsBacked 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, contact us for warranty information at https://www.trailerservicesofwesttexas.com/contact or contact the service department for confirmation.
Frequently Asked Questions
Q: Is the Belt 2-5VX (781670) compatible with Thermo King Precedent and SR-series units?
A: The belt is designed for Thermo King transport refrigeration drive applications. For exact model compatibility, reference the parts diagram for the specific unit or contact the service department for confirmation.
Q: How often should this belt be inspected?
A: Inspect belts during routine service intervals and before seasonal peak operations. Look for signs of wear, cracking, glazing, or loss of tension and replace per OEM service recommendations to maintain temperature control reliability.
Q: What installation practices improve belt life?
A: Use correct tensioning procedures, ensure pulleys are aligned, and avoid contact with leaks or excessive contaminants. OEM clamps and recommended routing maintain secure fitment and service life.
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 Belt 2-5VX (781670), 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 Belt 2-5VX (781670) supports reliable drive operation in Thermo King refrigeration systems, delivering consistent belt engagement and long-term uptime for transport refrigeration fleets operating in demanding West Texas conditions.
Thermo King refrigeration system drive components require parts that maintain tension, resist heat, and retain flexibility. The Belt 2-5VX (781670) meets those expectations as an OEM-grade V-belt designed for temperature-controlled fleets and reefer trailers.
- OEM Fitment – Ensures secure routing and correct tension for Thermo King drive systems to reduce slippage and downtime.
- Durable Construction – Built to resist heat, oil, and typical transport-grade contaminants, supporting longer service intervals and predictable replacement cycles.
- Flexible Cogged Design – Promotes cooler operation and improved belt flexibility for better pulley contact and quieter operation.
- Consistent Tension Retention – Supports reliable compressor and accessory drive performance, protecting critical temperature control functions on reefers.
- Fleet-Grade Reliability – Engineered for daily service in transport refrigeration, helping fleets maximize uptime and return on investment.
Product Details
| Part Number | 781670 |
| Product Name | Belt 2-5VX |
| Manufacturer | Thermo King (OEM) |
| Application | Thermo King transport refrigeration drive systems and reefer trailer/truck accessory drives |
This Thermo King belt follows OEM design principles for narrow-section cogged V-belts used across transport refrigeration applications. For exact model fitment and routing diagrams, consult the parts catalog or service documentation specific to each Thermo King unit.
Efficiency & Sustainability
The Belt 2-5VX (781670) supports fuel-efficient cooling and precise temperature control by maintaining correct drive ratios and minimizing slip-related energy loss. Proper belt selection and maintenance contribute to lower fuel consumption and reduced refrigerant load cycles on long-haul routes, aligning with efficiency goals for Smart Reefer SR-4 and other Thermo King systems.
Installation & Maintenance Tips
Install using OEM-recommended tensioning procedures and clamps. Inspect belts at scheduled service intervals and replace when fraying, glazing, or loss of tension appear. Proper pully alignment and tension prevent premature wear and protect compressor and accessory components.
Real-World Applications
The Belt 2-5VX (781670) is ideal for reefer trailers, refrigerated trucks, and transport refrigeration units that require consistent drive reliability under heavy daily use. It supports fleets operating in harsh West Texas environments, including Amarillo, Lubbock, Odessa, and the Permian Basin.
Available for installation and service in Amarillo, Lubbock, Odessa, and throughout West Texas.
View all Thermo King PartsBacked 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, contact us for warranty information at https://www.trailerservicesofwesttexas.com/contact or contact the service department for confirmation.
Frequently Asked Questions
Q: Is the Belt 2-5VX (781670) compatible with Thermo King Precedent and SR-series units?
A: The belt is designed for Thermo King transport refrigeration drive applications. For exact model compatibility, reference the parts diagram for the specific unit or contact the service department for confirmation.
Q: How often should this belt be inspected?
A: Inspect belts during routine service intervals and before seasonal peak operations. Look for signs of wear, cracking, glazing, or loss of tension and replace per OEM service recommendations to maintain temperature control reliability.
Q: What installation practices improve belt life?
A: Use correct tensioning procedures, ensure pulleys are aligned, and avoid contact with leaks or excessive contaminants. OEM clamps and recommended routing maintain secure fitment and service life.
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.