Thermo King Serpentine Multi-Rib Belt Motor Clutch 781860
Official OEM Thermo King parts catalog entry for the Thermo King Belt Motor - Clutch 781860, 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 Motor - Clutch 781860 delivers OEM-grade drive reliability for temperature-controlled fleets, ensuring consistent power transfer between electric standby motors and the clutch assembly in Thermo King refrigeration systems.
Engineered for dependable uptime, this serpentine drive belt supports precise torque transmission in Precedent-series transport refrigeration units and compatible reefer trailer and truck applications. West Texas Thermo King, a certified Thermo King dealership, offers this authentic component to maintain fuel-efficient cooling and temperature control across West Texas and the Permian Basin.
- OEM Multi-Rib Serpentine Design – Ensures consistent grip and smooth power transfer to the clutch for reliable compressor engagement.
- EPDM Rubber Construction – Offers resilience to heat and environmental stress for extended service life in transport refrigeration conditions.
- Precision Compatibility – Designed to fit Thermo King Precedent series applications for secure installation and minimized downtime.
- Fleet Uptime Focus – Supports rapid clutch engagement and consistent temperature control to protect perishable cargo and reduce delivery risk.
- Certified OEM Part – Backed by Thermo King engineering and distributed through a certified dealership network for traceable quality.
Product Details
| Part Number | 781860 |
| Product Name | Belt Motor - Clutch |
| Type | Serpentine / Multi-rib drive belt |
| Material | EPDM rubber |
| Compatibility | Thermo King Precedent series (select models including S-610M, S-610DE and related units) |
Efficiency & Sustainability
The Thermo King Belt Motor - Clutch 781860 supports efficient transport refrigeration by maintaining consistent compressor engagement and reducing unnecessary engine load. Proper belt tension and OEM fitment contribute to fuel-efficient cooling and optimized runtime. Compatible Thermo King systems, including Smart Reefer SR-4 controls and Diesel Direct Electric configurations, maintain regulatory and efficiency objectives while supporting CARB Evergreen initiatives where applicable.
Installation & Maintenance Tips
Install using OEM routing and tension specifications to ensure correct alignment. Inspect belt condition at scheduled maintenance intervals and replace at first signs of cracking, glazing, or rib separation. Use OEM clamps and pulleys as specified by Thermo King service literature for secure fitment and extended service life.
Real-World Applications
This belt fits transport refrigeration installations including reefer trailers, refrigerated straight trucks, and diesel-direct-electric units where motor-to-clutch power transfer is required. It supports reliable temperature control for frozen and refrigerated loads across regional and long-haul routes. 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 or contact the service department for confirmation.
Frequently Asked Questions
Q: Is this belt compatible with Thermo King Precedent units?
A: Yes, the Belt Motor - Clutch 781860 is designed for secure fit and reliable operation in Thermo King Precedent-series refrigeration systems, including S-610M and S-610DE applications when specified by vehicle and unit configuration.
Q: How often should this belt be inspected or replaced?
A: Inspect during scheduled maintenance intervals and replace at the first sign of wear such as cracking, rib separation, or loss of tension to maintain consistent temperature control and prevent unscheduled downtime.
Q: Can this belt support electric standby and diesel-direct-electric operations?
A: Yes, the serpentine multi-rib design supports transfer of motor output to the clutch in electric standby and diesel-direct-electric transport refrigeration systems when installed to OEM specifications.
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 Belt Motor - Clutch 781860, 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 Motor - Clutch 781860 delivers OEM-grade drive reliability for temperature-controlled fleets, ensuring consistent power transfer between electric standby motors and the clutch assembly in Thermo King refrigeration systems.
Engineered for dependable uptime, this serpentine drive belt supports precise torque transmission in Precedent-series transport refrigeration units and compatible reefer trailer and truck applications. West Texas Thermo King, a certified Thermo King dealership, offers this authentic component to maintain fuel-efficient cooling and temperature control across West Texas and the Permian Basin.
- OEM Multi-Rib Serpentine Design – Ensures consistent grip and smooth power transfer to the clutch for reliable compressor engagement.
- EPDM Rubber Construction – Offers resilience to heat and environmental stress for extended service life in transport refrigeration conditions.
- Precision Compatibility – Designed to fit Thermo King Precedent series applications for secure installation and minimized downtime.
- Fleet Uptime Focus – Supports rapid clutch engagement and consistent temperature control to protect perishable cargo and reduce delivery risk.
- Certified OEM Part – Backed by Thermo King engineering and distributed through a certified dealership network for traceable quality.
Product Details
| Part Number | 781860 |
| Product Name | Belt Motor - Clutch |
| Type | Serpentine / Multi-rib drive belt |
| Material | EPDM rubber |
| Compatibility | Thermo King Precedent series (select models including S-610M, S-610DE and related units) |
Efficiency & Sustainability
The Thermo King Belt Motor - Clutch 781860 supports efficient transport refrigeration by maintaining consistent compressor engagement and reducing unnecessary engine load. Proper belt tension and OEM fitment contribute to fuel-efficient cooling and optimized runtime. Compatible Thermo King systems, including Smart Reefer SR-4 controls and Diesel Direct Electric configurations, maintain regulatory and efficiency objectives while supporting CARB Evergreen initiatives where applicable.
Installation & Maintenance Tips
Install using OEM routing and tension specifications to ensure correct alignment. Inspect belt condition at scheduled maintenance intervals and replace at first signs of cracking, glazing, or rib separation. Use OEM clamps and pulleys as specified by Thermo King service literature for secure fitment and extended service life.
Real-World Applications
This belt fits transport refrigeration installations including reefer trailers, refrigerated straight trucks, and diesel-direct-electric units where motor-to-clutch power transfer is required. It supports reliable temperature control for frozen and refrigerated loads across regional and long-haul routes. 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 or contact the service department for confirmation.
Frequently Asked Questions
Q: Is this belt compatible with Thermo King Precedent units?
A: Yes, the Belt Motor - Clutch 781860 is designed for secure fit and reliable operation in Thermo King Precedent-series refrigeration systems, including S-610M and S-610DE applications when specified by vehicle and unit configuration.
Q: How often should this belt be inspected or replaced?
A: Inspect during scheduled maintenance intervals and replace at the first sign of wear such as cracking, rib separation, or loss of tension to maintain consistent temperature control and prevent unscheduled downtime.
Q: Can this belt support electric standby and diesel-direct-electric operations?
A: Yes, the serpentine multi-rib design supports transfer of motor output to the clutch in electric standby and diesel-direct-electric transport refrigeration systems when installed to OEM specifications.
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.