Thermo King Alternator Pulley 3.38-Inch Diameter 772755
Official OEM Thermo King parts catalog entry for the Pulley, Alternator, 3.38, 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 772755 Pulley, Alternator, 3.38 delivers OEM-grade reliability for Thermo King refrigeration system drives, ensuring consistent alternator operation and dependable electrical output for temperature-critical transport refrigeration fleets.
West Texas Thermo King, a certified Thermo King dealership, lists this alternator pulley as a precision replacement component engineered to support uptime, reduce downtime costs, and preserve temperature control for reefer trailers and truck-mounted transport refrigeration units across Amarillo, Lubbock, Odessa, and the Permian Basin.
Key Features & Customer Benefits
- Exact Diameter Fit – 3.38-inch specification ensures correct belt alignment and consistent alternator speed for accurate electrical charging.
- OEM Compatibility – Designed to meet Thermo King dimensional and fitment standards for reliable service life in transport refrigeration applications.
- Durable Construction – Built for heavy-duty operation to withstand continuous service in high-vibration, long-haul reefers and truck systems.
- Improved Uptime – Reduces risk of belt slippage and alternator failure to support continuous temperature control and cargo protection.
- Service-Friendly Installation – Simple replacement process during scheduled maintenance intervals to minimize labor time and return-to-service delays.
- Fleet ROI – Preserves alternator efficiency and battery charging to protect sensitive refrigeration electronics and extend component life.
Product Details
| Part Number | 772755 |
| Product | Pulley, Alternator, 3.38 |
| Diameter | 3.38 in |
| Construction | Durable OEM-grade metal construction |
| Compatibility | Select Thermo King alternator-equipped transport refrigeration units; verify fitment by model and serial number |
Efficiency & Sustainability
This pulley supports fuel-efficient cooling strategies by maintaining precise alternator drive and stable electrical output for Thermo King systems. Reliable alternator operation reduces unnecessary engine load variation and helps sustain temperature control across reefer trailer and truck applications. Integration with Thermo King monitoring systems such as Smart Reefer SR-4 enhances fleet visibility and operational efficiency.
Installation & Maintenance Tips
Install using manufacturer-recommended procedures and tools. Relieve belt tension before removal, inspect belt condition and alignment, and replace any worn tensioners or belts to ensure optimal pulley performance. Schedule pulley inspection during routine service intervals and use OEM fasteners or approved equivalents for secure fitment.
Real-World Applications
This pulley serves alternators on Thermo King transport refrigeration units installed on reefer trailers, refrigerated straight trucks, and truck-mounted systems where consistent electrical charging is critical for temperature control and equipment monitoring. 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: Contact Us.
Frequently Asked Questions
Q: Is this pulley compatible with Thermo King Precedent or S-series units?
A: Compatibility varies by alternator model and unit serial number. Verify fitment by matching part number 772755 with the unit’s model and serial number or contact West Texas Thermo King for confirmation.
Q: How does replacing this pulley help fleet reliability?
A: Correct pulley diameter and secure mounting maintain belt alignment and alternator speed, ensuring reliable battery charging, steady electrical power to control systems, and continuous temperature control for cargo protection.
Q: Can a technician install this pulley during a routine service stop?
A: Yes. Installation is service-friendly when completed by trained technicians using standard alternator service procedures. Inspect belts and tensioners at the same time to prevent repeat service visits.
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 Pulley, Alternator, 3.38, 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 772755 Pulley, Alternator, 3.38 delivers OEM-grade reliability for Thermo King refrigeration system drives, ensuring consistent alternator operation and dependable electrical output for temperature-critical transport refrigeration fleets.
West Texas Thermo King, a certified Thermo King dealership, lists this alternator pulley as a precision replacement component engineered to support uptime, reduce downtime costs, and preserve temperature control for reefer trailers and truck-mounted transport refrigeration units across Amarillo, Lubbock, Odessa, and the Permian Basin.
Key Features & Customer Benefits
- Exact Diameter Fit – 3.38-inch specification ensures correct belt alignment and consistent alternator speed for accurate electrical charging.
- OEM Compatibility – Designed to meet Thermo King dimensional and fitment standards for reliable service life in transport refrigeration applications.
- Durable Construction – Built for heavy-duty operation to withstand continuous service in high-vibration, long-haul reefers and truck systems.
- Improved Uptime – Reduces risk of belt slippage and alternator failure to support continuous temperature control and cargo protection.
- Service-Friendly Installation – Simple replacement process during scheduled maintenance intervals to minimize labor time and return-to-service delays.
- Fleet ROI – Preserves alternator efficiency and battery charging to protect sensitive refrigeration electronics and extend component life.
Product Details
| Part Number | 772755 |
| Product | Pulley, Alternator, 3.38 |
| Diameter | 3.38 in |
| Construction | Durable OEM-grade metal construction |
| Compatibility | Select Thermo King alternator-equipped transport refrigeration units; verify fitment by model and serial number |
Efficiency & Sustainability
This pulley supports fuel-efficient cooling strategies by maintaining precise alternator drive and stable electrical output for Thermo King systems. Reliable alternator operation reduces unnecessary engine load variation and helps sustain temperature control across reefer trailer and truck applications. Integration with Thermo King monitoring systems such as Smart Reefer SR-4 enhances fleet visibility and operational efficiency.
Installation & Maintenance Tips
Install using manufacturer-recommended procedures and tools. Relieve belt tension before removal, inspect belt condition and alignment, and replace any worn tensioners or belts to ensure optimal pulley performance. Schedule pulley inspection during routine service intervals and use OEM fasteners or approved equivalents for secure fitment.
Real-World Applications
This pulley serves alternators on Thermo King transport refrigeration units installed on reefer trailers, refrigerated straight trucks, and truck-mounted systems where consistent electrical charging is critical for temperature control and equipment monitoring. 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: Contact Us.
Frequently Asked Questions
Q: Is this pulley compatible with Thermo King Precedent or S-series units?
A: Compatibility varies by alternator model and unit serial number. Verify fitment by matching part number 772755 with the unit’s model and serial number or contact West Texas Thermo King for confirmation.
Q: How does replacing this pulley help fleet reliability?
A: Correct pulley diameter and secure mounting maintain belt alignment and alternator speed, ensuring reliable battery charging, steady electrical power to control systems, and continuous temperature control for cargo protection.
Q: Can a technician install this pulley during a routine service stop?
A: Yes. Installation is service-friendly when completed by trained technicians using standard alternator service procedures. Inspect belts and tensioners at the same time to prevent repeat service visits.
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.
