Thermo King Boss Pulley Hub for Drive Pulleys 771366

$69.20

Official OEM Thermo King parts catalog entry for the Thermo King Boss Pulley 771366, 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 Boss Pulley 771366 delivers OEM-grade hub support for belt-driven components on transport refrigeration systems. Engineered to secure pulleys to accessory shafts, this component supports consistent belt tracking and reliable torque transfer across temperature-controlled fleets operating in demanding West Texas conditions. Thermo King refrigeration system operators trust this type of component to maintain uptime and service life on reefer trailers and refrigerated trucks.

Key Features & Customer Benefits

  • High-Strength Hub Construction – Provides durable mounting for drive pulleys, resisting wear and maintaining alignment under continuous operation.
  • Precision Fit Interface – Ensures secure mechanical connection to shafts for stable belt-driven accessory operation and reduced vibration.
  • Corrosion-Resistant Finish – Supports long-term reliability in humid, saline, and road-salt environments common across Amarillo, Lubbock, Odessa, and the Permian Basin.
  • OEM-Compatible Design Principles – Matches Thermo King engineering standards to help preserve factory performance, efficiency, and temperature control integrity.
  • Serviceability – Simplifies inspection and replacement during scheduled maintenance to reduce downtime and improve fleet ROI.

Product Details

The Thermo King Boss Pulley 771366 functions as the central mounting hub for drive pulleys on Thermo King transport refrigeration units. Specific fitment, machining tolerances, and shaft interface profiles vary by model; consult the unit parts catalog or a certified dealership parts specialist for exact application guidance. West Texas Thermo King technicians validate part selection against unit serial numbers for compatibility with Smart Reefer SR-4, Diesel Direct Electric, Precedent S-610M, and S-610DE series when manufacturer documentation specifies part 771366.

Efficiency & Sustainability

Maintaining precise pulley alignment reduces belt slippage and mechanical loss, which supports efficient accessory drive operation and contributes to fuel-efficient cooling across transport refrigeration fleets. Using OEM-standard components supports compliance goals and integrates with Thermo King smart controls like Smart Reefer SR-4. Proper component selection and installation help fleets pursue reduced emissions and long-term sustainability objectives, including CARB Evergreen program alignment where applicable.

Installation & Maintenance Tips

Install the boss pulley using OEM-specified fasteners and torque values from the unit service manual. Use OEM clamps, locking hardware, and alignment tools for secure fitment. Inspect pulley boss and mating surfaces during scheduled maintenance intervals and check belt condition and tension to prevent premature wear. For model-specific torque and alignment procedures, refer to the Thermo King service manual or contact a certified parts technician.

Real-World Applications

The Thermo King Boss Pulley 771366 serves fleet operations on reefer trailers, refrigerated box trucks, and transport refrigeration units where a robust pulley hub ensures consistent temperature control and component reliability. This part supports day-to-day operations for regional haulers, long-haul carriers, and dedicated cold-chain fleets operating in West Texas and the Permian Basin.

Available for installation and service in Amarillo, Lubbock, Odessa, and throughout West Texas.

View all Thermo King Parts

Backed by Thermo King’s engineering and supported by certified technicians at West Texas Thermo King, this component delivers lasting reliability 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 the Thermo King Boss Pulley 771366 compatible with common Thermo King units?
A: Compatibility depends on unit serial number and model. Refer to the unit parts catalog or contact a certified parts specialist at West Texas Thermo King for verified fitment information.

Q: What maintenance helps maximize pulley service life?
A: Regular inspection of belt condition, tension, and pulley mounting surfaces during scheduled service intervals preserves alignment and reduces wear. Use OEM fasteners and follow Torque specifications in the service manual.

Q: How does this component affect fleet temperature control?
A: A properly installed boss pulley ensures reliable belt-driven accessory operation, which helps maintain compressor and fan function essential for stable temperature control on reefer trailers and refrigerated trucks.

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 Boss Pulley 771366, 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 Boss Pulley 771366 delivers OEM-grade hub support for belt-driven components on transport refrigeration systems. Engineered to secure pulleys to accessory shafts, this component supports consistent belt tracking and reliable torque transfer across temperature-controlled fleets operating in demanding West Texas conditions. Thermo King refrigeration system operators trust this type of component to maintain uptime and service life on reefer trailers and refrigerated trucks.

Key Features & Customer Benefits

  • High-Strength Hub Construction – Provides durable mounting for drive pulleys, resisting wear and maintaining alignment under continuous operation.
  • Precision Fit Interface – Ensures secure mechanical connection to shafts for stable belt-driven accessory operation and reduced vibration.
  • Corrosion-Resistant Finish – Supports long-term reliability in humid, saline, and road-salt environments common across Amarillo, Lubbock, Odessa, and the Permian Basin.
  • OEM-Compatible Design Principles – Matches Thermo King engineering standards to help preserve factory performance, efficiency, and temperature control integrity.
  • Serviceability – Simplifies inspection and replacement during scheduled maintenance to reduce downtime and improve fleet ROI.

Product Details

The Thermo King Boss Pulley 771366 functions as the central mounting hub for drive pulleys on Thermo King transport refrigeration units. Specific fitment, machining tolerances, and shaft interface profiles vary by model; consult the unit parts catalog or a certified dealership parts specialist for exact application guidance. West Texas Thermo King technicians validate part selection against unit serial numbers for compatibility with Smart Reefer SR-4, Diesel Direct Electric, Precedent S-610M, and S-610DE series when manufacturer documentation specifies part 771366.

Efficiency & Sustainability

Maintaining precise pulley alignment reduces belt slippage and mechanical loss, which supports efficient accessory drive operation and contributes to fuel-efficient cooling across transport refrigeration fleets. Using OEM-standard components supports compliance goals and integrates with Thermo King smart controls like Smart Reefer SR-4. Proper component selection and installation help fleets pursue reduced emissions and long-term sustainability objectives, including CARB Evergreen program alignment where applicable.

Installation & Maintenance Tips

Install the boss pulley using OEM-specified fasteners and torque values from the unit service manual. Use OEM clamps, locking hardware, and alignment tools for secure fitment. Inspect pulley boss and mating surfaces during scheduled maintenance intervals and check belt condition and tension to prevent premature wear. For model-specific torque and alignment procedures, refer to the Thermo King service manual or contact a certified parts technician.

Real-World Applications

The Thermo King Boss Pulley 771366 serves fleet operations on reefer trailers, refrigerated box trucks, and transport refrigeration units where a robust pulley hub ensures consistent temperature control and component reliability. This part supports day-to-day operations for regional haulers, long-haul carriers, and dedicated cold-chain fleets operating in West Texas and the Permian Basin.

Available for installation and service in Amarillo, Lubbock, Odessa, and throughout West Texas.

View all Thermo King Parts

Backed by Thermo King’s engineering and supported by certified technicians at West Texas Thermo King, this component delivers lasting reliability 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 the Thermo King Boss Pulley 771366 compatible with common Thermo King units?
A: Compatibility depends on unit serial number and model. Refer to the unit parts catalog or contact a certified parts specialist at West Texas Thermo King for verified fitment information.

Q: What maintenance helps maximize pulley service life?
A: Regular inspection of belt condition, tension, and pulley mounting surfaces during scheduled service intervals preserves alignment and reduces wear. Use OEM fasteners and follow Torque specifications in the service manual.

Q: How does this component affect fleet temperature control?
A: A properly installed boss pulley ensures reliable belt-driven accessory operation, which helps maintain compressor and fan function essential for stable temperature control on reefer trailers and refrigerated trucks.

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.