Gates TR28390 Accessory Drive Belt - Air Conditioning

Reliable Gates Truck & Bus V-Belt TR28390 Overview

The Gates Truck & Bus V-Belt TR28390 is engineered for durability and consistent performance in heavy-duty truck and bus applications. Designed with a notched construction and polyester cord material, this accessory drive belt ensures efficient power transmission and long service life.

• Top width options: 0.775 inch and 20 mm for versatile fitment
• Notched construction enhances flexibility and heat dissipation
• Polyester cord material provides strength and resistance to stretching
• Epdm belt material offers durability and resistance to environmental factors
• Effective length of 39.05 inches (992 mm) and outside circumference of 39.63 inches (1007 mm)
• Cross section designation Va with a 36-degree angle for optimal belt seating
• Single strand design suitable for specific truck and bus accessory drive systems

Detailed Product Description

The Gates TR28390 accessory drive belt belongs to the Truck & Bus V-Belt product line, which is specifically designed to meet the rigorous demands of commercial vehicles. This belt features a notched design that improves flexibility and reduces heat buildup during operation, which is critical for maintaining performance in heavy-duty environments. The polyester cord embedded within the EPDM (ethylene propylene diene monomer) rubber belt material provides excellent tensile strength and resistance to wear, ensuring reliable power transmission to engine accessories such as alternators, water pumps, and air compressors.

With a cross section designation of Va and a 36-degree angle, the belt fits securely in pulley grooves designed for truck and bus applications. The effective length of 39.05 inches (992 mm) and outside circumference of 39.63 inches (1007 mm) make it compatible with a range of commercial vehicle models requiring this specific size and profile.

Common Applications and Problem Solving

• Replacement for worn or damaged accessory drive belts in heavy-duty trucks and buses
• Addresses slipping or squealing belts caused by stretched or hardened belts
• Helps prevent accessory drive system failures due to belt degradation
• Improves engine accessory performance by maintaining proper belt tension
• Suitable for vehicles requiring a Va cross section notched belt with polyester cord reinforcement

Installation Notes and Tips

• Ensure the belt matches the required top width and effective length for your vehicle
• Inspect pulleys and tensioners for wear before installing the new belt
• Follow manufacturer torque specifications when adjusting belt tension
• Check belt alignment to prevent premature wear or noise
• Replace belts in pairs or sets when applicable to maintain balanced accessory drive operation

Quality Assurance and Warranty

Gates is a recognized manufacturer of automotive belts with stringent quality control standards. The TR28390 belt is constructed using durable EPDM material and reinforced polyester cords to meet industry specifications for heavy-duty truck and bus applications. While specific warranty details are not provided, Gates products typically come with manufacturer-backed warranties covering defects in materials and workmanship. For exact warranty terms, consult the product documentation or Gates customer support.