OE Quality
60-Day Returns

Gates TR22720 Accessory Drive Belt - Fan and Air Brake Compressor
Reliable Gates Truck & Bus V-Belt TR22720 Overview
The Gates Truck & Bus V-Belt TR22720 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 of 15 mm (.594 inches) for precise fitment
- Notched design enhances flexibility and grip
- Single polyester cord strand for strength and stability
- Constructed with EPDM belt material for heat and wear resistance
- Effective length approximately 1830 mm (72.03 inches)
- Outside circumference around 1844 mm (72.61 inches)
- Cross section designation Ra with a 40-degree angle for optimal belt seating
Detailed Product Features and Specifications
The TR22720 accessory drive belt from Gates features a notched construction that improves flexibility and reduces heat buildup during operation. Its polyester cord material provides tensile strength, maintaining belt integrity under heavy loads typical in truck and bus engines. The EPDM (ethylene propylene diene monomer) belt material offers resistance to heat, ozone, and wear, which is critical for accessory drive belts exposed to harsh engine environments. With a top width of 15 mm and a single strand design, this belt fits applications requiring the Ra cross section and a 40-degree angle profile, ensuring proper alignment and power transfer.
About the Gates Truck & Bus V-Belt Product Line
The Gates Truck & Bus V-Belt line is specifically developed for commercial vehicle accessory drive systems. These belts are designed to meet the rigorous demands of truck and bus engines, providing reliable performance and durability. The TR22720 is part of this product line, offering a notched design and EPDM construction tailored for heavy-duty applications.
Common Applications and Problem Solving
- Replacement for worn or damaged accessory drive belts in trucks and buses
- Addresses slipping or squealing belts caused by wear or improper tension
- Helps prevent belt failure due to heat and abrasion in commercial vehicles
- Suitable for maintaining proper operation of alternators, water pumps, and air compressors
- Supports consistent engine accessory performance under heavy load conditions
Installation Notes and Tips
Ensure the belt is routed correctly according to the vehicle’s accessory drive system diagram. Check pulleys for wear or misalignment before installation. Proper tensioning is critical to avoid premature belt wear or slippage. Use a belt tension gauge if available to achieve manufacturer-recommended tension. Inspect the belt periodically for signs of cracking, fraying, or glazing.
Quality Assurance and Warranty
Gates manufactures the TR22720 accessory drive belt to meet industry standards for durability and performance. The use of EPDM material and polyester cords ensures resistance to environmental factors common in truck and bus engine compartments. While specific warranty details are not provided, Gates products typically come with a limited warranty against defects in materials and workmanship.
| Brand | Gates |
| Part Number | TR22720 |
| Top Width | .594 |
| Top Width | 15 |
| Construction | Notched |
| Cord Material | Polyester |
| Cross Section Designation | Ra |
| Strand Quantity | 1 |
| Effective Length | 1830 |
| Effective Length | 72.03 |
| Outside Circumference | 1844 |
| Outside Circumference | 72.61 |
| Type | Truck & bus v-belt |
| Belt Material | Epdm |
| Angle | 40 |
| 9837 | Yes |
| Angle | 40 |
| Belt Material | Epdm |
| Construction | Notched |
| Cord Material | Polyester |
| Notched | Yes |
| Number of Strands | 1 |
| Section | Ra |
| Type | Truck & bus v-belt |
This part fits 0 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.