Gates 9720 Accessory Drive Belt

Overview of Gates High Capacity V-Belt (Standard) 9720

The Gates High Capacity V-Belt (Standard) part number 9720 is engineered for reliable accessory drive belt system performance. Designed with durable materials and precise construction, this belt supports efficient power transmission in various automotive applications.

• Top width options: 0.47 inch and 12 mm
• Notched construction for improved flexibility and heat dissipation
• Polyester cord material for strength and durability
• Epdm belt material resistant to wear and environmental factors
• Effective length approximately 72 inches (1829 mm)
• Single strand design with Hc50 cross section designation
• 36-degree angle for optimal belt seating and power transfer

Detailed Product Description

The Gates High Capacity V-Belt (Standard) 9720 is a notched accessory drive belt constructed with a polyester cord and EPDM rubber compound. The notched design enhances flexibility, allowing the belt to better conform to pulleys and reduce heat buildup during operation. With a top width of 0.47 inches (12 mm) and an effective length near 72 inches, this belt is suitable for applications requiring a single strand, high-capacity V-belt. The Hc50 cross section designation indicates its compatibility with specific pulley profiles, ensuring consistent power transmission and reduced slippage.

This belt is commonly used in automotive accessory drive systems, including alternators, power steering pumps, and air conditioning compressors. Its construction supports durability and resistance to wear, making it a dependable choice for maintaining proper engine accessory function.

About the High Capacity V-Belt (Standard) Product Line

The Gates High Capacity V-Belt (Standard) product line focuses on delivering belts designed for demanding accessory drive applications. These belts feature notched construction and EPDM materials to provide enhanced flexibility, heat resistance, and longevity. The 9720 part number is a representative model within this line, offering a balance of strength and adaptability for various vehicle makes and models requiring a high-capacity V-belt solution.

Common Applications and Issues Addressed

• Replacement for worn or cracked accessory drive belts
• Resolving belt slippage and squealing noises
• Improving power transmission efficiency to engine accessories
• Addressing belt degradation due to heat and environmental exposure
• Maintaining proper tension and alignment in accessory drive systems

Installation Notes and Tips

• Ensure correct belt length and cross section (Hc50) for your vehicle’s accessory drive system
• Inspect pulleys and tensioners for wear before installation
• Follow manufacturer torque specifications for tensioner adjustment
• Verify belt seating on pulleys to prevent misalignment and premature wear
• Replace belts in pairs or sets when applicable to maintain system balance

Quality Assurance and Warranty

Gates manufactures the High Capacity V-Belt (Standard) 9720 to meet stringent quality standards, using durable EPDM materials and reinforced polyester cords. While specific warranty details vary by distributor, Gates typically offers coverage against manufacturing defects. Proper installation and maintenance are essential to ensure optimal belt performance and longevity.