Overview
The Gates 2/3VX750 Super HC PowerBand V-Belt is a 2-strand molded notch cogged wedge belt engineered for high-performance industrial power transmission. At 75 inches in length and 3/8-inch top width, this 3V section belt combines the proven durability of Gates Super HC technology with PowerBand’s multi-belt unity construction, making it an ideal replacement and upgrade for applications requiring superior stability and shock absorption.
Key Features
- PowerBand Construction: Two V-belts joined together by a permanent, high strength tie band, providing more powerful, tougher performance than single belts
- Molded Notch Design: Notches molded into the underside create the flexibility needed to fit smaller diameter sheaves while maintaining strength and traction
- EPDM Material: Made of EPDM (ethylene propylene diene monomer) rubber for resistance to weathering, oils, water, and some solvents
- Flex-Bonded Tensile Cords: Flex-Bonded tensile cords are strongly bonded to the body of the belt resulting in equal load distribution and the absorption of bending stress without cord deterioration
- Service-Free Operation: SERVICE FREE EPDM belts are designed to extend product lifetime, eliminating costly downtime for re-tensioning, repair and replacement
- Lateral Stability: High-strength tie band permanently joins the belts to provide lateral rigidity, guiding the belt in a straight line and preventing it from coming off the drive
Technical Specifications
- Belt Section: 3V (9J)
- Configuration: 2 Strands / 2-Banded
- Nominal Length: 75 inches (outside circumference)
- Top Width: 3/8 inch
- Height: Approx. 21/64 inch
- Material: EPDM rubber with Flex-Weave cover
- Cord Type: Flex-Bonded tensile cords
- Operating Temperature Range: -65 to +250 degrees Fahrenheit
- Construction Type: Molded Notch (Cogged)
- Belt Style: Banded PowerBand with tie band
- Series Number: 9388
Typical Applications
Gates Super HC Powerband belts are engineered for drives where single belts vibrate, turn over, or jump off the pulleys, and work best for operations subjected to pulsating loads. Common uses include:
- Industrial conveyor systems with pulsating or shock loads
- Agricultural equipment with vibration-prone drives
- Compressors and industrial pumps
- Heavy-duty fan and blower applications
- Manufacturing equipment requiring continuous, reliable operation
- Any application where single belt instability occurs
Compatibility & Replacements
Compatible With
- 3V section sheaves and pulleys (matching groove size)
- Industrial drive systems rated for 3V (9J) belt sections
- Equipment designed for molded notch or cogged V-belts
- Compact high-efficiency belt drives
Replaces / Drop-In Replacement For
The Gates 2/3VX750 is an upgrade replacement for:
- Single 3V-section V-belts in 2-belt drive systems
- Previous-generation banded belts of equivalent length
- Drives where belt slippage or jump-off has been an issue
Verify the original belt configuration (section, length, strand count) before ordering to ensure proper fit.
Works With
- Standard industrial sheave groove tooling compatible with 3V belts
- Molded notch or cogged belt pulley systems
- Both metric and inch-based drive designs
- Gates belt drive systems and applications globally




