The MackX 88GB439P3431 Notched V-Ribbed Belt is designed to be compatible with Mack equipment, providing a reliable and durable solution for heavy machinery applications. This high-quality V-belt is specifically made by Mack, ensuring a perfect fit and optimal performance for your equipment. With its notched design and V-ribbed construction, this belt offers increased strength and durability, making it a valuable component for your business and industrial machinery needs.