The Case IH 87705866 is a genuine OEM V-ribbed belt, commonly used as a fan or drive belt, designed for optimal power transmission in various Case IH agricultural machinery. This durable belt measures 28.575 mm in width, features 8 ribs, and has an effective length of 2286 mm. It ensures reliable performance and a precise fit for models including Steiger, Quadtrac, and Magnum series tractors. Engineered to withstand demanding operational conditions, this OEM belt provides long-lasting service life and maintains system efficiency.