The Case IH 3140877R is an original equipment manufacturer (OEM) O-ring designed for the drive shaft in various Case IH agricultural machinery. This specific O-ring measures 72mm in inner diameter and has a thickness of 6.2mm, ensuring a precise seal. It is commonly used in Case IH 1255 and 1455 XL series tractors equipped with ZF transmissions, providing reliable performance and preventing fluid leaks.