The Landini (AGCO) 979326M1 is a genuine OEM prisoner bolt, also known as a stud bolt, designed for various Massey Ferguson agricultural machinery. This robust fastener features a 1/2-13 UNC thread and an overall length of approximately 79.4 mm (3.125 inches) with a diameter of 12.7 mm (0.500 inches). It is a critical component for secure assembly in compatible tractor models, ensuring reliable performance and durability. This part is cross-referenced with OEM number 377800X1.