The Case-IH MT40122879 is a genuine OEM axle shaft designed for various Farmall A Series tractors, including the 90A, 100A, 110A, 120A, and 140A models. This critical component ensures robust power transmission to the wheels, maintaining optimal performance and durability in agricultural operations. With a length of 660.4 mm and a weight of 4.54 kg, this axle shaft is engineered to precise specifications for a perfect fit and long-lasting service life.