PTO Extender Adaptor, PTO Shaft Extension, PTO Shaft Quick Connect for John Deere for Bobcat for Kubota for Bush Hog Tractor, 1 3/8in 6 Spline Female, 1 3/8in 6 Spline Male, 70HP Fitment: The PTO extension for the tractor is a 1 3/8in and 6 spline female head, a 1 3/8in and 6 spline male head, used for John Deere for Bobcat for Kubota for Bush Hog tractors with power up to 70 hp Advantage: It can extend or shorten the length of the PTO drive shaft, allowing the equipment to be securely connected to each other, ensuring stable power and torque delivery without the need for additional cutting or purchase of a new engine shaft. It can also be used quickly with a hook up system