Genuine Kramp 5610009 slip coupling, W2500 series, designed for PTO shaft K90/4 with a 1 3/8" (6 spline) connection. This robust clutch features a torque capacity of 2500 Nm, an overall length of 220 mm, and a diameter of 180 mm. It includes 4 organic friction plates, each 4 mm thick, within a 160 mm diameter friction plate assembly. The hub has a 35 mm bore and a 10 mm keyway, with a 60 mm bolt circle and 4 holes of 11 mm diameter. The coupling's main body has 6 holes of 12.5 mm diameter on a 150 mm bolt circle. Ideal for agricultural and industrial applications requiring reliable torque limitation.