Description Kit, pin (C5NN807D) and spring clip (311920). Tractors 2000, 3000, 4000 (1965 and up). Also services earlier models (1953 to 1964) using swinging drawbar: NAA, Jubilee, 501, 600, 700, 800, 900, 2000, 4000. This item is a suitable alternative for the following: CBPN804A