The ProTrakker WS9000T Hydraulic Hitch is specific to the John Deere 9000 series track tractors, 9000T and 9000RT. For implement correction or for dampening, control the wide swing mechanism on these tractors the way you want with the WS9000T. Compatible with a range of control options for sub-inch row accuracy, the WS9000T delivers implement correction and consistent repeatability year after year.