The Zetor 16420010 pump shaft is an original Zetor component designed for hydraulic pump applications in a wide range of Zetor tractors. This genuine OEM part ensures reliable power transmission within the hydraulic system, crucial for optimal tractor performance. It is compatible with Zetor models including 5211, 5245, 6211, 6245, 7211, 7245, 7711, 7745, 3320, 3340, 4320, 4340, 5320, 5340, 6320, 6340, 7320, 7340, 3321, 3341, 4321, 4341, 5321, 5341, 6321, 6341, 7321, and 7341 series.