The Zetor 16121111 is a genuine OEM 2nd speed gear designed for Zetor tractors. This robust gear features 34 teeth and is engineered for reliable performance within the transmission system. It is compatible with a wide range of Zetor models, including the 5011, 5211, 6211, 7211, 7711, and newer series like 3320, 4320, 5320, 6320, 7320, 3321, 4321, 5321, 6321, and 7321, ensuring precise power transfer and smooth operation. With a weight of 1.00 kg and dimensions of 60mm length, 60mm width, and 30mm height, it meets original factory specifications.