The McCormick 3688915M91 is a genuine OEM lift arm designed for various McCormick X6 and X7 series tractors, as well as compatible Landini models. This robust component is crucial for the proper functioning of the tractor's hydraulic three-point linkage system, providing strength and durability for heavy-duty agricultural operations. It measures approximately 780 mm in length, 200 mm in width, and 140 mm in height, with a weight of about 6.4 kg.