The McCormick 6637333A3 is a genuine OEM left lift arm designed for McCormick CX series tractors, including models CX100, CX105, CX110, CX50, CX60, CX70, CX75, CX80, CX85, CX90, and CX95. This essential component for the tractor's three-point hitch system ensures reliable implement attachment and lifting. It is also cross-referenced as Case IH part number 193072A1 and fits various Case IH CX series tractors such as CX100, CX50, CX60, CX70, CX80, and CX90. Weighing 14.00 kg, this robust lift arm provides durability and precise fitment for agricultural applications.