The MS504 is an aftermarket hydraulic steering unit designed for a wide range of agricultural tractors, including Massey Ferguson, Ford, and Case IH models. This steering motor provides reliable hydraulic steering control, serving as a direct replacement for several OEM part numbers. Key technical specifications include a displacement of 80 cm³ per revolution, a maximum operating pressure of 160 bar, and a maximum flow rate of 20 L/min. It features a 19 mm tapered and keyed shaft and M18x1.5 port threads, with a standard 4-bolt mounting configuration. This unit is engineered to restore precise and responsive steering performance to compatible machinery.