Application of Number Range: For Bobcat Excavator 325, 328, 331, 334, 337, 341. For Bobcat Skid Steer A220, 450, 453, 463, 553, 653, 751, 753, T190, S70, S100, S130, S150, S160, S175, S185, S205, S220, S250, S300, S450, S510, S530, S550, S570, S590, S595, S630, S650, S740, S750, S770.