Our air filters are compatible with excavator: E17, E19, E20, E25, E26,E32, E32I, E35, E35I, E42, E45, E50, E55, E85. And it is suitable for Bobcat Loaders: A770, S450, S510, S530, S550, S570, S590, S595, S630, S650, S740, S750, S770, S850,T450,T550, T590, T595, T630, T650, T740, T750, T770, T870.