IY液压传动装置型号排量扭矩压力转数马达制动器重量IY2.5-520518952161-10005-752.550IY2.5-800805148005-110IY2.5-10501057194305-150IY2.5-13301337248705-200IY2.53-2400240845000.25-3005-902.53IY2.53-3200322060000.25-2505-1102.53IY2.53-4200422880000.25-2005-1502.53)