IY系列液压传动装置型号总排量扭矩转速液压马达传动比制动器型号额定***高型号排量IY2.5-400375100011500-80GM05-75745Z05IY2.5-550550150017000-80GM05-751155Z05IY2.5-800770180020000-80GM05-751545Z05IY2.5-1000955200022500-80GM05-751915Z05)