SnowDogg Part # 16154220 - MD Plow Hydraulic Lift Cylinder 1-1/2 x 6 in. is used on all sizes of the SnowDogg MD series straight blade snow plows. This is the hydraulic cylinders which is located on the lift frame of your MD plow. The cylinder allows the plow to raise and lower. This is an OEM cylinder manufactured by SnowDogg and specifically made for the smaller MD plows. Don't be tricked with aftermarket hydraulic parts. By SnowDogg brand to ensure you're parts are warrantied.