1317280 -MUNICIPAL SNOW PLOW HITCH ASSEMBLY - PENN DOT STYLE, 3 INCH CYLINDEROne New Aftermarket Replacement Municipal Snow Plow Hitch Assembly Penn DOT Style with 3 Inch Cylinder This municipal grade snow plow hitch assembly uses a Penn DOT style coupling system, designed for heavy duty highway and municipal plow trucks. The Penn DOT style coupling provides a single handle, hitch side locking mechanism for fast, secure plow mounting and dismounting. A telescoping lift arm ensures level plow lift, and the cylinder can be