1306320 -OLD STYLE 4 AND 4-1/2 INCH MOTOR TO FIT WESTERN SNOW PLOWSOne New Aftermarket Replacement Hydraulic Pump Motor for Western Snow Plows (Old Style 4" and 4 1 2" Units) This electric motor is a direct replacement for the old style hydraulic pump motor used on early Western snow plows. It drives the hydraulic pump that raises, lowers, and angles the plow blade. Compatible with both the 4 inch and 4 1 2 inch motor housings found on these earlier generation Western units. The motor features a slotted shaft,