This is a replacement Char-Lynn 11.9 cubic inch hydraulic winch motor. It isused on the Hydraulic assembly of the Century 1040S SDU heavy duty wrecker witha DP Winch from Miller Industries. To view which specific models this winchmotor fits, see Features below. To view the part schematics, see the Brochuretab.Fits: Century 1040S SDU (2000 – Current)