Rear bumper bar and hitch kit For John Deere ZTrak Zero-Turn Mowers Z235, Z255, Z335E, Z335M, Z345M, Z345R, Z355E, and Z375R. Rear bumper bar and hitch kit for John Deere ZTrak Zero-Turn Mowers Z235, Z255, Z335E, Z335M, Z345M, Z345R, Z355E, and Z375R.