MTD snowblower 40 inch attachment Model OEM-190-621, OEM-190-627MTD snowblower 40 inch attachment Model OEM-190-621. Quick research on internet suggests it would fit a MTD 600 series lawn tractor. May fit Cub Cadet or MTD related around 1999. May also work on TroyBilt. The item “MTD snowblower 40 inch attachment Model OEM-190-621, OEM-190-627″ is in.