This part is commonly Used on models:
44424 Proline Commercial Walk-Behind Mower with 48in Floating Cutting Unit
44427 Proline Commercial Walk-Behind Mower with 54in Floating Cutting Unit
44430 Proline Commercial Walk-Behind Mower with 60in Floating Cutting Unit
44424TE ProLine Commercial Walk-Behind Mower with 122cm Cutting Unit
44423 Proline Commercial Walk-Behind Mower with 48in Floating Cutting Unit
