This part is commonly Used on models:
31890 60in Side Discharge Rotary Mower, Groundsmaster e3200 2-Wheel Drive Traction Unit
31891 60in Rear Discharge Rotary Mower, Groundsmaster e3200 2-Wheel Drive Traction Unit
31892 72in Side Discharge Rotary Mower, Groundsmaster e3200 or e3300 Traction Unit
31893 72in Rear Discharge Rotary Mower, Groundsmaster e3200 or e3300 Traction Unit