This part is commonly Used on models:
30366 60in Side Discharge Mower, Groundsmaster 3320 and 3280-D
30368 72in Side Discharge Mower, Groundsmaster 3320 and 3280-D
30403 Base 62in Mower, Groundsmaster 3320/3280-D Traction Unit
30404 Base 72in Mower, Groundsmaster 3320/3280-D Traction Unit
30551 62in Side Discharge Mower, Groundsmaster 200, 3320 and 3280-D Series Traction Unit
30555 52in Side Discharge Mower, Groundsmaster 200, 3320 and 3280-D Series Traction Unit
30716 72in Guardian Recycler Mower, Groundsmaster 300 Series Traction Unit
30710 72in Rear Discharge Mower, Groundsmaster 300 Series Traction Unit
30722 72in Side Discharge Mower, Groundsmaster 300 Series Traction Unit
31335 72in Guardian Recycler Mower, Groundsmaster 3280-D Traction Unit
31336 72in Side-Discharge Mower, Groundsmaster 3280-D Traction Unit
