This part is commonly Used on models:
135-2604 2-Bag Collection System, Powered
78401 48in Blower and Drive Kit, E-Z Vac Standard Bagger for TITAN HD 1500 or 2000 Series Riding Mower
78402 52in Blower and Drive Kit, E-Z Vac Standard Bagger for TITAN HD 1500 or 2000 Series Riding Mower
78403 60in Blower and Drive Kit, E-Z Vac Standard Bagger for TITAN HD 1500 or 2000 Series Riding Mower
142-8782 2-Bag Collection System, Powered