This Blade is used on 14 Toro models Manufactured from 2015-2019.

Model: 131-3939-03P (Replacement Blade Kit, TimeCutter Riding Mower with 42in Mower)

Model: 74720 (TimeCutter SS 4200 Riding Mower)
Model: 74721 (TimeCutter SS 4225 Riding Mower)
Model: 74722 (TimeCutter SS 4225 Riding Mower)
Model: 74723 (TimeCutter SS 4250 Riding Mower)
Model: 74725 (TimeCutter SS 4200 Riding Mower)
Model: 74760 (TimeCutter MX 4250 Riding Mower)
Model: 74760TA (TimeCutter MX 4250 Riding Mower)
Model: 74765 (TimeCutter MX 4200 Riding Mower)
Model: 74766 (TimeCutter MX 4200 Riding Mower)
Model: 74766TA (TimeCutter MX 4200 Riding Mower)
Model: 74784 (TimeCutter SW 4200 Riding Mower)
Model: 74785 (TimeCutter SW 4200 Riding Mower)
Model: 74787 (TimeCutter SWX 4250 Riding Mower)