36 -Tooth Gear - Wheel Shaft Drive - Use with 11601 Drive Shaft in PTO Model Tillers.
Is the only replacement for 1221 in the older model tillers with the 1902 drive shaft and 1878 wheel shaft. The original 1221 has been discontinued.
Replaces Troy-Bilt part numbers:
2656
GW-2656
GW-1221
1221