Hello
We can get you any part for your toro dingo trencher
We are selling a 12 tooth sprocket that fits Toro Dingo trencher attachments models 22459, 22465, 22470, 22471, 22473, 22474. It also fits Toro TRX trencher models TRX 15, TRX 16, TRX 19, TRX 20, and TRX 26
This sprocket is OEM and brand new
Not sure if this sprocket will work with your machine....please call or email with model and serial number
Call Everett for more information
703 919 1379