Direct Drive Washer Motor Coupling

Washer would not spin or agitate made a grinding noise. Looked at the couplings did not look to bad but decided to replace since had the washer apart. The coupling on the motor side was removed, looked worn but the center looked circular instead of squared. When trying to put new coupler on the motor the spindle looked circular and the coupler would not fit and broke. Seems line the old coupler got striped and the spindle was worn and is now circular. Not sure if I should try to file it down so a new one would fit or not.