Genuine Toro 106-3987 Recycler Driver 106-3999 Spacer Blade Adapter 104-8695 Lawn-Boy

Genuine Toro 106-3987 Blade Adapter & Spacer Driver 106-3999 Lawn Boy

If you’re replacing this part, make sure you have spacer!

This is the adapter that goes from engine to the blade and has pulley for the front wheel drive.

Superseded part numbers 104-8695, 104-8687 Recyclers 2002 & Newer

This adapter has been used since 2002 and it still the current adapter. Used in 201 different models.

If getting vibration from your mower this could be part of the reason.

This part is used in 201 models.

Model: 10604 (20in Mulching/Rear Bagging Lawn Mower)

Model: 10606 (20in Mulching/Rear Bagging Lawn Mower)

Model: 10607 (20in Mulching/Rear Bagging Lawn Mower)

Model: 10624 (20in Mulching/Rear Bagging Lawn Mower)

Model: 10627 (20in Mulching/Rear Bagging Lawn Mower)

Model: 10634 (20in Mulching/Rear Bagging Lawn Mower)

Model: 10640 (20in Mulching/Rear Bagging Lawn Mower)

Model: 10640C (20in Mulching/Rear Bagging Lawn Mower)

Model: 10641 (20in Mulching/Rear Bagging Lawn Mower)

Model: 10641C (20in Mulching/Rear Bagging Lawn Mower)

Model: 10642 (20in Mulching/Rear Bagging Lawn Mower)

Model: 10642C (20in Mulching/Rear Bagging Lawn Mower)

Model: 10643C (20in Mulching/Rear Bagging Lawn Mower)

Model: 10644C (20in Mulching/Rear Bagging Lawn Mower)

Model: 10645 (20in Mulching/Rear Bagging Lawn Mower)

Model: 10646 (20in Mulching/Rear Bagging Lawn Mower)

Model: 10647 (20in Mulching/Rear Bagging Lawn Mower)

Model: 10649C (20in Mulching/Rear Bagging Lawn Mower)

Model: 10650C (20in Mulching/Rear Bagging Lawn Mower)