Combines 900 series head on 50 series machineIJ

Ask your JD dealer for a 16 pin to 31 pin adapter that will enable the auto reel speed and HHR option.

Thanks for your reply - you wouldn't have a part number for the rigid headIJ Is there different adapters for different head sizesIJ

Adapter for rigid head is BH81641, it work for all header size.

Thanks for your help.