I Have A 46 In Murry With 18.5 Engine Need To Find The Model Needing A Deck.the Id Under Seat Is Unreadable All I Have Is A Tag On The Motor.can Anyone Help?

Motor-42a707
Type - 123801
Code -9512085a

The numbers you have given only pertain to the briggs and stratton engine only. Sorry, this has nothing to do with the units identification. Wish I could be of more assistance.