Thanks Bushy and pre
I have downloaded the engine manuals from Briggs and Stratton.
Unable to upload pictures at the moment. I took photos of anything that looked like it could ID the mower.
Engine Briggs and Stratton
Model Type
252707 0658-01
Found the 4 digit code stamped on the front
2170
On one of the large drive pulleys
GT401 A
A label on the side panel was very faded and most had peeled off.
Part numbers are
Drive belt GT371
Cutter belt GT37?
2? ' Blades ?
?" Blades ?
Hope this helps.