You are looking at an ULTRA heavy duty Lot clearing rake made by Jisan specifically for a CAT 320. The rake is 65 wide and weighs over 1,700lbs. The pin holes are 80mm to fit your CAT 320 perfectly. 80mm Pin Holes 12-1/4" Clear between the Boss Ears 17-1/2" Center to Center.
I have a skid steer on sight to load it on your trailer.