Just bought a used huskee riding mower model number is 13AI678G131 I can't find any info on this model number Any ideas?

based on the model number you have purchased a 1997 huskee limited edition 20 hp 42 in cut rider. I just got one myself two weeks ago as a second mower for my 4 acres. love the thing mows better than the Bolens I bought a few years ago. I have no manuals on it but can get you numbers and info on belts and blades if you need. these were sold at TSC stores and they carry a wide variety of parts for this mower on hand and can look up anything you need to know about it. hope this helps.