Welcome to MTF. What you have there is a MTD 760-960 garden tractor. The engine horse power will indicate the exact model. If it is a 10 horse engine it is the 760, the 12 horse engine is the 860 and the 16 horse engine is the 960. These are very good tractors. I have never heard of a Keen Kutter version of the MTD so I will have to add that name to my list of who sold what.
If you can get the engine code info off of the shroud I can look up the year and get you the online owners manual for the tractor.
If you can get the engine code info off of the shroud I can look up the year and get you the online owners manual for the tractor.