Courage 18hp Repower

Hope this is the correct forum, I have a Tractor supply Cub Cadet LX1 42" with the Courage 18hp SV541. The engine blew and I'd like to repower it. The rest of the tractor is in good shape, short of an exact match I'm looking for info on what would be the closest match for ease of swapping? Any info would be appreciated, thanks