Toro 74501 deck replacement

Good morning, my father just purchased a used Toro 74501 2001 model with a 44 inch deck. He was able to get a good price on the unit but unfortunately the deck has started to rust out. Is there any replacement deck(plain without spindles/etc installed) that isn't $1500? maybe a newer deck that could be installed on it? Any help would be greatly appreciated.

Thanks, Joe

Toro 74501 deck replacement