1992 Bounder Diesel Pusher motor seized. Buy and fix?

I already have an RV that costs me more than it's worth, and it was running perfectly when I got it in 2010
You never know when you will lose a radiator, or turbo, or injection pump, etc
And everything on a diesel engine is a big expense
He could spend $25,000 or $100,000 on another RV and blow something in a few months
He could put this all together and get another ten years or more use,
You just don't know