Combines price of 1989 1660 and other questions

Saw a very clean 1680 4WD w_ 1770 engine hrs., 20' 1020 flex head and 8 row corn head sell at auction last Thursday in North Carolina for $27,750. Also, a mid-90's JD 9400 4WD w_ 922 flex head and 5 row narrow corn head w_ Hopper Top extensions for $34,500. Both were alot of machine for the money.

HElP!!!!!I can't find a cross flow fan for a CaseIH1660....1989 in desparate need for 2000 combine season