CIH 1660 combine - (boone in Ames, IA

[removed phone] ( IH engine ) 4170 hrs.
Standard rotor, rock trap, feeder reverser,
chaff spreader, chopper, grain loss monitor, 30.[removed phone] tires
The combine has been through the dealers shop every other year,The paint shines well, it gets waxed before harvest, front tires are firestone about 4 or 5 years old.It might use 2 qts of oil in 100 hrs. Has b