1977 John Deere 6600 2WD Combine

1977 John Deere 6600 2WD Combine, 5,539 Engine Hours showing, John Deere 404 Cu In 6-Cyl Diesel Engine, 4-Speed Hydrostatic Transmission, Straw Chopper, Automatic Header Height Control, 28L-26 Front tires, 11.00-16 Rear Tires, NOTE: AC doesn't work, Customer States an unused drive belt for primary counter shaft was recently installed & machine was always kept in the shed, SN: 258132H