2010 John Deere 9770 STS 4WD Combine, 3721 Engine Hours Showing, 2809 Separator Hours Showing, Engine:Make/Model: John Deere 6090HH008, Displacement: 9.0L. 385 Hp, Fuel Capacity: Approx. 250 U.S. Gal, Threshing & Separating: Single STS Rotary (Bullet Rotor), Round Bar Concave, Concave Area: Approx. 1,515 Sq Inches, Separator Area: 2,972 Sq Inches, Feederhouse: Contour-Master With Reverser And Variable-speed Drive, Grain Handling & Capacities: Grain Tank Size: 300 Bushels, Unloading Rate: 3.3 Bushels Per Second (approx. 200 Bu/min),Unloading Auger Length: 26 Ft, Dimensions & Weight, Wheelbase: 11 Ft 6 In (3.5 M)Transport Height: 12 Ft 9 In (3.9 M), Appr Weight: ~32,600+ Lbs, 4X4, Residue Slingers, Greenstar Ready. Front Duals 20.8R42 Goodyear R2, Rear Single 28L-26 Goodyear R2, SN: 1H09770SHA0737560