John Deere 9660 STS Combine Harvester

Cleaning System

Cleaning Fan Speed – High 1200 rpm
Cleaning Fan Speed – Low 500 rpm
Total Cleaning Area 7,099 cu in (116,334 cu cm)

Engine

Displacement 494 cu in (8,100 cu cm)
Number of Cylinders 6
Power 305 hp (227 kw)
Power Boost Power 338 hp (252 kw)
Power Measured @ 2200 rpm

Feeding

Conveyor Length 68 in (173 cm)
Conveyor Speed 520 rpm
Conveyor Width 55 in (140 cm)

Grain Handling

Grain Tank Capacity 249.8 bu
Unloading Auger Length 21 ft (7 m)
Unloading Discharge Height 14 ft (4 m)
Unloading Speed 2.2 bu/sec

Operating Specifications

Fuel Capacity 250 gal (945 l)
Operating Weight w/o Attachment 30,682 lbs (13,917 kg)

Separating

Discharge Grate Area 558 cu in (9,146 cu cm)
Separating Area 2,387 cu in (39,118 cu cm)
Separator Type Rotary

Threshing

Concave Area 1,705 cu in (27,942 cu cm)
Rotor Diameter 30 in (75 cm)
Rotor Length 123 in (313 cm)
Rotor Speed – High 1000 rpm
Rotor Speed – Low 210 rpm
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