John Deere 9770 STS Combine Harvester

Cleaning System

Cleaning Fan Speed – High 1200 rpm
Cleaning Fan Speed – Low 620 rpm
Total Cleaning Area 6,960 cu in (114,048 cu cm)

Engine

Displacement 549 cu in (9,001 cu cm)
Number of Cylinders 6
Power 360 hp (268 kw)
Power Boost Power 385 hp (287 kw)
Power Measured @ 2200 rpm

Feeding

Conveyor Length 68 in (173 cm)
Conveyor Width 55 in (140 cm)

Grain Handling

Grain Tank Capacity 300.9 bu
Unloading Auger Length 22 ft (7 m)
Unloading Discharge Height 14 ft (4 m)
Unloading Speed 3.3 bu/sec

Operating Specifications

Fuel Capacity 250 gal (945 l)
Operating Weight w/o Attachment 32,765 lbs (14,862 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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