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John Deere 9860 STS Combine

Contents
  1. Engine Details
  2. Operational Specs
  3. Feeding
  4. Threshing
  5. Separating
  6. Cleaning System
  7. Grain Handling

Engine Details

Number Of Cylinders 6
Engine Make John Deere
Power 374.2 hp (279 kw)
Power Boost Power 407.7 hp (304 kw)
Power Measured @ 2200 rpm
Displacement 762.8 cu in (12.5 L)

Operational Specs

Fuel Tank Capacity 305.2 gal (1155 L)

Feeding

Conveyor Width 55 in (1397 mm)
Conveyor Length 68 in (1727 mm)
Conveyor Speed 520 rpm

Threshing

Rotor Diameter 29.6 in (750 mm)
Rotor Length 123.3 in (3130 mm)
Rotor Speed – Low 210 rpm
Rotor Speed – High 1000 rpm
Concave Area 1705.1 in2 (1.1 m2)

Separating

Separator Type Rotary
Separating Area 2387.1 in2 (1.6 m2)
Discharge Grate Area 558.1 in2 (0.4 m2)

Cleaning System

Total Cleaning Area 7099.1 in2 (4.6 m2)
Cleaning Fan Speed – Low 500 rpm
Cleaning Fan Speed – High 1200 rpm

Grain Handling

Grain Tank Capacity 300.9 bu (10600 L)
Unloading Auger Length 22.7 ft in (6.9 m)
Unloading Speed 3.4 bu/sec (116.3 L/sec)
Unloading Discharge Height 14.4 ft in (4.4 m)
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