John Deere 9860 STS Combine

Contents

Engine Details
Operational Specs
Feeding
Threshing
Separating
Cleaning System
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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