John Deere 9870 Combine

Contents

Engine Details
Operational Specs
Feeding
Threshing
Separating
Cleaning System
Grain Handling

Engine Details

Number Of Cylinders	6
Engine Make	John Deere
Power	440 hp (328.2 kw)
Power Boost Power	471 hp (351.3 kw)
Power Measured @	2200 rpm
Displacement	823.9 cu in (13.5 L)

Operational Specs

Operating Weight W/O Attachment	36114 lb (16381 kg)
Fuel Tank Capacity	305.2 gal (1155 L)

Feeding

Conveyor Width	55 in (1397 mm)
Conveyor Length	68 in (1727 mm)

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	1705.1 in2 (1.1 m2)

Cleaning System

Total Cleaning Area	8137.6 in2 (5.3 m2)
Cleaning Fan Speed – Low	620 rpm
Cleaning Fan Speed – High	1250 rpm

Grain Handling

Grain Tank Capacity	300.9 bu (10600 L)
Unloading Auger Length	22.5 ft in (6.9 m)
Unloading Speed	3.3 bu/sec (116.3 L/sec)
Unloading Discharge Height	14.4 ft in (4.4 m)

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