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- John Deere 9770 STS vs. John Deere 9870
John Deere 9770 STS vs. John Deere 9870
1 reasons to buy John Deere 9770 STS:
Operation
Operational weight without attachment | 14862 kg and 16381 kg | 9 % less or 1519 kg |
7 reasons to buy John Deere 9870:
Purifying system
Total purification area | 5.3 m2 and 4.5 m2 | 15 % more or 0.8 m2 |
High cleaning fan speed | 1250 rev / min and 1200 rev / min | 4 % more or 50 rev |
Operation
Fuel Capacity | 1155 l. and 945 l. | 18 % more or 210 l. |
Motor
Displacement | 13.5 l. and 9 l. | 33 % more or 4.5 l. |
Power | 328.1 kW and 268.5 kW | 18 % more or 59.6 kW |
Forced pressurization power | 351.2 kW and 287.1 kW | 18 % more or 64.1 kW |
Grain reception and processing
Discharge auger conveyor length | 6.9 m and 6.6 m | 4 % more or 0.3 m |
Neutral reasons:
Threshing device
Rotor high speed | 1000 rev / min and 1000 rev / min |
Concave zone | 1.1 m2 and 1.1 m2 |
Rotor diameter | 750 mm and 750 mm |
Rotor length | 3130 mm and 3130 mm |
Low rotor speed | 210 rev / min and 210 rev / min |
Supply
Transporter width | 1397 mm and 1397 mm |
Transporter length | 1727 mm and 1727 mm |
Separation/division
Type of separator | turning and turning |
Separation zone | 1.5 m2 and 1.5 m2 |
Purifying system
Low cleaning fan speed | 620 rev / min and 620 rev / min |
Motor
Cylinders number | 6 and 6 |
Manufacturer | John Deere and John Deere |
Power measured at | 2200 rev / min and 2200 rev / min |
Grain reception and processing
Grain tank volume | 10600 l. and 10600 l. |
Unloading rate | 116.3 l/sec and 116.3 l/sec |
Discharge/unloading height | 4.4 m and 4.4 m |
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