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John Deere
S7 900
Combines

John Deere S7 900

Starting at

Analyze Key Insights for Better Decisions Next Year

Harvest data becomes next season’s advantage. Yield maps, grain quality, and machine analytics in John Deere Operations Center™ help refine seed placement, fertility plans, and hybrid selections. Combined with precision upgrades and automation, insights turn into consistent execution—setting the stage for better results next year.

Person working at a desk using a keyboard and mouse while viewing a large monitor displaying a detailed map interface; a laptop and desk lamp sit nearby in a bright workspace
Make Every Minute of the Harvest Window Count

John Deere delivers harvesting solutions matched to your operation, with a full portfolio of combines and front end equipment to hit your harvest window. Automation like Machine Sync, Auto Unload, and Predictive Ground Speed boost productivity, while integrated technology, parts, and Precision Upgrades help your combine adapt to changing crops and conditions—season after season.

Combine harvester cutting a golden wheat field while unloading grain into a tractor with a green grain cart; dust rises behind the machinery and a tree line borders the field under a partly cloudy sky
Helping You Harvest with Confidence

Changing harvest conditions can be overwhelming. John Deere automation takes the pressure off by optimizing combine settings, guiding precise turns, and managing unloads on the go—protecting yield, reducing grain loss, delivering clean samples, and keeping you focused on feeding the machine, and less on adjusting, steering, or unloading.

Close-up of a G5Plus CommandCenter Display showing the Harvest Settings Automation run page
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Engine
Engine Make

John Deere JD14 13.6 L

Emissions Certifications

Final Tier 4 / Tier 3 (Australia/New Zealand)

Rated Engine Speed

2000 rpm

Rated Engine Power

543 hp

Rated Engine Power

405 kW

Rated Engine Power

551 PS

Maximum Engine Power

617 hp

Maximum Engine Power

460 kW

Maximum Engine Power

626 PS

Power Boost @ Rated Speed

50 hp

Power Boost @ Rated Speed

37 kW

Power Boost @ Rated Speed

50 PS

Feeding
Feeding Drive Type

Fixed or multi-speed

Conveyor Chain Slat Type

Four-strand chain with formed steel slats

Feeding Width

55 in.

Feeding Width

139.7 cm

Feeding Length

67.9 in.

Feeding Length

172.5 cm

Feed Accelerator, Stone Trap (FAST)

Standard

Feed Accelerator, Stone Trap (FAST) - Reverser

Standard

Threshing / Separating
Separator Type

Rotary

Rotor Length

123 in.

Rotor Length

312 cm

Rotor Diameter

30 in.

Rotor Diameter

76.2 cm

Rotor Speed Range - Low

210-530 rpm

Rotor Speed Range - High

400-1000 rpm

Concave Area

11.8 sq ft

Concave Area

1.1 m²

Separating Area

21.4 sq ft

Separating Area

1.54 m²

Discharge Grate Area

4.8 sq ft

Discharge Grate Area

0.45 m²

Cleaning
Front Chaffer

5.4 sq ft

Front Chaffer

0.5 m²

Chaffer Area

26.9 sq ft

Chaffer Area

2.5 m²

Sieve Area

22.6 sq ft

Sieve Area

2.1 m²

Total Cleaning Area (Louvered)

54.9 sq ft

Total Cleaning Area (Louvered)

5.1 m²

Cleaning Fan Speed - Minimum

620 rpm

Cleaning Fan Speed - Maximum

1350 rpm

Grain Handling
Grain Tank Size

400 bu

Grain Tank Size

14100 L

Unloading Auger Length

22.5, 26 or 28.5 ft

Unloading Auger Length

6.9, 7.9 or 8.7 m

Peak Unloading Rate

4.2 bu/sec

Peak Unloading Rate

150 L/s

Capacities
Fuel Tank Capacity

330 gal.

Fuel Tank Capacity

1250 L

Dimensions & Weights
Front Axle Weight

24511 lb.

Front Axle Weight

11116 kg

Base Machine Weight

49141 lb.

Base Machine Weight

22286 kg

Additional Information
Country of Manufacture

USA, East Moline, Illinois

Date Collected

2023-11-14