John Deere S7900 Combines
John Deere S7900
5+
sold in last yearGeneral overview
The John Deere S7900 is a combine designed for harvesting grain crops in field operations. It is powered by a diesel engine rated at 399 kW (543 hp) and meets Final Tier 4 / Tier 2 emission standards. Built in the United States, it was produced from 2018 to 2024.
Its wheel propulsion and Fixed or MultiSpeed drive type support self-propelled field work, while the rotary separator handles crop separation during harvesting. The machine includes a 14,100 L (3,725 US gal) grain tank, a 7.9 m (25 ft 11 in) unloading auger, and an unloading rate of 135 L/s (2,140 gpm) for moving grain to transport equipment during harvest operations.
Year
2018, 2019, 2020, 2021, 2022, 2023, 2024
Country of manufacturing
United States
General specifications
Dimensions
Width
Height
Length
Weight
4,270 mm
~168.1 in
4,100 mm
~161.4 in
10,232 mm
~402.8 in
20,750 kg
~45,746 lb
Engine Power
580 hp
Emission standard level
Final Tier 4 / Tier 2
Grain tank size
14,100 L
Peak unloading rate
135 L/sec
Additional specifications
Engine type
Diesel
Displacement
823 cu(in)
Fuel tank
1,250 L
Type of propulsion
Wheel
Drive type
Fixed or MultiSpeed
Conveyor chain slat type
Cast Iron
Separator type
Rotary
Separating area
1.54 sq(m)
Front chaffer
0.5 sq(m)
Chaffer
2.5 sq(m)
Sieve area
2.1 sq(m)
Total cleaning area (louvered)
5.9 sq(m)
Unloading auger length
7.9 m
Unloading rate
135 L/sec
Concave area
1.1 sq(m)
Rated power
543 hp
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Most popular
What is the average price of a John Deere S7900?
No confirmed market price is supplied for the John Deere S7900. Check current listings and compare machine condition, location, and configuration.
What are the key advantages of the John Deere S7900?
Listed features include a rotary separator, 14,100 L grain tank, 135 L/s unloading rate, and 5.9 m² total louvered cleaning area. It also has wheel propulsion and is available with Fixed or MultiSpeed drive types.
What type of engine does the S7900 use?
The S7900 uses a Diesel engine with 823 cu in displacement.
How much horsepower does the S7900 have?
The S7900 has 580 hp engine power and 543 hp rated power.
What fuel does the John Deere S7900 use?
The John Deere S7900 uses Diesel fuel. Its listed fuel tank capacity is 1,250 L.
What jobs is this Combines best suited for?
The supplied specifications identify this machine as a combine with a rotary separator, grain tank, cleaning system, and unloading auger. They do not confirm particular crops, field conditions, or harvesting applications.
What is the expected lifespan of the S7900?
The supplied data does not confirm an expected service life for the S7900. Inspect maintenance records, engine condition, separator components, cleaning system, unloading equipment, and overall wear before purchase.
What should a buyer check when purchasing a used Combines?
Check service records, engine operation, fuel system, separator and concave wear, chaffer and sieve condition, conveyor chain slats, unloading auger operation, grain tank condition, tires, and drive function. Confirm that all controls and safety systems operate correctly.
