John Deere

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John Deere S790 Combine

The John Deere S790 Combine has a 400-bu grain tank. Learn more ...

Features and Benefits

  • The S700-Series Combines provide growers unprecedented performance and capacity for all crops and conditions. The unique single-tine separator system provides superior crop handling performance, high levels of productive capacity, and excellent quality of harvested grain.
  • The S790 is capable of handling all header sizes up to 13.7-m (45-ft) in width. For matched capacity, it is recommended to use the 13.7-m (45-ft) cutting platforms and the 16- or 18-row StalkMaster™ corn heads or the 16- or 18-row non StalkMaster corn heads. The S790 has many built-in performance, safety, service, and reliability features to make harvesting easier for the extra-large producer.
  • Combine Advisor™ package helps to set, optimize and automate main combine functions when conditions change
  • Fully automated yield sensor calibration with ActiveYield™ supplies accurate data with no time spent calibrating
  • Comfortable S790 cab is common with tractors and sprayers for ease of use
  • Continued quality manufacturing of S-Series combines maximizes uptime and productivity

SPECS

  • MANUFACTURER: John Deere
  • MODEL: S790 

ENGINE:

  • Engine type - 13.5 L 824 cu in.  
  • Emission level - Final Tier 4
  • Rated speed - 2,100 rpm  
  • Rated power - 405 kW 543 hp  
  • Power boost @ rated speed - 37 kW 50 hp  
  • Fuel capacity - 1,250 L 330 gal.  

FEEDING:

  • Drive type - Fixed or multi-speed  
  • Conveyor chain slat type - Cast iron  
  • Width - 1,397 mm 55 in.  
  • Length - 1,727 mm 68 in.  
  • Feed Accelerator, Stone Trap (FAST) - Standard 
  • Reverser - Standard 

THRESHING and SEPARATING 

  • Separator type - Rotary  
  • Rotor length - 3,124 mm 123 in.  
  • Rotor diameter - 762 mm 30 in.  
  • Rotor speed range - 210-1,000 rpm  
  • Concave area - 1.1 m2 1,705 sq in.  
  • Separating area - 1.54 m2 2,390 sq in.  
  • Discharge grate area - 0.45 m2 698 sq in.  

CLEANING:

  • Front chaffer - 0.5 m2 801 sq in.  
  • Front chaffer extension - 0.8 m2 1,224 sq in.  
  • Chaffer - 2.5 m2 3,824 sq in.  
  • Sieve area - 2.1 m2 3,255 sq in.  
  • Total cleaning area (louvered) - 5.9 m2 9,145 sq in.  
  • Cleaning fan speed - 620-1,350 rpm  

GRAIN HANDLING: 

  • Grain tank size - 14,100 L 400 bu  
  • Unloading auger length - 6.9 or 7.9 m 22.5 or 26 ft  
  • Unloading rate - 135 L/s 3.8 bu/sec  

BASE WEIGHT – LESS HEAD:

  • Front axle - 10,350 kg 22,818 lb  
  • Rear axle - 10,400 kg 22,928 lb  
  • Total machine - 20,750 kg 45,746 lb  
  • s790-v2
  • s790-v3
  • s790-v4
s790-v2s790-v3s790-v4
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