John Deere S770

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  • 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 S700 cab is common with tractors and sprayers for ease of use
  • Continued quality manufacturing of S-Series combines maximizes uptime and productivity


Engine type 548 cu in. (9.0 L)
Emission level Final Tier 4 / Tier 2 (Australia/New Zealand)
Rated speed 2,200 rpm
Rated power 391/373 hp (292/278 kW)
Power boost @ rated speed 34 hp (25 kW)
Fuel capacity 250 gal. (950 L)
Engine family ---
Drive type Fixed or variable or multi-speed
Conveyor chain slat type Cast iron
Width 55 in. (1,397 mm)
Length 68 in. (1,727 mm)
Feed Accelerator, Stone Trap (FAST) Standard
Reverser Standard
Threshing/ Separating  
Separator type Rotary
Rotor length 123 in. (3,124 mm)
Rotor diameter 30 in. (762 mm)
Rotor speed range 210-1,000 rpm
Concave area 1,705 sq in. (1.1 m2)
Separating area 2,390 sq in. (1.54 m2)
Discharge grate area 555 sq in. (0.36 m2)
Front chaffer 801 sq in. (0.5 m2)
Front chaffer extension ---
Pre cleaning ---
Chaffer 3,824 sq in. (2.5 m2)
Sieve area 3,255 sq in. (2.1 m2)
Total cleaning area (louvered) 7,905 sq in. (5.1 m2)
Cleaning fan speed 620-1,350 rpm
Grain handling  
Grain tank size 300 bu (10,600 L)