John Deere S770

Features
- 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
Specifications
Engine | |
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 | --- |
Feeding | |
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) |
Cleaning | |
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) |