| Model | 9670 STS |
|---|---|
| Years Produced | (2008-2012) |
| ENGINE† | |
| Horsepower, Rated - hp (kW) | 305 (227) |
| Horsepower, Maximum - hp (kW) | 338 (252) |
| Power Boost - hp (kW) | 33 (25) |
| Engine Make | John Deere 6 cyl 9.0 L |
| Piston Displacement - cu in (L) | 548 (9) |
| Emission Tier Level | Tier 3 |
| Fuel Tank Capacity - gal (L) | 250 (946) |
| Diesel Exhaust Fluid (DEF) Tank Capacity, gal (L) | No DEF |
| FEEDING SYSTEM† | |
| Drive | Fixed or Variable |
| Conveyor | Under-shot slat |
| Width - in (mm) | 55 (1397) |
| Length - in(mm) | 68-in. (1727mm) |
| Fixed Speed | 520 rpm |
| Variable Speed | 520-780 rpm |
| Reverser | Standard |
| Stone / Rock Protection | Stone Trap |
| THRESHING & SEPARATING SYSTEM† | |
| Threshing System Type, Rotary or Conventional Cylinder | Rotary |
| Number of Rotors or Cylinders | 1 Rotor |
| Rotor or Cylinder Description | 15 threshing elements plus 24 separator tines |
| Rotor or Cylinder Diameter - in (mm) | 30 (762) Threshing |
| Rotor or Cylinder Length - in (mm) | 123 (3124) |
| Rotor or Cylinder Speed Range - rpm | 210 - 1000 |
| Threshing Area Wrap - degrees | 180 |
| Concave Adjustment | Electro-Mechanical |
| Concave Area | 1705 sq in. (1.1m2) |
| CLEANING SYSTEM | |
| Pre-Cleaner | 1519 sq in (0.98 m2) |
| Chaffer/Extension Area | 2934 sq in (1.89 m2) |
| Sieve Area | 2511 sq in (1.62 m2) |
| Total Sieve Area - sq in (sq m) | 6,964 (4.49) |
| Leveling System Available | Optional |
| Cleaning Fan Description | 12 Blade - Scroll Type |
| Cleaning Fan Speed Range - rpm | 620 - 1200 |
| GRAIN HANDLING SYSTEM | |
| Grain Tank Capacity, Standard - bu (L) | 300 (10572) |
| Unloading Rate - bu/sec. (L/Sec) | 3.3 (116) |
| Unloading Auger Length, Standard - ft-in (m) | 22' 6" (6.86) |
| Optional Auger Length - ft-in (m) | 26' 0" (7.92) |
| Reach from Machine Center, Standard Auger - ft-in (m) | 25' 1" (7.65) |
| Reach from Machine Center, Optional Auger - ft-in (m) | 27' 7" (8.44) |
| TIRES and TRACKS | |
| Reference Drive Tire Size | 800/65 R32 (30.5L R32) |
| Steering Tire Size | 480/85 R26 (18.4R26) |
| Rubber Tracks Available | No |
| WEIGHTS and DIMENSIONS, without Header | |
| Weight, 2WD - lb (kg) | 32,661 (14815) |
| Wheelbase, 2WD - in (mm) | 138 (3505) |
| Transport Height - ft-in (m) | 14' 9" (4.50) |