| Specifications: | |
|---|---|
| MANUFACTURER | John Deere |
| MODEL | 7850 LC |
| Engine | |
| Make | Cummins QSX15 |
| Displacement, cu. in. (L) | 915 (15L) |
| Configuration | inline 6, wet sleeve |
| Fuel Capacity, U.S. gal. (L) | 291 (1100) |
| Cooling system, U.S. gal. (L) | 25.8 (98) |
| Transmission, U.S. gal. (L) | 3.43 (13) |
| Final Drives, U.S. gal. (L) | 2.24 (8.5) |
| Power @ 1900 rpm, hp (ECE R24) | --- |
| Power @ 2100 rpm, hp (ECE R24) | --- |
| Footnote | --- |
| Power @ 1900 rpm, hp (ECE R120) | 680 |
| Power @ 2100 rpm, hp (ECE R120) | 635 |
| Footnote | --- |
| Feeding System | |
| Number of Feedrolls | 4 |
| Width of Housing, in. (mm) | 31.7 (805) |
| Metal Detector | standard |
| Harvesting Unit Drive | 2 speed |
| No. of length-of-cut changes, in. (mm) | --- |
| Optional Cutterhead | --- |
| Cutterhead | |
| Type | Enclosed angled knife holders |
| Width, in. (mm) | 31.7 (805) |
| Width - Shearbar surface, in. (mm) | --- |
| Diameter, in. (mm) | 24 (610) |
| Speed, rpm | 1200 |
| No. of knives | 40 or 48 |
| Knife Sharpening | |
| Reverse rotation | yes |
| Automatic from cab | standard |
| Reverse drive | hydraulic motor |
| Reverse speed, rpm | 300-600 |
| Kernel Processor | |
| Optional | yes |
| Removal of knives | --- |
| Roll diameter, in. (mm) | 9.45 (240) |
| Roll speed (upper), rpm | 3490 |
| Roll speed (lower), rpm | 2878 |
| Roll spacing, in. (mm) | 0.03125-1.2 (1-30) |
| Weight, lb. (kg) | 881 (400) |
| Quick-Change | yes |
| Row-Track Guidance | |
| Blower | |
| Diameter, in. (mm) | 22 (560) |
| Width, in. (mm) | 25 (632) |
| Standard speed, rpm | 1600 |
| Optional speed, rpm | --- |
| Number of paddles | 20 |
| Spout | |
| Rotation, degrees | 200 |
| Hydraulic height position | yes |
| Double-cap deflection | yes |
| No. of wear liners | 3 |
| Electrical system | |
| Type | 12 volt, 150 amp alternator |
| Batteries | 2 |
| Propelling Drive | |
| Transmission | |
| Maximum ground speed, mph(km/h) | |
| Main Clutch | |
| Rear Axle | |
| Weight, lb. (kg) | |
| With kernel processor and power rear axle | 28,571 (12,960) |
| Specifications are based on published information at the time of publication. Specifications are subject to change without notice. Contact your local John Deere dealer for more information. | |
| Prices are subject to change without notice. Prices are in dollars and only applicable to products sold in the United States. In all cases, current published price lists and incentive program bulletins will take precedence. All trademarked terms, including John Deere, the leaping deer symbol and the colors green and yellow used herein are the property of Deere & Company, unless otherwise noted. |