John Deere 678
SPFH Corn Header Series 678
Overview:
With the 676 Row-Independent Header, you can cut in any direction, without worrying about row spacing. Large drums gather crop quickly, even in tall or downed crops. Great for dense, high-tonnage corn.
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Features
- Advanced header-height control
- Harvesting down or lodged crops
- Row scrapers and cleaners prevent crop buildup
Specifications
| Manufacturer | John Deere |
| Model | 678 Rotary Harvesting Unit |
| Rotary harvesting unit | |
| Length | 2.4. m |
| 7.8 ft | |
| Overall width | 6.1 m |
| 19.8 ft | |
| Height | 1.3 m |
| 4.3 ft | |
| Transport height | 2.3 m |
| 7.5 ft | |
| Operating width | 6 m |
| 19.7 ft | |
| Transport width | 3 m |
| 9.8 ft | |
| Weight | 3,000 kg |
| 6,614 lb | |
| Revolution rating calculated with forage harvester at a standstill without load | |
| Engine rpm | 2,330 rpm |
| Header drive shaft (shift rod pulled out for slow speed) | 405 rpm |
| Gathering drum | --- |
| Large | 20 rpm |
| Small | --- |
| Cutting blades for gathering drum | 640 rpm |
| Large | 640 rpm |
| Small | --- |
| Feed drums | 54 rpm |
| Cross feed drums | --- |
| Date collected |