778 SPFH Corn Head
- John Deere
- Rotary Harvesting Heads
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Key Features & Specs
- Working width of 19.7 ft (6.0 m)
- Fast-turning saw blades cut all kinds of crop
- Intake fingers and gatherer drums for secure crop guidance
- Lengthwise feeding for optimal chopping quality
- Width 19.7 ft (6 m)
- Drum Configuration 4-Large Drums
- Number of Rows 8
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Advanced Header Control (AHC) sensors
The AHC sensors are located at the two outermost points from the header. The sensors continuously scan the ground and quickly adjust the height and inclination of the attachment. This quick adjustment guarantees a constant stubble height.
The AHC sensors are optional equipment for eight-, 10-, and 12-row machines.
Intake fingers and gatherer drums for secure crop guidance
After the fast-rotating blades cut the crop, the intake fingers push the plants into the gatherer drums that rotate in the same direction at low speeds. Every plant is pushed into the teeth of the gatherer drum. The specially designed shape of the teeth ensures that both small and large plants are conveyed in a secure way.
In the machine, the plants are taken off the back of the gatherer drum by scrapers. Depending on the width of the header, they are forwarded to the cross-feed drums or immediately fed into the angled feed drums in the middle of the machine.
- Every plant is individually and securely pushed into the gatherer drum (Performance).
Lengthwise feeding for optimal chopping quality
The header bundles the harvested crop perfectly and feeds it to the chopping unit of the self-propelled forage harvester (SPFH) lengthwise for an even cut. Only even, lengthwise feeding allows for the full use of the power installed on the SPFH.
- Bundling of lengthwise stalks is the basis for perfect chopping quality (Performance).
Fast-turning saw blades cut all kinds of crop
The saw blades of John Deere rotary crop headers cut quickly and thoroughly at a high speed of rotation. As the fast-turning blades cut the full width, crops can be harvested regardless of the row spacing. Thanks to this row-independent harvesting technology, the field can be worked from any side, which is particularly important for down crop.
The fast-turning saw blades allow crops with a lot of weeds to be harvested easily. Besides maize, a wide range of crops such as sorghum, whole crop silage, oilseed, canola, pampas grass, and miscanthus can be harvested.
- Fast turning saw blades can cut in difficult harvesting conditions to give the operator increased uptime.
- Headers can be used in various stemmed crops and there is no need for extra headers, which saves on the cost of operation.
Deflectors guide the plants to the rotors
Additional deflector plates (purple) guide the crop toward the blades. This results in a more even stubble height.
Third header height sensor
For eight-, 10-, and 12-row machines, the third sensor is optional equipment. The third sensor is only available in combination with RowSense™ system as it is installed in the central RowSense pointer.
The two-sensor Advanced Header Control (AHC) does a good job in most conditions. The optional third sensor is needed in extremely uneven terrain or on wide headers.
|Rotary harvesting unit||Length