
612FC
Corn Head
Features
712FC Folding Corn Head
Each of the outer three rows of the 712FC fold hydraulically from the cab to allow for narrow transport width during road transport between fields or for storage.
Feature benefit:
- Eliminates the need for header transport trailer, reducing the cost of total harvesting equipment.
- Reduces nonproductive harvesting time used to mount header to a transport trailer and reattach it to the combine at the next field.
Theory of operation
Folding cylinders
Two large, durable-frame folding cylinders provide smooth hydraulic force to move the corn head wings from the working position or field position to the transport position.
Gen 4 display
The control of the 712FC folding function is integrated into the operator cab of S-Series Combines. Operators can fold the 712FC quickly and easily from the Gen 4 display screen without leaving the cab.
Hydraulic deck plates
Hydraulically adjustable deck plates allow the operator to adjust the deck plate opening while on the go in order to match changes in stalk or cob size as well as crop conditions.
Feature benefit:
Improved separator performance through minimized material-other-than-grain (MOG) intake
Reduce ear loss to maximize potential yield.
Maximized potential yield through reduced ear loss
Improving sample quality through minimized premature shelling and kennel damage
Functionality:
Hydraulic deck plate feature is controlled on the go from the cab by the operator with the multifunction control handle.
Deck plate spacing
The deck plate spacing indicator is displayed on the corner-post display and on the Gen 4 display on the armrest.
Deck plate resume is also featured with hydraulically-adjustable deck plates. Three deck plate positions can be programmed for varying crop conditions using the resume feature.
Feelers signal to the combine to keep it on the row
AutoTrac RowSense is a solution that increases machine efficiency and reduces operator fatigue for corn growers. AutoTrac RowSense offers operators the same high levels of convenience and productivity experienced in other crops or with AutoTrac-equipped tractors and AutoTrac RowSense on self-propelled sprayers.
Feature benefit:
- Maintains harvesting efficiency in down crop and low-visibility (dusty) conditions.
- Increases the acre-per-hour performance potential and reduces grain loss.
- Enhances operator comfort and reduces operator stress.
Functionality:
StarFire™ position receiver picks up signal
StalkMaster row-unit
The StalkMaster corn head chopping system allows operators to size and chop corn stalks while harvesting, eliminating second-pass operations and saving time. StalkMaster is available on 706C, 708C, 708FC, 712C, 712FC, 716C, and the 718C Corn Heads.
Feature benefit:
Uniform sizing of corn stalks to speed decomposition and provide for soil protection from wind and water.
Eliminates the need for the second-pass operation to size stalk residue, saving time and expense.
Agronomic needs of individuals matched easily because the StalkMaster can be equipped with either intermeshing or opposed knife stalk rolls.
Ultimate flexibility to chop or not chop when desired through a quick,no tools required disconnect feature
Functionality
StalkMaster chopping blades
Each StalkMaster row-unit gearcase is equipped with two heat-treated and wear-coated rotating blades positioned below the stalk rolls. As stalks are pulled through the rolls stalks are cut to size and distributed evenly throughout the row. If the blades encounter an obstruction they will swing backward avoiding damage and interruption to harvest. Blades can be reversed to extend their useable wear life.
StalkMaster chopping disconnect feature
The gearcase on the StalkMaster row-units feature a no tools needed disconnect. Each row has a convenient shifting lever on the right side of the gearcase to turn the function on or off in a matter of minutes.
StalkMaster gearcase
A heavy-duty slip-clutch design protects both the row-unit gearcase and the StalkMaster lower chopping unit gearcase. If the clutch slips, the operator will know immediately.
712C right-hand side and drive shaft
Enclosed chain cases drive the gathering chains and stalk rolls for each row to provide robust durability and uninterrupted harvesting. Heavy-duty bearings mounted in machined castings along with O-ring seals increase life and improve serviceability.
Rubberized curtains
Steel-protective shield
StalkMaster chopping heads feature side- and rear-mounted rubberized curtains to optimize chopped crop residue distribution. Also, the right-hand side of the head has an additional shield for protection from protruding blades.
Larger sprockets and chain
Continuous-loop American National Standards Institute (ANSI) #100 chain allows for higher loads and longer life by eliminating all connector links and half links. The large-diameter sprockets along with large 38-mm (1.50-in.) transverse hex back shaft and row-unit shafts provide improved sprocket and chain life.
Telescoping drive shaft
Telescoping drive shafts mount to the splined feederhouse back shafts on all 50, 60, 70, W-, T-, C-, and S-Series Combines.
The coupler features an 8-degree index, allowing the operator to match the drive shaft splines without rotating the platform feederhouse.
Telescoping drive shafts:
- Feature fast, no-tools coupler
- Can be retrofitted to earlier 90 Series and 40 Series Corn Heads
700C row unit
The opposed knife stalk rolls are the best equipment option when typical corn harvesting conditions are dry and producers are using the StalkMaster™ stalk chopping option.
Feature benefit:
Majority of stalk material will be sized at 304.8 mm (12 in.) or longer to provide soil protection from wind and water
Designed to harvest with low power consumption for high performance and low fuel consumption
They are manufactured of highly durable material with an added wear coating for increased wear life.
Functionality
Opposed knife stalk roll
Rolls are designed with eight opposed, full-length blades that result in better stalk control, improved stalk processing, and reduced material-other-than-grain (MOG) intake. This eight-blade design improves function and reduces localized blade wear in the front of the rolls. Rolls are constructed of austempered ductile iron material with a flux-fused dual coating in the front and 7.6 cm (3 in.) of high-wear zone for longer life.
The stalk rolls turn at 1050 rpm when back shaft speed is at 700 rpm. The tip speed compared to the gathering chain speed is optimized to reduce MOG intake and increase overall capacity while minimizing losses.
The single-piece cast knife roll design provides excellent serviceability when replacement is required.
