There is 6 x 8 x 1/2-inch wall tubing at the front and rear of main frames and throughout. All main frames and large wings use a dual walking tandem axle design, while the small wings use single wheels with the same 3-inch spindle for commonality of parts. The main frame uses 20 ply tires to match the weight of the drill.
Lift-Assist Rear Hitch
Weight is automatically transferred to the lift-assist hitch and tractor drawbar during wing up by an accumulator system on the drill. Used on the larger drills, the lift-assist hitch allows drills from 40 to 60 feet with no reconfiguration of the main frame undercarriage.
Down Pressure Cylinders
Down pressure for each of the tool bars on the 9800 drill is loaded by hydraulic cylinders connected in a parallel circuit. Down pressure is uniform across the drill and through the entire range of motion of the tool bars, a marked improvement over springs that increase down pressure when stretched or compressed.
Down Pressure Control Box
The row-unit down pressure is controlled by the operator on the go. The current down pressure is displayed at the top of the control box. Increasing and decreasing down pressure across the drill is as simple as turning the knob below the screen. Down pressure can be set from carrying none to all of the drill weight on the toolbars.
The bulkhead at the rear of the drill has the connections for the air system neatly arranged and labeled for operator convenience. Placing all of the connections above the hitch point keeps them out of harm’s way.
Tool Bar Lock-Up
The operator can lock up the tool bars with a simple twist of the spring-loaded handle, which is especially desirable when working on the row units or in transport. When released, the rod engages the tab of the frame. The lock-up rod is robust enough to hold even if the tractor hydraulics are engaged to lower the units.
Tool Bar Connecting Point
The row units on the 9800 drill are connected with four bolts at the rear of the frame. Adding mid-row fertilizer units is as easy as unbolting the joint and installing the fertilizer assembly with longer bolts. Row units can also be easily removed for more intensive maintenance with the assistance of hooks on the tool bar and fertilizer.
Each 30-inch wide tool bar on the 9800 single-disc drill consists of two pairs of seeding discs and two packer tires. Additionally, the tool bar can be configured with optional mid-row nutrient placement disc openers. Each pair of seeding discs is mounted horizontally. With all of the openers in a single row, the opener spacing stays uniform in turns and when drifting on side slopes.
Depth-control collars on each frame lift cylinder give a visual confirmation that they are at the correct depth. Utilizing the same combination of collars on each cylinder ensures uniform seeding depth and warns the operator of improper operation if the cylinder does not collapse to the collars. Depth adjustment can be done in a few minutes at the lift cylinders. No changes at the seed openers are required.
Depth-Control Progression Chart
A decal on the drill frame displays the progression of the depth collars so the operator does not have to guess or get out the tape measure to make small changes in depth. By finding the pattern of the stops in the cylinder, the operator can look to the next block to the left or right to find the pattern for the smallest possible depth change.
Optional blockage sensors are installed in the final runs to warn the operator if any lines are plugged to slow down significantly. These sensors are wireless and transmit to the tractor cab on an iPad®.
Mid-Row Fertilizer Depth Cam
A cam block in the holder on the mid-row fertilizer units allows the operator to set the depth of the openers higher or lower in relation to the seeding depths. Rotating the cam to the different depth slots allows the operator to control fertilizer depth precisely.
Packer-Wheel Lateral Adjustment
Packer wheels can be adjusted to one of three positions in the axle tube. This one-time adjustment can be made during first use to align the packer tires optimally with the seed furrow.
Single manifold kits on the 9800 drill accurately deliver seed and fertilizer to the seeding units. Dual manifold kits place fertilizer separately in the mid-row fertilizer units.
Variable-Spacing Manifold Lids
Seeding every other row or seeding row crops on 6/24 or 9/21 inch spacing can be accomplished simply by replacing the manifold lid. Unwanted rows are blocked out uniformly so that manifold accuracy is not affected. A 15-inch spacing is also available by swapping two delivery hoses on each 30-inch tool bar.