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Tillage EquipmentDrawn Strip-Till Solution
Strip-till is a growing minimum tillage solution that clears residue and tills 203 mm (8 in.) to 254 mm (10 in.) strips, leaving the rest of the row undisturbed. This allows operators to till where tillage matters, produce a nutrient-rich welcoming seed environment, reduce input costs, maintain yield, and maximize profitability.
Whether an operator prepares ground in the spring or fall, just one pass across the field with the John Deere strip-till tool will complete compaction management, nutrient application, and seedbed preparation, all in one pass. In many situations, producers moving from conventional tillage to strip-till have reduced trips across the field by as many as four passes. By only making one pass across the field, sustainability is at its peak. Strip-till reduces soil erosion, minimizes nutrient run-off, and conserves moisture, all while reducing input costs for the customer. Maximizing the efficiency of every liter or gallon of fuel is critical for boosting the profitability of farming operations.
John Deere ST Series Options
Customers can choose between dual coulter or shank tillage. Coulters will allow earlier field access to accelerate seedbed preparation. Shanks will increase soil fracturing in tough field conditions and allow for anhydrous ammonia application. Four bolts per row unit allow for simple change over between shank and dual coulter configurations. More ST Series options are listed below.
Model
Benefit
Number of Rows
Row Spacing
Fertilizer Capabilities
ST Integral
Maneuver easily in the field and in tight spaces
12, 16
762 mm (30 in.)
· Compatible with select third-party dry fertilizer application systems
· Anhydrous application using shank
ST Drawn
Reduce number of passes in the field by applying fertilizer while tilling
12, 16
762 mm (30 in.)
· Integrated dual 4,535 kg (5-ton) dry fertilizer tanks
· Anhydrous application using shank
18
508 mm (20 in.) 559 mm (22 in.)
With so much at stake, getting it right is not an option. Utilizing the suite of precision guidance tools, executing perfectly placed strips has never been easier.
John Deere Active Implement Guidance™ system
Utilizes integrated steerable hitch on drawn units to steer the implement to the guidance line provided by the StarFire™ receiver. Without Active Implement Guidance, implements can drift due to varying soil conditions and sloping terrain. Order as Active Implement Guidance Ready to include the required hydraulic cylinder, sensor mount, receiver mount, linkage, and hardware. The StarFire receiver is not included. A tractor-installed Application Controller 1100 is not included; order separately as needed.
AutoPath™ system
Uses data from the first strip-till pass to automatically create full-field guidance lines for the secondary passes such as planting, spraying, and harvest.
Shared signal
Enables StarFire receivers to share information when paired using implement guidance. This allows an implement’s StarFire receiver with lower accuracy to take advantage of the higher accuracy used by the tractor receiver.
AutoTrac™ system
Increases productivity in subsequent crop passes by reducing overlap and maximizing inputs.
Boundary fill
Creates guidance lines from the dimensions of the exterior boundary and track spacing. Allows the operator to work around fence lines and field boundaries with boundary track mode.
Model
Row spacing
Number of rows
Working depth
Row-unit travel
ST12 Integral - 9 m (30 ft)
762 mm (30 in.)
12
Up to 152 mm (6 in.) with dual coulters, up to 279 mm (11 in.) using shanks
203 mm (8 in)
ST16 Integral - 12 m (40 ft)
16
ST12 Drawn - 9 m (30 ft)
12
ST16 Drawn - 12 m (40 ft)
16
ST18 Drawn – 9 m (30 ft)
508 mm (20 in.)
18
ST18 Drawn – 10 m (33 ft)
559 mm (22 in.)
18
Applying fertilizer with a strip-till tool is becoming more common as customers seek to reduce compaction, increase efficiency, and improve profitability. The ST Drawn models have two integrated fertilizer tanks which have a capacity of 200 cu ft (160 bushels) each. The tool can carry up to 9,072 kg (20,000 lb.).
The ST Series fertilizer delivery system is equipped with stainless steel meters, integrated scales, and other technologies that enable optimal reliability and durability in the customer’s operation.
Benefits growers with rolling terrain, contours, or other field conditions that may affect implement drift. It ensures consistent strip alignment when making headland turns.
Enables plug and play functionality with the John Deere Active Implement Guidance™ Ready option.
The table below identifies which hitches are compatible with the integral and drawn models.
Model
Rows
Hitch type
Category
Minimum horsepower requirements
ST Integral
12
Integral 3-point connection (with quick hitch)
4/4N
224 kW (300 hp)
16
299 kW (400 hp)
ST Drawn
12
Drawn connection
4/4HD/5
268 kW (360 hp)
16
358 kW (480 hp)
18
403 KW (540 hp)
NOTE: Order as Active Implement Guidance Ready to include the required hydraulic cylinder, sensor mount, receiver mount, linkage, and hardware. The StarFire™ receiver is not included. A tractor-installed Application Controller 1100 is not included; order separately as needed.
John Deere ST Series offers the option of coulters or shanks with the ability to switch between them in changing field conditions.
Two vertically mounted blades spaced 127 mm (5 in.) apart with a maximum working depth of up to 152 mm (6 in.). There are several benefits to utilizing dual coulters such as:
Dual coulter option
Level of soil disturbance
508-mm (20-in.) 13-wave blades
Standard
508-mm (20-in.) 18-wave front and
508-mm (20-in.) 13-wave rear
Medium
508-mm (20-in.) 13-wave front and
508-mm (20-in.) 8-wave rear
Aggressive
Shanks have 13-mm (1/2-in.) NH3 tubes and two to four vapor knives. A shank is preferred for deeper nutrient banding and fracturing compacted soil layers and can be used for anhydrous application to place the nutrients in the upper area of the root zone. Operating depth is adjusted on shank equipped row units with two pins. The shallow setting is approximately 230 mm (9 in.), and the deep setting is approximately 280 mm (11 in.).
Model
Working width
Transport width
Transport height
Transport length
Weight
Operating clearance
Frame sections
Horsepower requirement per shank*
ST12 Integral
9.1 m (30 ft)
6.3 m (20 ft, 9 in.)
3.9 m (12 ft, 10 in.)
6.2 m (12 ft, 10 in.)
5,443 kg (12,000 lb)
508 mm (20 in)
3
19 kW (25 hp) – 24 kW (32 hp)
ST16 Integral
12.2 m (40 ft)
6,654 kg (14,670 lb)
5
ST12 Drawn
9.1 m (30 ft)
5.4 m (17 ft, 7 in.)
4.3 m (14 ft, 1 in.)
7.9 m (26 ft)
13,245 kg (29,900 lb)
3
22 kW (30 hp) – 28 kW (37.5 hp)
ST16 Drawn
12.2 m (40 ft)
4.5 m (14 ft, 9 in.)
14,288 kg (31,500 lb)
ST18 Drawn
9.1 m (30 ft)
4.6 m (15 ft)
16,103 kg (35,500 lb)
ST18 Drawn
10.1 m (33 ft)
16,556 kg (36,500 lb)
*The HP requirements above are for normal conditions. When pulling in tougher conditions or with additional trailed equipment such as fertilizer carts or tanks, an additional 15-20 percent HP may be needed.
The row-unit tillage depth is set based on achieving the desired outcome of the following factors: compaction management, fertilizer placement and berm creation. Depth settings vary between dual coulter and shank tillage options.
To enable consistent operating depths across the machine, the downforce system is split into two circuits: one for row-units that are running in wheel tracks (blue airline) and one for the remaining row-units (black airline). This allows for independent control of the rows running in a potentially more compacted portion of the machine. Operators can observe the parallel linkage position across the rows while operating and adjust the downforce as needed. The display will not read depth in inches. To accurately determine the depth, the operator needs to manually dig test strips to measure the actual depth and make any necessary adjustments to the airbag pressure.
Operating depth is set using the air pressure regulators mounted in the cab. These control the amount of pressure in the downforce airbag(s) located on each row-unit. Operating depth can be set from 5 cm (2 in.) to 15 cm (6 in.) by varying the downforce pressure.
Operating depth is adjusted on shank equipped row-units with two pins. The shallow setting is approximately 23 cm (9 in.), and the deep setting is approximately 28 cm (11 in.).
Optional floating row cleaners equipped with pneumatic cylinders are available. They are easily adjusted with the cab mounted air regulators to adapt to varying residue conditions.
Several functions of the strip-till tool can be controlled and regulated from the cab using a switch box that houses the following functions: