1890

Features

Proven no-till openers provide excellent penetration with rugged durability

Seed placement with 90 Series Opener

90 Series Single-Disk No-Till Openers are in base equipment on all 1890 and 1895 Separate Fertilizer Placement (SFP) and 1990 Central Commodity System (CCS™) Air Drills.

On the 1890s, the single-disk openers are on 190-mm (7.5-in.) or 254-mm (10-in.) row spacing. On 15.25-m (50-ft) and 18.30-m (60-ft) 1890s, the 190-mm (7.5-in.)/380-mm (15-in.) or 254-mm (10-in.)/508-mm (20-in.) dual-row spacing feature is in base equipment. The single-disk openers provide consistent and accurate seed placement.

The single-disk openers are gang mounted and are hydraulically raised and lowered. The hydraulic downforce system also offers a wide range of downforce settings for the openers.

Active hydraulic downforce pressure valve

The active hydraulics:

Work in conjunction with the opener spring
Provide an adjustable range of 75 kg (165 lb) to 180 kg (400 lb) of down pressure per opener
- Benefit: Penetrate hard soils and heavy residue.
The cylinders allow the openers to travel up or down an additional 405 mm (16 in.) with active hydraulic down pressure to follow the ground
Provide the openers additional pressure when needed or allow the openers to go into relief if the pressure becomes too high

The down pressure:

Is easily adjusted with the pressure valve located on the front of the mainframe
Provides the operator the ability to quickly adjust, or dial in, the down pressure as operating conditions change

NOTE: For additional ballast in hard-to-penetrate conditions, tractor suitcase weights may also be added to the mainframe and wings to obtain maximum down pressure per opener.

The 90 Series No-Till Openers:

Work not only in no-till conditions, but also in minimum or reduced-till conditions
Provide 51 mm (2 in.) of free travel in the opener before spring down pressure takes over
- Benefit: Allows the opener to move over uneven ground conditions and minimize the chance of the gauge wheels bulldozing soil in soft or mellow conditions
- The opener spring travels a maximum of 200-mm (8-in.) up or 150-mm (6-in.) down before the hydraulics react to uneven seedbeds.

Weight brackets allow for additional ballast

Weights at rear of mainframe

Wing weight bracket (shown on 18.30-m [60-ft] 1890)

Additional weights may be required when seeding in dry, hard soils or in extremely high rates of residue. These weights may be removed when seeding in mellow or loose soils. A rear weight bracket and a weight bracket on the front corner of each wing are in base equipment on the 9.15-, 11-, 12.20-, and 12.95-m (30-, 36-, 40-, and 42-ft) 1890s.

The brackets allow the addition of R127764 tractor suitcase weights to provide increased down pressure. A total of 14 tractor suitcase weights can be added at the rear of the mainframe. Six tractor suitcase weights can be added on each outer wing.

NOTE: 1) Due to the heavier mainframe on the 15.25- and 18.30-m (50- and 60-ft) 1890s, mainframe weights and weight brackets are not in base equipment or required. There is an option to order kit AA76487 from service parts for the wing weight brackets. 2) Order code 6505 (Open center valve kit) is not available for the 15.25- and 18.30-m (50- and 60-ft) models.

IMPORTANT: Wing weights and row markers are not compatible and should not be used together.

Spoked gauge wheels

Growers have historically had to make some difficult planting and seeding decisions due to weather. Operators have been forced to plant in wet conditions that are far from optimal in order to plant within the optimum planting window. Those operators have experienced poor performance from wet soils working in between the depth gauge wheel and the opener disk and not having a way out. This creates the possibility of the depth gauge wheel or opener disk to seize up and drag through the soil.

The spoke gauge wheel is a solution for operators who plant in these conditions to allow the mud and debris that get caught behind the depth gauge wheel to easily flow through the wheel and continue providing superior depth performance.

The spoke gauge wheel is designed for optimum performance. Its features include serviceable, stamped inner and outer rims. The wheel also has cast spokes and bearing hubs for increased strength. This allows smaller spokes, creating larger open surface area for mud and debris to flow more easily than competitor’s wheels. Another improvement over the closed gauge wheel is a snap-ring bearing retention. The wheel does not need to be taken apart and the bearing does not need to be pressed out. Simply remove the snap ring, replace the bearing, and place the snap ring back.

Gauge wheel

Heavy trash fields from no-till environments have also tested very well with the new spoke gauge wheel. Some growers provided feedback of crop residue getting inside and jamming up the gauge wheel and opener. This spoke gauge wheel has shown exceptional performance within these areas as well. These wheels are compatible with both 90 Series openers on seeding tools and planter row-units.

Below is a chart that demonstrates a competitive advantage over MudSmith™ wheels for mud and residue flow:

	MudSmith	John Deere	Percent improvement
Open area	51 in.²	73 in.²	43 percent
Rim height	3/4 in.	9/16 in.	25 percent
Spoke width	1-3/8 in.	3/4 in.	45 percent

The wheel is serviceable along with other parts.

AA86055 – complete wheel assembly
A101570 – inner wheel rim half
A101571 – outer wheel rim half

Not compatible in dual gauge wheel applications.

MudSmith is a trademark of MudSmith, LLC South Dakota.

Six 1890 working widths to fit any operation

18.30-m (60-ft) 1890 seeding into sunflower stalks

Two wider seeding widths have been added to the 1890 No-Till Air Drill lineup: the 15.25-m (50-ft) and 18.30-m (60-ft) models, meeting the needs for producers to increase productivity.

NOTE: Recommended tractors are 375 horsepower for the 15.25-m (50-ft) model and 450
horsepower for the 18.30-m (60-ft) model.

Both are five-section models, with 190-mm (7.5-in.)/380-mm (15-in.) or 254-mm (10-in.) (dual-row spacing). They feature the proven 90 Series No-Till Openers on the active hydraulic downforce system.

Working widths, row spacings:

9.15 m (30 ft) on 190-mm (7.5-in.) or 254-mm (10-in.) row spacing
11 m (36 ft) on 190-mm (7.5-in.) or 254-mm (10-in.) row spacing
12.20 m (40 ft) on 190-mm (7.5-in.) or 254-mm (10-in.) row spacing
12.95 m (42.5 ft) on 190-mm (7.5-in.) or 254-mm (10-in.) row spacing
15.25 m (50 ft) on 190-mm (7.5-in.)/380-mm (15-in.) or 254-mm (10-in.)
18.30 m (60 ft) on 190-mm (7.5-in.)/380-mm (15-in.) or 254-mm (10-in.)

NOTE: 190-mm (7.5-in.) /380-mm (15-in.) dual-row spacing is an option on 9.15-m (30-ft) to 12.95-m (42.5-ft) 1890s.

RelativeFlow™ blockage sensing

With the RelativeFlow blockage system, growers can see the flow rate of both seed and fertilizer from inside the tractor cab when seeding with the 15.2-m (50-ft) and 18.3-m (60-ft) 1890 and the 23-m (76-ft) 1870. Sensors on secondary hoses monitor the relative rate of product flow. An easy-to-read display clearly visualizes relative product flow – across the drill, from opener to opener. This exclusive technology gives a better view of what is happening from the cart to opener – to spot problems before blockage occurs.

Below are the GreenStar™ 3 2630 Display screens for the blockage monitoring system. For complete details and information, see the owner’s manual.

Blockage monitoring main screen

The RelativeFlow chart shows the amount of flow through each sensor on the selected tower.

Sensitivity for the blockage system can be adjusted if desired, as shown below.

Blockage set-up screen

Blockage warning sensitivity sets the sensitivity of the sensors. More sensitive equals more likely to show false blockage, less sensitive equals more likely to miss a blockage.

Multiple run-page alarm behavior options are available for selection.

Blockage set-up screen

Blockage alarm delays can be set up by clicking on the advanced settings button from the blockage setup screen.

A blockage delay is how long a blockage should occur before an alarm is sounded
The blockage alarm reminder is how often the alarm should sound when a blockage occurs
The meter on delay is the time from when the meter is turned on until the blockage sensor should start monitoring for blockage
The meter off delay is the time from when the meter is turned off until the blockage sensor should start monitoring to verify no flow

For more detailed information, please see the owner’s manual.

Manually steer using a simple user interface

Manual guidance

Manual guidance allows operators to manually steer by matching the machine icon with the line on the screen or by using the path accuracy indicator at the top of the guidance view screen.

1890 mainframe and wings features

1890 Seeding on 380-mm (15-in.) rows with rear rank

1890 18.30-m (60-ft) five-section on (7.5-in.) spacing

The 1890 features a three-section or five-section (15.25-m [50-ft] and 18.30-m [60-ft] models) drawn flexible frame with a convenient overcenter fold for transport or storage.

NOTE: Recommended tractor is 375 horsepower for the 15.25-m (50-ft) model and 450 horsepower for the 18.30-m (60-ft) model.

Productivity of the 15.25-m (50-ft) and 18.30-m (60-ft) widths compared to the 12.95-m (42.5-ft) model:

The 15.25-m (50-ft) model is 17 percent more productive per pass
The 18.30-m (60-ft) model is 42 percent more productive per pass

Features on all six models:

Two ranks of 90 Series No-Till Openers
1.35 m (52.7 in.) between ranks of openers
380-mm (15-in.) clearance between openers on 190-mm (7.5-in.) spacing machine
508-mm (20-in.) clearance between openers on 254-mm (10-in.) spacing machine
100-mm x 150-mm (4-in. x 6-in.) cross tubes and 50-mm x 150-mm (2-in. x 6-in.) end tubes
560 mm (22 in.) of underframe clearance
Wings flex 20 degree up and 10 degree down
108-degree overcenter fold

The two-rank frame design provides excellent residue flow and field performance.

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Specs

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John Deere

1890

No-Till Air Drill

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Sizes

Working widths	9.1, 11.2, 12.2, 12.9 m 30, 36, 40, 42-1/2 ft
Spacing	19, 25 cm 7.5, 10 in.
Number of ranks	Two
Number of sections	Three

Dimensions

Transport height
Transport width
Road clearance	21.6 cm 8.5 in.
Overall length	7.5 m 24, 7 ft, in.
Centerframe width
Weight before ballast
Available ballast	1386 (28+14 x 100) kg 2800 (28+14 x 100) lb
Frame	Cross members 102 x 152 mm 4 x 6 in.End tubes 102 x 152 mm 4 x 6 in.Hitch 76 x 152 mm 3 x 6 in.
Clearance from rank to rank	1.34 m 52.8 in.

Tires

Mainframe standard	Eight 11L-15 10 ply
Mainframe bolt pattern
Wings standard
Wings bolt pattern

Openers

Style	Single disk-beveled edge
Rank lock-up	Yes
Disk	Diameter 46 cm 18 in.Angle 7 degree (angle)
Down pressure	Style Active hydraulic-patented Hydraulic
Depth control	Description Gauge wheel beside diskWheel size 11.4 x 41 cm 4.5 x 16 in.Range 0.5 to 3.5 in. 1.3 to 9 cmIncrements 0.6 cm 0.25 in.
In-Furrow press wheel	Material Rubber on plastic wheelPacking force 5 to 45 lb 2.3 to 21 kg Standard
Furrow closing	Description Trailing wheel on 20-degree vertical angle, 7-degree horizontal angleSize 2.5 x 30 cm 1 x 12 in.Material Cast ironDown force 26 to 43 lb 12 to 20 kg Standard
Double-Shoot capable

Additional information

Date collected

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1890
No-Till Air Drill