Seed Hawk 40-84

Seed Hawk 40-84

Unparalleled accuracy

The Seed Hawk air drill provides the most precise seeding technology on the market. Delivering unmatched seed and fertilizer placement in one pass, it is perfect for all soil conditions. The Seed Hawk Air Drill comes in widths ranging from 40’ (12.2 m) to 84’ (25.6 m). Seed Hawk Air Drills can be configurated for 10” (254 mm) or 12” (305 mm) row spacing.

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Part of the Seed Hawk concept

A seed’s greatest potential is at the time it is placed in the ground. For over 30 years, Seed Hawk’s innovative opener design has been the heart of the Seed Hawk Air Drill. Each independent dual-knife opener and packer assembly provide the precision seed-to-fertilizer placement required for outstanding emergence.  Seed Hawk toolbars are offered in a variety of sizes with multiple spacing and seed placement options, enabling you to choose the right fit for your operation.

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Seed Hawk precision opener in field

Precision openers

Seed Hawk’s industry-leading opener assemblies operate independently for superior shallow seeding, depth accuracy, and optimal fertilizer placement. The result is quick, uniform germination, even packing, and consistent performance in all soil conditions. 

Each opener assembly follows the ground independently by pivoting at the frame, controlled by its own adjustable hydraulic cylinder. A range of seed and fertilizer knives are available to suit every seeding style.

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Seed Hawk Toolbar that follows the contour

Big machines that follow the contour

Seed Hawk 40-84 come in 5- or 7-plex frame sections, allowing them to follow the contours of the land. With a contour following range of 18" (46 cm), the independent opener assemblies deliver consistent seed depth, regardless of the terrain. 

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Full control by 10 foot sections

The Seed Hawk Sectional Control Technology™ is an innovative way to minimize overlaps and save on input costs. In the field, the Fenix III seed meters on the Precision Delivery air cart work seamlessly with the Seed Hawk Air Drill to allow full control of the output on each 10 foot section of the machine. It works in conjunction with the onboard GPS to lift openers when previously seeded ground is encountered, and shut down metering of seed and fertilizer, which reduces ground disturbance and doubling up of inputs.

With the advanced SCTx option, the machine is fitted with an additional GPS receiver mounted on the tractor to greatly enhance system capabilities. This means more complex manoeuvres in the field and unprecedented capabilities to properly predict where the air drill should turn off and on.

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Wireless blockage monitoring

Wireless blockage monitoring

Now you can watch for blockages from the cab as the blockage system monitors product flow on your Seed Hawk seeding system. If a blockage is detected, it immediately delivers quick, accurate notification of the exact location to your iCon wireless control system

Product leaving the manifold bounces off a stainless-steel membrane as it enters the seed or fertilizer run, creating a small sound wave. If there is any change in the sound wave, it is picked up by acoustic sensors that detect the blockage to trigger audio and visual alerts on your tablet. 

When a blockage location is identified, you can take your tablet out of the tractor cab and carry it with you as you locate the blockage and fix the issue. No more misses. 

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Seed Between the Rows (SBR)

SBR technology uses a curved paddle sensor that floats above the ground to detect nearby stubble rows. It is connected to hydraulic cylinders that move the hitch and keep the openers between the rows, improving seed and fertilizer placement even more.

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Stainless steel primary lines

Seed Hawk 70-84 Air Drills are now updated with Stainless steel primary lines. Stainless steel ensures growers the best possible experience, ensuring years of trouble free operation with reduced maintenance. Stainless steel center section is not included on tow-between versions of the Seed Hawk 70-84.

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Technical data

  Seed Hawk 40 Seed Hawk 50 Seed Hawk 60
Toolbar size/width (ft) 40' (12.2 m)  50' (15.2 m) 60' (18.3 m) 
Row spacing (in) 10”/12” (254/305 mm)  10”/12” (254/305 mm)  10”/12” (254/305 mm) 
Number of rows at 10” (254 mm) spacing 48 60 72
Number of rows at 12” (305 mm) spacing 40 50 60
Transport width (ft) 15’7” (4.75 m) 15’5” (4.7 m) 15’5” (4.7 m)
Transport length (ft)* 35’2” ( 10.7 m) 35’2” ( 10.7 m) 35’2” ( 10.7 m)
Transport height (ft) 16’1” (4.9 m) 16’9” (5.1 m) 16’9” (5.1 m)
Ground clearance (in) 12” (305 mm) 12” (305 mm) 12” (305 mm)
Frame sections 5-plex 5-plex 5-plex
Recommended working speed (mph) 4.5-5 (7-8 km/h) 4.5-5 (7-8 km/h) 4.5-5 (7-8 km/h)
Hydraulic Circuits Required 2 2 2
* Assumes clevis style hitch. If equiped with SBR hitch, add 13.5" (34 cm)



  Seed Hawk 70 Seed Hawk 80 Seed Hawk 84
Toolbar size/width 70' (21.3 m) 80' (24.4 m) 84' (25.6 m)
Row spacing (in) 10”/12” (254/305 mm) 10”/12” (254/305 mm) 10”/12” (254/305 mm)
Number of rows at 10” (254 mm) spacing 84 96 N/A
Number of rows at 12” (305 mm) spacing 70 80 84 
Transport width (ft) 29’ (8.84 m) 29’ (8.84 m) 29’5” (8.96 m)
Transport length (ft)* 36’11” (11.25 m) 36’11” (11.25 m) 36’11” (11.25 m)
Transport height (ft) 17’11” (5.5 m) 17’11” (5.5 m) 17’11” (5.5 m)
Ground clearance (in) 12” (305 mm) 12” (305 mm) 12” (305 mm)
Frame sections 7-plex 7-plex 7-plex
Recommended working speed (mph) 4.5-5 (7-8 km/h) 4.5-5 (7-8 km/h) 4.5-5 (7-8 km/h)
Hydraulic Circuits required 2 2 2

*Assumes clevis style hitch. If equipped with SBR hitch, add 13.5” (34 cm)


Väderstad has made every attempt to accurately portray our product line-up. However, due to our commitment to continually innovate our technologies to provide our customers the best possible products, some products may not be manufactured as shown on this site. Exact specifications for each product will be confirmed at the time of ordering.


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