Weeder harrows

Weeder harrow is designed for harrowing grasslands – raking out sod and leveling molehills and cultivation of arable fields – destroying weeds and soil crust. Moreover, the harrow equipped with rigid spring fingers is designed for cultivation of fields after postharvest cultivation and harrowing low stubbles that is raking out crop residues and destroying weeds and self-seeding. Weeder harrow after being equipped with additional working elements, knife skid and a rear smooth roller, forms a tending set. The tending set, equipped with a skid, enables cutting sod and precise leveling molehills during cultivation of grassland whereas during cultivation of fields after skimming, enables leveling unevenness on the field surface. Rear smooth roller of the tending set is employed to cover grass seeds or seed aftercrop with a disc spreader. Aftercrop seeder can be suspended on the front three-point suspension system of the tractor. Manufactured series of types of a weeder harrow covers tools equipped with 2, 4 or 6 working units. 4- and 6-unit harrows are folded hydraulically for transportation. Regardless of the number of units, a harrow can be equipped with working units of width 1.5 m or 1.2 m, suspended swingingly on the frame, equipped with spring teeth of various characteristics and scale.

https://www.youtube.com/watch?v=PG3TTHDWJxA

Technical specification of weeder harrow

 

Lp.

Specification

Unit of measure

Data

1

2

3

4

5

6

1. Machine symbol

-

P510

P510/1 / P510/2

P510/3 / P510/4

2. Units number

-

2×1,5

4×1,2 / 4×1,5

6×1,2 / 6×1,5

3. Working width

m

3

4,8 / 6

7,2 / 9

4. Overall dimensions for a harrow with a roller
- width

mm

3000

4840 / 6000

7240 / 9000

- length

mm

2970

- transportation height

mm

1230

1710 / 1930

2940 / 3620

5. Overall diamensions for a harrow
- width

mm

2980

2550 / 2980

2550 / 2980

- length

mm

2210 – 2300

- transportation height

mm

1230

1710 / 1930

2940 / 3620

6. Working unit
- teeth type

-

spring: Ø7 or Ø8 – double, Ø9 – single

- working depth

mm

up to 50

- teeth diameter

mm

7 , 8 or 9

- teeth number in a row

item

6

- base of teeth rows

mm

250

- base of teeth Ø7 or Ø8 in a row

mm

150

- base of teeth Ø9 in a row

mm

300

- number of teeth  Ø7 or Ø8 in a unit

item

1,5m-30 / 1,2m-24

- number of teeth Ø9  in a unit

szt.

1,5m-30 / 1,2m-24

- number of teeth Ø7 or Ø8 in a tool

szt.

3m – 60

4,8m -96 / 6m-120

7,2m-144 / 9m-180

- number of teeth  Ø9 in a tool

szt.

3m – 60

4,8m -96 / 6m-120

7,2m-144 / 9m-180

7. Weight 
- harrow with teeth  Ø7 or Ø8

kg

3m – 270

4,8m – 535 / 6m – 640

7,2m – 760 / 9m – 895

- harrow with teeth Ø9

kg

3m – 265

4,8m – 520 / 6m – 620

7,2m – 740 / 9m – 865

- harrow with teeth Ø7 or Ø8 with a roller and a skid

kg

3m – 420

4,8m – 780 / 6m – 925

7,2m – 1130 / 9m – 1360

8. Power demand
- for a weeder harrow

KM

3m – 30

4,8m – 48 / 6m – 60

7,2m – 72 / 9m – 90

- for a harrow with a skid and a roller

KM

3m – 36

4,8m – 58 / 6m – 72

7,2m – 87 / 9m – 108

9. Effective eficiency at speed 10 km/h

ha/h

3m – 3,0

4,8m – 4,8 / 6m – 6,0

7,2m – 7,2 / 9m – 9,0