John Deere 1520 Integral Drill
Box Drills
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Features
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Grain Box Capacity: 42 bu. (2.8 bu./ft.), /40 bu. (2 bu./ft.)
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Working Width: 15 ft., 20 ft.
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Grain/Fertilizer Box Capacity: N/A
Specifications
Capacities - Grain/Fertilizer: |
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Capacities - Plain Grain: |
40 bu |
Dimensions - Clearance: |
|
Dimensions - Overall Length: |
6, 4 ft, in. |
Dimensions - Transport Height: |
6, 5 ft, in. |
Dimensions - Transport Width: |
20 ft |
Dimensions - Weight: |
4180 lb |
Key Specs - Number of openers - 20: |
40, 32, 24 |
Key Specs - Plain grain - 20: |
40 bu |
Key Specs - Spacing - 20: |
6, 7.5, 10 in. |
Key Specs - Transport width - 20: |
20 ft |
Key Specs - Weight - 20: |
4180 lb |
Meters - Type: |
Fluted-feed |
Monitor - Type: |
SeedStar or ComputerTrak 250, 350, 450 |
Opener Assembly - Closing Wheels: |
|
Opener Assembly - Disk: |
13.5 offset .25 in. |
Opener Assembly - Down Pressure: |
Std. hand-crank, opt. active |
Opener Assembly - Gauge Wheels: |
2, 9.5Lx14, 8 PR |
Opener Assembly - Number of Openers: |
40, 32, 24 |
Opener Assembly - Press Wheels: |
Std. 2x13-in. |
Opener Assembly - Spacing: |
6, 7.5, 10 in. |
Productive seedbox capacities
Seedbox
Seedboxes have a large capacity for longer intervals between stops for refilling.
| Drill | Total box capacity | L/m (bu/ft) |
| 4.6-m (15-ft) model | 1480 L (42 bu) | 321.7 L/m (2.8 bu/ft) |
| 6.1-m (20-ft) model | 1409.6 L (40 bu) | 231.1 L/m (2.0 bu/ft) |
All boxes are plain grain with a large, single lid for accessing the seedbox.
Double-disk furrow openers
Double-disk opener
Double-disk opener
Double-disk openers create a furrow in which seed is placed. They work best in a prepared seedbed and leave the field relatively smooth, with minimal soil throw.
The double-disk openers are available with 152.4-mm, 190.5-mm, and 254-mm (6-in., 7.5-in., and 10-in.) row spacings. The 152.4-mm (6-in.) spaced drills have nominal residue flow in minimum till conditions. The 190.5-mm (7.5-in.) spacing is recommended for wet, sticky soil conditions such as the Red River Valley.
Cast-aluminum boots are standard equipment. Openers come with a zigzag pattern, with alternate short and long drawbars, to provide good trash flow in varied field conditions. The alternating of blades with a right/left leading-edge offset improves penetration.
Blades are offset with a 6.35-mm (1/4-in.) leading edge, and the pinch point is close to where the blades meet the soil for better penetration and residue cutting.