Seed Disks — Vacuum Meter

IMPORTANT: Codes supplied in the following tables may vary; before ordering a disk, consult your John Deere Dealership, mainly to check which disk is most appropriate and the possible need of purchasing a seed ejector.

Cell Disks
Crop	Quantity of Seeds per Kilogram	Disk code	Diameter of Cell Hole (mm)	Number of Disk Cells
Soybeans	3748-7716 seeds/kg	A42586	4.37	108
Small Soybeans	7716-11023 seeds/kg	A56251	2.5	64
Cotton	8818-13227 seeds/kg
Low Density Soybeans	3747-8818 seeds/kg	A69648	4.37	36
Large Corn	1984-4410 seeds/kg	A50617	3.57	30
Large Corn - South Africa	—	A63160	5.5	25
Medium Corn	3527-6173 seeds/kg	A43215	3.57	30
Small Corn	5570-7054 seeds/kg	H136478	2.6	30
Popcorn	5511-9920 seeds/kg
Sunflower	Size 2,3,4
High Density Sorghum1	22000-35273 seeds/kg	A52802	1.5	90
Sorghum1	22000-35273 seeds/kg	A43066	1.5	45
Popcorn1	9920 seeds/kg
Beet1	27557-31966 seeds/kg
Large Beans	1653-4850 seeds/kg	H136092	4.75	50
Peanuts	1433-1763 seeds/kg
Medium Beans	1653-4850 seeds/kg	A51696	4	56
Pea	3968-5070 seeds/kg
Small Beans	3747-5732 seeds/kg	H136468	3.5	108
Pea	6172-7054 seeds/kg
Large Beet	7275-9038 seeds/kg	A51713	1.6	45
Small Beet	114640-143300 seeds/kg	A51712	1.5	45
Low Density Cotton	8818-13228 seeds/kg	A70163	2.5	32
Medium Beet	92594-101412 seeds/kg	H136445	1.5	45
Peanuts	1100-1763 seeds/kg	H138722	5.2	46

It is recommended to use plain disks for flat, irregular seeds where other disks fail to perform well. It also requires the use of a double seeds eliminator in the seed meter.

IMPORTANT: When using plain disks the vacuum pressure should be increased in the range of 15 inches water column.

Plain Disks 2
Crop	Quantity of Seeds per Kilogram	Disk code	Diameter of Cell Hole (mm)	Number of Disk Cells
Medium Soybeans	—	A52904	4.5	50
Bean	2535-4188 seeds/kg
Medium Peas	6172-7054 seeds/kg
Black-Eyed Peas	3227-4409 seeds/kg
High Density Soybeans	3747-8818 seeds/kg	A105848	4.5	64
Small Corn	7717-12787 seeds/kg	A52390	3.75	40
Small Sunflower	7165-11574 seeds/kg
Large Corn	5070-8598 seeds/kg	A52391	4.5	40
Large Sunflower	4960-7165 seeds/kg
Without Hole	—	A52554	0	40

Seed Knockout Wheel Kit
Kit Code	Knockout Wheel Code	Observations
AA37348	A52389	Recommended for Corn seeds (40-Hole Plain Disks)
AH129125	A53272	Mandatory for Sorghum seeds or small seeds (45 and 90-Hole Plain Disks)
AA38844	H136448	Recommended for Soybean seeds (50-Hole Plain Disks)

NOTE: For chassis up to -099999, the ProMAX 64 disk (high density soybeans) does not have a knockout kit code. The knockout wheel kit must be mounted with the base H136446, arm H136447, spring M61287, fixing pin H136449 and the wheel A106147.