Material Rate User Manual
74 1625AHD/AHL Table of Contents Great Plains Manufacturing, Inc.
411-020B Table of Contents 2014-03-17
Twin Row Sprocket Indexing (5 of 6)
Note: This is NOT a seed rate chart.
This is a chart for staggering seed spacing
between rows of a twin-row planter.
Verify sprocket tooth position with the top length of chain taut.
Twin Row 30 & 36 Inch
Set front meter to tooth “1”. Page 2 of 3
Set rear meter to indicated Initial tooth number.
Advance or Retard to adjust - see instructions in Seed Rate Manual.
These Columns are for Fine Adjustment Only
Population Seeds/Acre
Initial Rear 20% Rear Seed Drop Adjust 40% Rear Seed Drop Adjust
30 in. Twin 36 in. Twin
Tooth Number Retard Advance Retard Advance
31500 23625 17 14 1 4 18
32000 24000 17 14 2 11 18
32500 24375 5 14 2 8 18
33000 24750 5 18 5 8 14
33500 25125 2 18 17 15 14
34000 25500 1 18 17 12 14
34500 25875 1 3 9 12 14
35000 26250 6 3 9 19 10
35500 26625 6 3 13 19 10
36000 27000 10 7 13 16 10
36500 27375 10 7 13 4 6
37000 27750 10 7 9 4 6
37500 28125 14 11 17 4 1
38000 28500 14 11 17 8 2
38500 28875 14 11 5 8 2
39000 29250 18 11 2 8 5
39500 29625 18 15 2 12 17
40000 30000 18 15 1 12 17
40500 30375 3 15 1 12 9
41000 30750 3 19 6 16 9
41500 31125 3 19 6 16 13
42000 31500 7 19 10 16 13
42500 31875 7 4 10 16 13
43000 32250 7 4 10 16 9
43500 32625 11 4 14 16 17
44000 33000 11 8 14 16 17
44500 33375 11 8 14 16 5
45000 33750 15 8 18 16 2
45500 34125 15 12 18 16 2
36076H
Air-Pro
®
Meter Stagger Timing Chart (U.S. customary units)










