GREAT PLAINS BD7600, Original Instructions Manual, Page: 14 / 32

Great Plains | 195-833b | 05/10/2022 10
BD7600 Min-Till Drills Table of Contents Hydraulic Drive
BD7600 Material Rates (cont’d)
Broom Corn
(Sorghum vulgare)
Buckwheat
(Fagopyrum esculentum)
Buffalograss
(Bouteloua dactyloides)
( g g )
Driving Driven
2.7 - 63.8 14 28
10.6 - 85.1 28 14
2.1 - 51.3 14 28
8.5 - 68.4 28 14
1.6 - 38.7 14 28
6.5 - 51.6 28 14
Small Seeds Wheel Upper Slide Position = B Lower Gate Position = 2
Rows Range
Seed Rate Limits
Gear
Configuration
based on [53 pounds/bushel] or [18K seeds/pound] at 5.5mph
Calibration Factors (per drill)
pounds/acre 26' 30' 40' 50'
0.233 0.299
High 0.621 0.717 0.932 1.195
6 in.
Low 0.155 0.179
0.188 0.239
High 0.502 0.574 0.753 0.956
7.5 in.
Low 0.125 0.143
0.143 0.179
High 0.382 0.430 0.574 0.717
10 in.
Low 0.096 0.108
( g py )
Driving Driven
17.9 - 430.5 14 28
71.8 - 574.1 28 14
14.4 - 346.1 14 28
57.7 - 461.5 28 14
10.9 - 261.2 14 28
43.5 - 348.3 28 14
Normal Seeds Wheel Upper Slide Position = B Lower Gate Position = 2
Rows Range
Seed Rate Limits
Gear
Configuration
based on [45 pounds/bushel] or [17K seeds/pound] at 5.5mph
Calibration Factors (per drill)
pounds/acre 26' 30' 40' 50'
1.572 2.016
High 4.192 4.837 6.289 8.062
6 in.
Low 1.048 1.209
1.270 1.612
High 3.386 3.870 5.079 6.450
7.5 in.
Low 0.847 0.967
0.967 1.209
High 2.580 2.902 3.870 4.837
10 in.
Low 0.645 0.726
( y )
Driving Driven
4.0 - 95.4 14 28
15.9 - 127.1 28 14
3.2 - 76.7 14 28
12.8 - 102.2 28 14
2.4 - 57.9 14 28
9.6 - 77.1 28 14
Normal Seeds Upper Slide Position = B Lower Gate Position = 2
Rows Range
Seed Rate Limits
Gear
Configuration
based on [18 pounds/bushel] at 5.5mph
Calibration Factors (per drill)
pounds/acre 26' 30' 40' 50'
0.348 0.446
High 0.929 1.071 1.393 1.786
6 in.
Low 0.232 0.268
0.281 0.357
High 0.750 0.857 1.125 1.429
7.5 in.
Low 0.188 0.214
0.214 0.268
High 0.571 0.643 0.857 1.071
10 in.
Low 0.143 0.161