GREAT PLAINS BD7600, Original Instructions Manual, Page: 26 / 32

Great Plains | 195-833b | 05/10/2022 22
BD7600 Min-Till Drills Table of Contents Hydraulic Drive
BD7600 Material Rates (cont’d)
Sericea Lespedeza, Hulled
(Lespedeza cuneata)
Sericea Lespedeza, Unhulled
(Lespedeza cuneata)
Soybeans
(Glycine max)
( p )
Driving Driven
2.1 - 49.5 14 28
8.2 - 66.0 28 14
1.7 - 39.8 14 28
6.6 - 53.0 28 14
1.3 - 30.0 14 28
5.0 - 40.0 28 14
Small Seeds Wheel Upper Slide Position = B Lower Gate Position = 1
Rows Range
Seed Rate Limits
Gear
Configuration
based on [65 pounds/bushel] at 5.5mph
Calibration Factors (per drill)
pounds/acre 26' 30' 40' 50'
0.181 0.232
High 0.482 0.556 0.722 0.926
6 in.
Low 0.120 0.139
0.146 0.185
High 0.389 0.445 0.584 0.741
7.5 in.
Low 0.097 0.111
0.111 0.139
High 0.296 0.333 0.445 0.556
10 in.
Low 0.074 0.083
( p )
Driving Driven
0.9 - 21.1 14 28
3.5 - 28.1 28 14
0.7 - 16.9 14 28
2.8 - 22.6 28 14
0.5 - 12.8 14 28
2.1 - 17.0 28 14
Small Seeds Wheel Upper Slide Position = B Lower Gate Position = 1
Rows Range
Seed Rate Limits
Gear
Configuration
based on [39 pounds/bushel] at 5.5mph
Calibration Factors (per drill)
pounds/acre 26' 30' 40' 50'
0.077 0.099
High 0.205 0.237 0.308 0.394
6 in.
Low 0.051 0.059
0.062 0.079
High 0.166 0.189 0.248 0.315
7.5 in.
Low 0.041 0.047
0.047 0.059
High 0.126 0.142 0.189 0.237
10 in.
Low 0.032 0.035
( y )
Driving Driven
22.5 - 540.4 14 28
90.1 - 720.5 28 14
18.1 - 434.4 14 28
72.4 - 579.2 28 14
13.7 - 327.9 14 28
54.6 - 437.1 28 14
Normal Seeds Wheel Upper Slide Position = B Lower Gate Position = 2
Rows Range
Seed Rate Limits
Gear
Configuration
based on [56 pounds/bushel] or [2,640 seeds/pound] at 5.5mph
Calibration Factors (per drill)
pounds/acre 26' 30' 40' 50'
1.214
1.973 2.530
High 5.262 6.071 7.893 10.119
6 in.
Low 1.315 1.518
1.214 1.518
High 3.238 3.643 4.857 6.071
10 in.
Low 0.810 0.911
1.594 2.024
High 4.250 4.857 6.375 8.095
7.5 in.
Low 1.063