7000 SERIES Air Seeder Fan Speed Charts

Fan Speed calculation video placed here.
The minimum fan speed charts provided from this table are applicable to all Bourgault 7000 Series Air Seeders.  The charts were created using a Bourgault air seeder and Bourgault seeding unit/distribution system, and considered accurate and valid only with a complete Bourgault seeding system.
Fan ID Diagram
Air Seeder Fan ID
Minimum Fan Speed Manual
Minimum Fan Speed Manual Icon
 
Drill Configuration
Trailing Air Seeder (Section A)
Leading Air Seeder (Section B)
Model
Spacing (in)
Number of Ports
High Speed Fan
High Capacity Fan
High Pressure Fan
High Speed Fan
High Capacity Fan
High Pressure Fan
3320-50
10
6
N/A
N/A
N/A
N/A
10
8
N/A
N/A
12
6
N/A
N/A
N/A
N/A
12
8
N/A
N/A
3320-60
10
6
N/A
N/A
N/A
N/A
10
8
N/A
N/A
12
6
N/A
N/A
N/A
N/A
12
8
N/A
N/A
3320-66
10
8
N/A
N/A
12
6
N/A
N/A
N/A
N/A
12
8
N/A
N/A
3320-76
10
8
12
8
3320-80
10
8
N/A
12
8
N/A
3320-86
10
10
N/A
N/A
N/A
12
8
N/A
N/A
N/A
12
10
N/A
N/A
N/A
 
3420-80
10
8
N/A
N/A
10
10
N/A
N/A
N/A
12
8
N/A
N/A
12
10
N/A
N/A
N/A
N/A
3420-100
10
10
N/A
N/A
N/A
N/A
12
10
N/A
N/A
N/A
N/A
 
3720-50
7.5
8
N/A
N/A
10
6
N/A
N/A
N/A
N/A
10
8
N/A
N/A
12
6
N/A
N/A
N/A
N/A
12
8
N/A
N/A
3720-60
7.5
8
N/A
N/A
10
6
N/A
N/A
N/A
N/A
10
8
N/A
N/A
12
6
N/A
N/A
N/A
N/A
12
8
N/A
N/A
3720-70
10
8
12
6
N/A
N/A
N/A
N/A
12
8
         

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