Ground drive rate: np4000b-1238, Np4000b-1238 fertilizer rate, Np4000b-1238 johnblue reference data – Great Plains NP4000B Operator Manual User Manual
Page 102
98
2013+ NP4000/A/B
Great Plains Manufacturing, Inc.
417-199M
2014-05-14
Ground Drive Rate: NP4000B-1238
NP4000B-1238 Fertilizer Rate
Use the slide chart or internet calculator for more precise
rate setting.
NP4000B-1238 JohnBlue Reference Data
Use the data below with the CDS-John Blue 115797-01
slide chart or with the CDS-John Blue internet calculator.
Equipment Damage Risk:
Ground Drive: Plant at or below 9 mph (14.4 kph) with the
47T Driving sprocket installed. The pump is rated for 450 rpm
maximum, which is exceeded at and above 9 mph (14.4 kph).
Driving Sprocket
15
47
Dial Setting
4
2.5
0.8
37
5
3.2
1.0
47
6
3.8
1.2
56
7
4.4
1.4
65
8
5.1
1.6
75
9
5.7
1.8
84
10
6.3
2.0
94
11
7.0
2.2
103
12
7.6
2.4
112
13
8.2
2.6
122
14
8.9
2.8
131
15
9.5
3.0
140
16
10.1
3.2
150
17
10.8
3.4
159
18
11.4
3.6
168
19
12.0
3.8
178
20
12.7
4.0
187
21
13.3
4.2
196
22
13.9
4.4
206
23
14.6
4.6
215
24
15.2
4.8
224
25
15.8
5.0
234
26
16.5
5.3
243
27
17.1
5.5
253
28
17.7
5.7
262
29
18.4
5.9
271
30
19.0
6.1
281
31
19.6
6.3
290
32
20.3
6.5
299
33
20.9
6.7
309
34
21.5
6.9
318
35
22.2
7.1
327
36
22.8
7.3
337
37
23.4
7.5
346
38
24.0
7.7
355
39
24.7
7.9
365
40
25.3
8.1
374
41
25.9
8.3
384
42
26.6
8.5
393
43
27.2
8.7
402
44
27.8
8.9
412
45
28.5
9.1
421
46
29.1
9.3
430
47
29.7
9.5
440
48
30.4
9.7
449
49
31.0
9.9
458
32358D
Gallons
per
Acre
Liters
per
Hectare
Pump Type
(•) Piston Pump
NGP-7050 Series
Data
Preference
(•) <user-specified>
Application
Rate
<user-specified>
Drive
System
(•) Ground Drive
Loaded Radius: 17.55in (44.58cm)
Swath Width
456 in (1158.2 cm)
Drive
(Required):
(Optional):
(Optional):
(Optional):
25
15 or 47
__
__
Driven
(Required):
(Optional):
(Optional):
(Optional):
15
15
__
__
Sprocket Ratio
(for slide chart)
Driving 15T:
Driving 47T:
1.67
a
5.22
b
a. For easier scale readings (but same net ratio), use:
Loaded Radius: 20
Sprocket Ratio: 1.9
b. For easier scale readings (but same net ratio), use:
Loaded Radius: 10
Sprocket Ratio: 3.0
Ground Speed
5 mph
c
/ 8 kph
c. Gallons per acre is independent of speed between
2 mph and 9 mph (3-14 kph). See advisory below.