OPERATION AND MAINTENANCE
4-25
Figure 4-27: Seed Drive Chart (1 of 3)
Drive Type
I
1/8
1/4
3/8
1/2
5/8
3/4
7/8
1 1 1/8 1 1/4 1 3/8 1 1/2 1 5/8 1 3/4
7.5 inch
8
16
24
32
40
49
58
66
10 inch
6
12
18
24
30
36
43
49
Drive Type
II
1/8
1/4
3/8
1/2
5/8
3/4
7/8
1 1 1/8 1 1/4 1 3/8 1 1/2 1 5/8 1 3/4
7.5 inch
4
8
12
16
20
25
29
33
10 inch
3
6
9
12
15
18
22
25
Drive Type
III
1/8
1/4
3/8
1/2
5/8
3/4
7/8
1 1 1/8 1 1/4 1 3/8 1 1/2 1 5/8 1 3/4
7.5 inch
16
32
48
64
80
98
116
122
10 inch
12
24
36
48
60
72
86
98
Drive Type
I
1/8
1/4
3/8
1/2
5/8
3/4
7/8
1 1 1/8 1 1/4 1 3/8 1 1/2 1 5/8 1 3/4
7.5 inch
14
21
28
36
44
52
60
70
79
89
100
113
122
10 inch
10
15
21
27
33
39
45
52
59
67
75
84
91
Drive Type
II
1/8
1/4
3/8
1/2
5/8
3/4
7/8
1 1 1/8 1 1/4 1 3/8 1 1/2 1 5/8 1 3/4
7.5 inch
7
10
14
18
22
26
30
35
39
44
50
56
61
10 inch
5
8
10
13
16
20
23
26
30
33
38
42
46
Drive Type
III
1/8
1/4
3/8
1/2
5/8
3/4
7/8
1 1 1/8 1 1/4 1 3/8 1 1/2 1 5/8 1 3/4
7.5 inch
28
42
56
72
88
104
120
140
158
178
200
226
244
10 inch
20
30
42
54
66
78
90
104
118
134
150
168
182
Drive Type
I
1/8
1/4
3/8
1/2
5/8
3/4
7/8
1 1 1/8 1 1/4 1 3/8 1 1/2 1 5/8 1 3/4
7.5 inch
4
8
11
16
19
23
28
31
36
40
44
47
52
55
10 inch
3
6
9
12
14
18
21
23
27
30
33
35
39
41
Drive Type
II
1/8
1/4
3/8
1/2
5/8
3/4
7/8
1 1 1/8 1 1/4 1 3/8 1 1/2 1 5/8 1 3/4
7.5 inch
2
4
6
8
9
12
14
16
18
20
22
24
26
28
10 inch
1
3
5
6
7
9
11
12
14
15
17
18
20
21
Drive Type
III
1/8
1/4
3/8
1/2
5/8
3/4
7/8
1 1 1/8 1 1/4 1 3/8 1 1/2 1 5/8 1 3/4
7.5 inch
8
16
22
32
38
46
56
62
72
80
88
94
104
110
10 inch
6
12
18
24
28
36
42
46
54
60
66
70
78
82
METER OPENING
ALFALFA
BARLEY
FESCUE
METER OPENING
METER OPENING
METER OPENING
METER OPENING
METER OPENING
METER OPENING
METER OPENING
METER OPENING