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Horse Power Rating Chart
Triple Stage Reduction Crane Duty Helical Gearboxes-VC
Type
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|
Single Stage Horizontal HA Type
Double Stage Horizontal HB Type
Triple
Stage Horizontal HC
Type |
|
|
|
VC-280 |
|
RPM |
960 |
720 |
|
Duty |
I |
II |
III |
IV |
I |
II |
III |
IV |
|
R
A
T
I
O |
14.85 |
5.8 |
4.2 |
3.4 |
2.5 |
4.5 |
3.2 |
2.7 |
1.9 |
|
20.62 |
4.7 |
3.4 |
2.8 |
2 |
3.6 |
2.6 |
2.1 |
1.5 |
|
24.0 |
4 |
2.9 |
2.4 |
1.7 |
3.1 |
2.2 |
1.8 |
1.3 |
|
33.4 |
3.4 |
2.1 |
2 |
1.5 |
2.6 |
1.9 |
1.5 |
1.1 |
|
|
VC-320 |
|
RPM |
960 |
720 |
|
Duty |
I |
II |
III |
IV |
I |
II |
III |
IV |
|
R
A
T
I
O |
14.26 |
7 |
5 |
3.9 |
3 |
5.7 |
4 |
3.3 |
2.5 |
|
17.0 |
5.9 |
4.2 |
3.3 |
2.5 |
4.8 |
3.4 |
2.7 |
2 |
|
25.28 |
4 |
2.8 |
2.2 |
1.7 |
3.2 |
2.2 |
1.8 |
1.4 |
|
52.36 |
1.9 |
1.4 |
1 |
0.8 |
1.5 |
1 |
0.9 |
0.7 |
|
|
|
VC-350 |
|
RPM |
960 |
720 |
|
Duty |
I |
II |
III |
IV |
I |
II |
III |
IV |
|
R
A
T
I
O |
10.69 |
10.7 |
7.5 |
5.9 |
4.7 |
9.2 |
6.4 |
5.1 |
4 |
|
14.67 |
8.1 |
5.7 |
4.5 |
3.6 |
6.9 |
4.8 |
3.8 |
3 |
|
30.56 |
4.1 |
2.9 |
2.3 |
1.8 |
3.4 |
2.4 |
1.9 |
1.5 |
|
49.49 |
2.6 |
1.8 |
1.4 |
1.1 |
2.2 |
1.5 |
1.2 |
1 |
|
|
VC-400 |
|
RPM |
960 |
720 |
|
Duty |
I |
II |
III |
IV |
I |
II |
III |
IV |
|
R
A
T
I
O |
15.95 |
18.8 |
13.2 |
10.3 |
8.3 |
16.6 |
11.6 |
9.1 |
7.3 |
|
21.0 |
16.7 |
11.7 |
9.2 |
7.3 |
14.1 |
9.9 |
7.8 |
6.2 |
|
41.23 |
9 |
6.3 |
5 |
4 |
7.5 |
5.3 |
4.1 |
3.3 |
|
85.39 |
4.4 |
3.1 |
2.4 |
1.9 |
3.6 |
2.5 |
2 |
1.6 |
|
|
VC-475 |
|
RPM |
960 |
720 |
|
Duty |
I |
II |
III |
IV |
I |
II |
III |
IV |
|
R
A
T
I
O |
19.68 |
19.3 |
13.5 |
10.6 |
8.5 |
17.2 |
12.1 |
9.5 |
7.8 |
|
29.06 |
16.4 |
11.5 |
9 |
7.2 |
14.4 |
10.1 |
7.9 |
6.3 |
|
52.92 |
10.8 |
7.6 |
5.9 |
4.8 |
9.2 |
6.4 |
5.1 |
4 |
|
109.61 |
5.6 |
3.9 |
3.1 |
2.5 |
4.7 |
3.3 |
2.6 |
2.1 |
|
|
VC-550 |
|
RPM |
960 |
720 |
|
Duty |
I |
II |
III |
IV |
I |
II |
III |
IV |
|
R
A
T
I
O |
17.72 |
35.1 |
24.7 |
19.3 |
15.4 |
31.9 |
22.5 |
17.5 |
14 |
|
32.90 |
25.6 |
18 |
14.1 |
11.3 |
21.6 |
15.2 |
11.9 |
9.5 |
|
68.28 |
12.9 |
9.1 |
7.1 |
5.7 |
10.8 |
7.6 |
5.9 |
4.8 |
|
126.78 |
7.1 |
5 |
3.9 |
3.1 |
5.9 |
4.2 |
3.2 |
2.6 |
|
|
VC-600 |
|
RPM |
960 |
720 |
|
Duty |
I |
II |
III |
IV |
I |
II |
III |
IV |
|
R
A
T
I
O |
17.74 |
40 |
30.9 |
22.6 |
16.05 |
35.5 |
25.8 |
18.3 |
15 |
|
32.93 |
30.5 |
21 |
14.32 |
12 |
23.39 |
16.07 |
12.1 |
10.5 |
|
68.02 |
14.5 |
11.5 |
7.7 |
6.5 |
13.3 |
8.75 |
6.17 |
5.5 |
|
126.29 |
8.75 |
6 |
5.1 |
3.69 |
6 |
4.5 |
3.5 |
2.9 |
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