Horse Power Rating Chart
Triple Stage Reduction Crane Duty Helical Gearboxes-HC Type

SIZE

HC-400

HC-450

HC-500

RPM

960

720

960

720

960

720

Duty

I

II

III

IV

I

II

III

IV

I

II

III

IV

I

II

III

IV

I

II

III

IV

I

II

III

IV

R
A
T
I
O

31.5

16.8

12.1

9.9

7.2

13.1

9.4

7.7

5.6

24

17.2

14.2

10.3

18.7

13.4

11

8

33

23.7

19.5

14.2

25.7

18.5

15.2

11.1

40

13.9

10

8.2

6

10.8

7.8

6.4

4.6

19.7

14.1

11.6

8.5

15.4

11.1

9.1

6.6

27.6

19.8

16.3

11.9

21.5

15.4

12.7

9.2

50

11.5

8.3

6.8

4.9

9

6.5

5.3

3.9

16.3

11.7

9.6

7

12.7

9.1

7.5

5.5

22.8

16.4

13.5

9.8

17.8

12.8

10.6

7.7

63

9.6

6.9

5.7

4.1

7.5

5.4

4.4

3.2

13.7

9.8

8.1

5.9

10.7

7.7

6.3

4.6

18.4

13.2

10.9

7.8

14.4

10.3

8.5

6.2

80

7.7

5.5

4.5

3.3

6

4.3

3.5

2.6

11

7.9

6.5

4.7

8.6

6.2

5.1

3.7

15.2

10.9

9

6.5

11.9

8.5

7

5.1

90

7

5

4.1

3

5.5

3.9

3.2

2.3

9.8

7

5.8

4.2

7.6

5.5

4.5

3.3

13.8

9.9

8.1

5.9

10.8

7.8

6.4

4.6

100

6.2

4.4

3.7

2.7

4.8

3.4

2.8

2.1

8.9

6.4

5.3

3.8

6.9

5

4.1

3

12.3

8.8

7.3

5.3

9.6

6.9

5.7

4.1

125

5.1

3.7

3

2.2

4

2.9

2.4

1.7

7.2

5.2

4.2

3.1

5.7

4.1

3.4

2.5

10.2

7.3

6

4.4

8

5.7

4.7

3.4

160

4.1

2.9

2.4

1.8

3.2

2.3

1.9

1.4

5.8

4.2

3.4

2.5

4.5

3.2

2.7

1.9

8

5.7

4.7

3.4

6.3

4.5

3.7

2.7

SIZE

HC-560

HC-630

HC-710

RPM

960

720

960

720

960

720

Duty

I

II

III

IV

I

II

III

IV

I

II

III

IV

I

II

III

IV

I

II

III

IV

I

II

III

IV

R
A
T
I
O

31.5

46.8

33.6

27.6

20.1

37

26.6

21.8

15.9

66

47.4

38.9

28.4

52

37.3

30

22.4

95

68.2

56

40.9

74

53.1

43.7

31.8

40

39

28

23

16.8

30.8

22.1

18.2

13.2

56

40.2

33

24.1

44.2

31.7

26

19

78

56

46

33.5

60.5

43.4

35.7

26

50

32.2

23.1

19

13.8

25.4

18.2

15

10.9

46

33

27.1

19.8

36.3

26.1

21.4

15.6

65

46.7

38.4

28

50.4

36.2

29.7

21.7

63

26.4

19

15.6

11.4

20.9

15

12.3

9

38

27.3

22.4

16.3

30

21.5

17.7

12.9

54

38.8

31.9

23.2

42

30.2

24.8

18.1

80

21.4

15.4

12.6

9.2

16.9

12.1

10

7.3

31

22.3

18.2

13.3

24.5

17.6

14.4

10.5

44

31.6

26

18.9

34.1

24.5

20.1

14.7

90

19.5

14

11.5

8.4

15.4

11.1

9.1

6.6

27

19.4

15.9

11.6

21.3

15.3

12.6

9.2

39

28

23

16.8

30.3

21.8

17.9

13

100

17.6

12.6

10.4

7.6

13.9

10

8.2

6

25

18

14.8

10.8

19.8

14.2

11.7

8.5

35

25.1

20.7

15.1

27.2

19.5

16

11.7

125

14.2

10.2

8.4

6.1

11.2

8

6.6

4.8

20.5

14.7

12.7

8.8

16.2

11.6

9.6

7

28.5

20.5

16.8

12.2

22.1

15.9

13

9.5

160

11.5

8.3

6.8

4.9

9.1

6.6

5.4

3.9

16.3

11.7

9.6

7

13

9.3

7.7

5.6

23.2

16.7

13.7

10

18

12.9

10.6

7.7

SIZE

HC-800

HC-900

HC-1000

RPM

960

720

960

720

960

720

Duty

I

II

III

IV

I

II

III

IV

I

II

III

IV

I

II

III

IV

I

II

III

IV

I

II

III

IV

R
A
T
I
O

31.5

137

98.4

80.8

59

107

76.8

63.1

46

196

141

116

84.3

153

110

90.3

65.8

270

194

159

116

211

151

124

90.7

40

112

80.4

66.1

48.2

87.4

62.8

51.6

37.6

162

116

95.6

69.7

126

90.5

74.3

54.2

221

159

130

95

172

123

101

74

50

93

66.8

54.9

40

72.5

52.1

42.8

31.2

135

97

79.7

58.1

105

75.4

62

45.2

184

132

109

79.1

144

103

85

62

63

78

56

46

33.5

61

43.8

36

26.2

110

79

65

47.3

86

61.7

50.7

37

152

109

89.7

65.4

119

85.4

70.2

51.2

80

63

45.2

37.2

27.1

49

35.2

29

21.1

88

63.2

51.9

37.8

68.6

49.3

40.5

29.5

123

88.3

72.6

38

96

69

56.6

41.3

90

56

40.2

33

24.1

43.7

31.4

25.8

18.8

81

58.2

47.8

34.8

63.2

45.4

37.3

27.2

110

79

65

47.3

86

61.7

50.7

37

100

51

36.6

30.1

22

40

28.7

23.6

17.2

74

53.1

43.7

31.8

57.7

41.4

34

24.7

100

71.8

59

43

78

56

46

33.5

125

42

30.2

24.8

18.1

32.8

23.6

19.4

14.1

59

42.4

34.8

25.4

46

33

27.1

19.8

83

59.6

49

35.7

64.7

46.5

38.2

27.8

160

33

23.7

19.5

14.2

25.7

18.5

15.2

11.1

48

34.5

28.3

20.6

37.4

26.9

22.1

16.1

66

47.4

39

28.4

51.5

37

30.4

22.1

SIZE

HC-1120

HC-1250

RPM

960

720

960

720

Duty

I

II

III

IV

I

II

III

IV

I

II

III

IV

I

II

III

IV

R
A
T
I
O

31.5

380

273

224

163

300

215

177

129

529

380

312

227

418

300

247

180

40

311

223

183

134

246

177

145

106

431

309

254

185

340

244

201

146

50

260

187

153

112

205

147

121

88.2

364

261

215

157

288

207

170

124

63

213

153

126

91.6

168

121

99

72.2

300

215

177

129

237

170

140

102

80

172

123

101

74

136

97.6

80

58.5

246

177

145

106

194

139

114

83.4

90

157

113

92.6

67.5

124

89

73.2

53.3

221

159

130

95

175

126

103

75.3

100

142

102

83.8

61.1

112

80.4

66.1

48.2

197

141

116

84.7

156

112

92

67.1

125

115

82.6

67.9

49.5

91

65.3

53.7

39.1

162

116

95.6

69.7

128

92

75.5

55

160

93

66.8

54.9

40

73.5

52.8

43.4

31.6

130

93.3

76.7

56

103

74

60.8

44.3