Type

4LZ54*3.5

5LZ65*3.5

5LZ73*3.5

5LZ90*3.5

5LZ95*3.5

bore size

mm

60-76

79-95

89-114

114-152

118-152

in

23/8-3

31/8-33/4

31/2-41/2

41/2-6

45/8-6

motor drawdown

MPa

3.2

3.4

3.4

2.8

2.8

output torque

N.m

120

200

200

900

900

recommended bit weight

t

0.3

0.4

0.4

1

1

Max bit weight

t

0.5

0.7

0.7

1.5

1.5

input flow

L/S

2-3

3-4

3-4

6-8

6-8

bit waterhole drawdown

MPa

1.0-3.4

1.0-3.4

1.0-3.4

1.0-3.4

1.0-3.4

bit speed

r/min

250-400

240-380

200-240

110-170

110-170

O.D 

mm

54

65

73

90

95

connection thread

upper

1.660TBG

1.900TBG

23/8TBG

27/8TBG

27/8TBG

lower

1.660TBG

1.900TBG

23/8TBG

27/8TBG

27/8UPTBG