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DJ4 LOCKING HYDRAULIC DRILLING JAR [ Overview ] [ Operating Instructions ] [ Specifications ] [ Brochures ]

Specifications

English Units
 

DJ4-475

DJ4-650

DJ4-675

DJ4-800

DJ4-900

Outside Diameter (in)

4 3/4

6 1/2

6 3/4

8

9

Inside Diameter (in)

2 1/8

2 1/8

2 1/4

2 3/4

2 3/4

Length (ft)

13 1/2 or 31

13 1/2 or 31

13 1/2 or 31

13 1/2 or 31

13 1/2 or 31

Approx. Shipping Weight (lb)

600 or 1400

1100 or 2900

1200 or 3100

1600 or 4200

2300 or 5700

Maximum Over-Pull  (lb)

67,250

159,500

185,500

237,500

323,000

Tensile Yield (lb)

250,000

518,000

725,000

1,000,000

1,150,000

Pump Open Force Area (in²)

6

9

11

16

19

Stroke Up/Down (in)

7/15

7/15

7/14

7/15

7/15

Maximum Torque (ft-lb)

18,000

40,000

52,000

77,000

118,000

SI Units
 

DJ4-475

DJ4-650

DJ4-675

DJ4-800

DJ4-900

Outside Diameter (mm)

121

165

171

203

229

Inside Diameter (mm)

54

54

57

70

70

Length (m)

4.1 or 9.4

4.1 or 9.4

4.1 or 9.4

4.1 or 9.4

4.1 or 9.4

Approx. Shipping Weight (kg)

300 or 600

500 or 1300

500 or 1400

700 or 1900

1000 or 2600

Maximum Over-Pull  (daN)

29,900

82,500

89,000

105,600

143,700

Tensile Yield (daN)

111,200

230,400

322,500

445,000

511,500

Pump Open Force Area (cm²)

38

57

71

103

121

Stroke Up/Down (cm)

18/39

17/38

17/36

19/37

18/37

Maximum Torque (N-m)

25,100

54,200

70,500

104,400

160,000