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JAB Rock Breaker Series
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JAB RockBreaker Series Technical Data

Standard Specifications

Description Model UNIT RB15 RB21 RB25 RB28 RB36 RB48
Operating Weight Kg 1,050 1,660 1,860 2,250 2,600 3,300
lbs 2,315 3,660 4,100 4,960 5,731 7,275
Impact Rate b.p.m 350-550 350-500 350-500 360-520 320-420 300-400

Operating Pressure
(Breaker)

bar 140 140 140 140 145 155
psi 1,988 1,988 1,988 1,9881 2,060 2,060
Relief Setting Pressure
(Machine)
bar 175 175 175 175 185 190
psi 2,485 2,485 2,485 2,485 2,627 2,698
Back Pressure bar 5 5 5 5 5 5
psi 71 71 71 71 71 71
Accumulator Pressure bar 405 40±5 40±5 40±5 40±5 40±5
psi 568 568 568 568 568 568
Required of Flow lpm 70-110 120-160 120-160 160-230 170-240 190-250

Tool Shank Director
(Moll Point Type)

mm/inch 115/4.5" 130/5.1" 130/5.1" 140/5.5"" 155/6.1 170/6.9"
Length(mm) 1,050 1,100 1,100 1,200 1,300 1,450
kg 82 100 100 128 170 228
Suitable Excavator ton 13~20 20~30 22~34 28~40 32~45 40~60
lbs

28,660~

44,090

44,090~

66,135

48,500~

74,950

61,720~

88,180

70,540~

99,200

88,180~

132,270

Noise Level LPA/LWA 94/122 95/123 95/123 96/124 97/125 98/126

* The above specifications are subject to change without prior notice for the quality enhancement.

*Operating weight is the weight including Hammer box with standard Mounting cap & working Tool.

* Housing Type- Source Type.Round type


   
 
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