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HIGH PERFORMANCE, RELIABILITY and DURABILITY

JB hydraulic breaker series are crystallization of accumulated technology and excellent know-how relayed since the first development of hydraulic breaker.


EASY APPLICATION TO ALL CARRIER

JB hydraulic breaker can be applied to all kinds of carriers
such as SKID-STEER LOADER, MINI-EXCAVATOR, BACKHOE LOADER and EXCAVATOR.
The good match between JB breakers and carriers create much performance and productivity.


JB HYDRAULIC BREAKERS OFFER

  • High impact energy
  • High performance with precise control valve
  • Low maintenance costs
  • Highly efficient design and appearance
  • Each 12 models for OPEN & SILENCED type of breakers according to your job-site conditions
JB SILENCED TYPE
JB OPEN TYPE
Standard Specifications
Model
/
Description		 UNIT JB8 JB10 JB20 JB30
Operating
Weight
(incl. tool)		 OPEN (T) KG / lbs 97 / 213 162 / 357 281 / 620 383 / 843
SILENCED (II) KG / lbs 108 / 238 216 / 475 385 / 848 458 / 1,010
Impact Rate b.p.m 700 ~ 1,200 550 ~ 1,000 500 ~ 950 450 ~ 1,100
Operation
Pressure
(Breaker)		 bar 80~100 90~120 95~130 100~130
psi 1,140 ~ 1,420 1,280 ~ 1,700 1,350 ~ 1,850 1,422~1,850
Setting
Pressure
(Machine)		 bar / psi 130 / 1,846 150 / 2,130 160 / 2,272 160 / 2,272
Back
Head
Pressure		 bar / psi 12 / 170 16 / 227 16 / 227 16 / 227
Accumulator
Pressure		 bar - - - -
Required
Oil Fow (l/min)		 lpm(gpm) 15 ~ 25 25 ~ 40 30 ~ 60 40 ~ 90
Tool
Shank
Diameter
(Moil Type)		 mm / inch 45 / 1.8 53 / 2.1 68 / 2.7 75 / 2.9
kg 4 8 18 23
Suitable
Excavator		 ton 1 ~ 2 2 ~ 3.5 4 ~ 6 4.5 ~ 7
lbs 2,200 ~ 4,400 4,440 ~ 7,700 8,800 ~ 13,200 9,900 ~ 15,400
Noise
Level		 LPA 85 86 87 88
LWA 113 114 115 116

Model
/
Description		 UNIT JB40 JB60 JB70 JB71
Operating
Weight
(incl. tool)		 OPEN (T) KG / lbs 592 / 1,305 975 / 2,149 1,409 / 3,106 1,525 / 3,362
SILENCED (II) KG / lbs 607 / 1,338 1,019 / 2,246 1,342 / 2,958 1,481 / 3,265
Impact Rate b.p.m 400~750 450 ~ 700 450 ~ 700 350 ~ 650
Operation
Pressure
(Breaker)		 bar 130~150 150 ~ 170 150 ~ 170 150 ~ 170
psi 1,850~2,130 2,130 ~ 2,410 2,130~2,410 2,130~2,410
Setting
Pressure
(Machine)		 bar / psi 180 / 2,556 200 / 2,840 200 / 2,840 200 / 2,840
Back
Head
Pressure		 bar / psi 16 / 227 16 / 227 6 / 85 13 / 185
Accumulator
Pressure		 bar / psi - - 60 / 853 60 / 853
Required
Oil Fow (l/min)		 lpm(gpm) 45 ~ 80 80 ~ 110 90 ~ 120 90 ~ 120
Tool
Shank
Diameter
(Moil Type)		 mm / inch 85 / 3.3 100 / 3.9 120 / 4.7 125 / 4.9
kg 31 50 88 90
Suitable
Excavator		 ton 6~10 10~16 13~21 15~24
lbs 13,200~22,000 22,000~35,200 28,600~46,200 33,000~52,800
Noise
Level		 LPA 88 89 90 90
LWA 116 117 118 118

Model
/
Description		 UNIT JB80 JB81 JB101 JB110
Operating
Weight
(incl. tool)		 OPEN (T) KG / lbs 1,840 / 4,056 2,042 / 4,502 2,270 / 5,004 2,409 / 5,311
SILENCED (II) KG / lbs 1,762 / 3,580 2,012 / 3,920 2,177 / 4,799 2,254 / 4,740
Impact Rate b.p.m 450 ~ 600 350 ~ 450 350 ~ 420 400 ~ 550
Operation
Pressure
(Breaker)		 bar 160 ~ 180 160 ~ 180 160~180 160 ~ 180
psi 2,275 ~ 2,500 2,275 ~ 2,500 2,275~2,500 2,275~2,500
Setting
Pressure
(Machine)		 bar / psi 210 / 2,985 210 / 2,985 210/2,985 220 / 3,124
Back
Head
Pressure		 bar / psi 6 / 85 13 / 185 13 / 185 6 / 85
Accumulator
Pressure		 bar / psi 60 / 853 60 / 853 60 / 853 60 / 853
Required
Oil Fow (l/min)		 lpm(gpm) 125~150 125~150 160 ~ 190 160~190
Tool
Shank
Diameter
(Moil Type)		 mm / inch 135 / 5.3 140 / 5.5 145 / 5.7 150 / 5.9
kg 115 135 157 155
Suitable
Excavator		 ton 18 ~ 26 20 ~ 30 24 ~ 35 24 ~ 34
lbs 39,600 ~ 57,200 44,000 ~ 60,000 52,910 ~ 77,161 52,800 ~ 74,800
Noise
Level		 LPA 91 91 93 93
LWA 119 119 121 121

Model
/
Description		 UNIT JB111 JB121 JB141 JB171
Operating
Weight
(incl. tool)		 OPEN (T) KG / lbs 2,750 / 6,062 3,323 / 7,326 3,630 / 8,002 4,381 / 9,658
SILENCED (II) KG / lbs 2,650 / 5,290 3,038 / 5,840 3,434 / 6,835 4,183 / 8,818
Impact Rate b.p.m 300~500 280 ~ 360 250 ~ 330 230 ~ 320
Operation
Pressure
(Breaker)		 bar 160~180 160~180 160 ~ 180 160~180
psi 2,275~2,500 2,275~2,500 2,275 ~ 2,500 2,275 ~ 2,500
Setting
Pressure
(Machine)		 bar / psi 220 / 3,124 220 / 3,124 220 / 3,124 220 / 3,124
Back
Head
Pressure		 bar 8 / 113 13 / 185 13 / 185 13 / 185
Accumulator
Pressure		 bar 60 / 853 60 / 853 60 / 853 60 / 853
Required
Oil Fow (l/min)		 lpm(gpm) 160~190 190 ~ 250 200 ~ 260 210 ~ 290
Tool
Shank
Diameter
(Moil Type)		 mm/inch 150 / 5.9 155 / 6.1 160 / 6.3 170 / 6.7
kg 163 195 200 250
Suitable
Excavator		 ton 30 ~ 40 34 ~ 45 38 ~ 50 45 ~ 60
lbs 66,000 ~ 88,000 74,800 ~ 99,000 83,600 ~ 110,000 99,000 ~ 132,000
Noise
Level		 LPA 93 94 94 94
LWA 121 122 122 122
* Above specifications are subject to change without prior notice.