Proven Reliability & Value!

GENERAL BREAKER constantly strives to maximize the satisfaction of our customers throughout the world by offering high-quality products at competitive prices along with prompt and professional after-sales service.

In addition, we are exerting our utmost efforts to develop and apply innovative technology to the manufacture of GB Hydraulic Hammers and Insertion Tools.

General Breaker

Specialized in manufacturing, supplying Hydraulic Breakers and Insertion Tools whose features are:
  • Superior Power / Efficiency
  • Reliable Availability
  • High Productivity
  • Extended Durability
  • Simple & Easy Maintenance
  • Quick Customer Service

GB Bracket Type

Side Bracket Type (Triangle Type)

GBN10TS / GBN20TS / GBN30TS / GBN45TS / GBN60TS / GBN70TS / GBN100TS / GBN140TS / GBN170TS / GBN210TS / GBN220TS / GBN400TS / GBN800TS / GBN300ES / GBN400ES / GBN450ES / GBN600ES

Box Type (Low Noise Type)

GBN10TL / GBN20TL / GBN30TL / GBN45TL / GBN60TL / GBN70TL / GBN100TL / GBN140TL / GBN170TL / GBN210TL / GBN220TL / GBN400TL / GBN800TL / GBN300EL / GBN400EL / GBN450EL / GBN600EL

Side Plate Type (Top Type)

GBN10T / GBN20T / GBN30T / GBN45T / GBN60T / GBN70T / GBN100T / GBN140T / GBN170T / GBN210T / GBN220T / GBN400T / GBN800T / GBN300E / GBN400E / GBN450E / GBN600E

Uni Ram Type

GBN10TU / GBN20TU / GBN30TU / GBN45TU / GBN60TU / GBN70TU / GBN100TU / GBN140TU

For Back Hoe Loader

GBN60TB / GBN70TB

T-Series

GB Models satisfy what operators want to achieve.

Specifications (T-Series)

Description Model BASE MODEL GBN20 GBN30 GBN45 GBN60 GBN70
GBN10 SERIES GBN20T GBN30T GBN45T GBN60T GBN70T
Operating
Weight
Kg 139 325 397 551 683 838
lb 298 320 875 1,215 1,506 1,848
Kg 75 86 160 225 324 380
Tool Kg 65 60 83 112 156 192
Diameter 40 45 53 60 70 75
Operating Pressure
[Breaker]
bar 80–100 80–100 90–120 100–130 95–130 100–140
psi 1,160–1,450 1,160–1,450 1,305–1,740 1,450–1,885 1,377–1,885 1,450–2,030
Setting Pressure [Machine] bar 150 160 150 160 170 180
psi 2,175 2,175 2,175 2,320 2,465 2,610
Impact Rate bpm 800–1,500 800–1,500 600–1,000 450–1,000 450–1,000 375–950
Accumulator Pressure N2-Gas bar / psi NONE ACCUMULATOR
Back Head Pressure N2-Gas bar / psi 14 / 203 14 / 203 16 / 232 16 / 232 16 / 232 16 / 232
l/min 3.9–7.0 5.0–9.0 6.5–13.2 7.9–15.8 8.9–15.8 10.5–21.1
Required Oil Flow ton 1 0.8 1.2 1.5 1.8 2.1
Min 1 3 4.5 5.5 7 9
Suitable
Excavator
Max 2 3 6 7 8 10
ton 1 2 3 5 6 7
Impact Energy J 157 168 318 493 579 622
ft/lb 116 124 235 364 427 459

Here is the most advanced technology in Hydraulic Breakers.

Specifications (T-Series)

Description Model BASE MODEL GBN140 GBN170
GBN100T GBN140T GBN170T
Operating
Weight
Kg 1,257 1,962 2,646
lb 613 850 1,280
Kg 2,832 4,324 5,829
Tool Kg 266 434 520
Diameter 90 100 125
Operating Pressure
[Breaker]
bar 130–160 150–170 150–170
psi 1,885–2,320 2,175–2,465 2,175–2,465
Setting Pressure [Machine] bar 190 200 200
psi 2,755 2,900 2,900
Impact Rate bpm 480–850 450–700 420–730
Accumulator Pressure N2-Gas bar / psi NONE ACCUMULATOR
Back Head Pressure N2-Gas bar / psi 16 / 232 16 / 232 16 / 232
l/min 11.8–22.4 22.4–29 26.4–31.6
Required Oil Flow ton 6 10 15
Min 13 17 20
Suitable
Excavator
Max 10 14 17
ton 10 14 17
Impact Energy J 1,143 1,785 2,524
ft/lb 843 1,317 1,862

F-series

GB Models satisfy what operators want to achieve.

SPECIFICATIONS (F-Series)

Model Description BASE MODEL GB8AF GB9F GB11F GB40F
GBN SERIES GBN210T GBN220T GBN400T GBN800T
Operating Weight (Tool + M/C) Silenced Kg 1,700 1,930 2,400 6,600
lb 3,748 4,255 5,291 14,551
Open Top Kg 1,800 2,020 2,640 6,820
lb 3,968 4,453 5,820 15,036
Main Body Weight Kg 682 812 1,114 2,900
Tool (Moil Type) Weight Kg 125 129 193 420
Diameter mm 135 140 155 210
Operating Pressure (Breaker) bar 160 ~ 180 160 ~ 180 160 ~ 180 160 ~ 180
psi 2,320 ~ 2,610 2,320 ~ 2,610 2,320 ~ 2,610 2,320 ~ 2,610
Setting Pressure (Machine) bar 210 210 220 220
psi 3,045 3,045 3,190 3,190
Impact Rate bpm 350 ~ 680 280 ~ 550 280 ~ 550 195 ~ 260
Accumulator Pressure (N2-Gas) bar / psi 60 / 870
Back Head Pressure (N2-Gas) bar / psi 16 / 232 16 / 232 16 / 232 16 / 232
Required Oil Flow l/min 120 ~ 150 120 ~ 150 160 ~ 240 300 ~ 400
g/min 31.6 ~ 39.6 31.6 ~ 39.6 42.2 ~ 63.3 79.2 ~ 105.6
Suitable Excavator Min (ton) 18 20 28 55
Max (ton) 28 30 40 100
Suitable (ton) 20 24 34 80
Impact Energy J 4,053 3,991 6,133 20,959
ft/lb 2,989 2,944 4,523 15,459

E-series

Here is the most advanced technology in Hydraulic Breakers.

SPECIFICATIONS (E-Series)

Model Description BASE MODEL GB300E GB510E GB530E III GB630E
GBN SERIES GBN300E GBN400E GBN450E GBN600E
Operating Weight (Tool + M/C) Silenced Kg 2,200 2,800 3,360 4,900
lb 4,850 6,173 7,408 10,803
Open Top Kg 2,390 2,950 3,240 4,890
lb 5,269 6,504 7,143 10,781
Main Body Weight Kg 889 1,228 1,270 1,910
Tool (Moil Type) Weight Kg 162 213 226 288
Diameter mm 150 160 165 180
Operating Pressure (Breaker) bar 160 ~ 180 160 ~ 180 160 ~ 180 160 ~ 180
psi 2,320 ~ 2,610 2,320 ~ 2,610 2,320 ~ 2,610 2,320 ~ 2,610
Setting Pressure (Machine) bar 220 220 220 220
psi 3,190 3,190 3,190 3,190
Impact Rate bpm 300 ~ 650 260 ~ 450 120 ~ 340 100 ~ 250
Accumulator Pressure (N2-Gas) bar / psi 60 / 870
Back Head Pressure (N2-Gas) bar / psi 6 / 87 6 / 87 16 / 232 12 / 174
Required Oil Flow l/min 150 ~ 190 180 ~ 250 190 ~ 280 250 ~ 340
g/min 39.6 ~ 50.1 47.5 ~ 66 50.1 ~ 73.9 66 ~ 89.7
Suitable Excavator Min (ton) 24 33 37 44
Max (ton) 36 50 55 70
Suitable (ton) 30 40 45 55
Impact Energy J 4,176 5,777 9,823 12,933
ft/lb 3,080 4,261 7,245 9,539
Guaranteed
Satisfaction!

Functions

Extended piston stroke

  • Smoother operation
  • Minimal repercussion on carrier

Improved properties(Piston)

  • Improved emergency running properties
  • Manufactured with high-quality nickel & vanadium alloy steel

GB Tool

  • Exceptional performance and reliability
  • Manufactured with high-quality alloy steel

Back Head

  • Power accumulator

Lubrication adequate for entire shift

  • Reduced wear and tear
  • Consistent availability due to extended maintenance intervals

Cylinder & Valve

  • Prevents scoring with precision finishing treatment

Tie rod

  • Dynamic screw design prevents damage

Accumulator(Some models applied)

  • Reduced irregular pulse pressure on hydraulic circuit
  • Improved striking power with supply of accumulated gas pressure

Quality Materials + Quality Control =
Quality Guaranteed Products

GB uses only the highest quality materials which are machined by our experienced technicians utilizing state-of-the-art manufacturing technology and production machinery.

GB's stringent quality control procedures ensure superior quality hydraulic hammers.

  • - Precision machining
  • - Strict monitoring of temperatures and time intervals for multi-phase heat treatment processes
  • - Precision welding of hammer holders, hammer brackets and adapters
  • - Stringent, continuous quality control checks and comprehensive final testing of all GB hydraulic hammers prior to delivery

GB TOOL

GB insertion tools match the hammer exactly with regards to

  • Dimensions
  • Grade of Special steel(manufactured with high-quality alloy steel)
  • Multistage heat treatment and tempering
Moil point

- Fine/medium concrete demolition, non-stratified rock

- Secondary mining of soft/medium blocks

Wedge

- Types of digging or narrow trenching of soft/medium stratified rock

Blunt

- Breaking blocks(up to medium hardness) or cutting blocks to size

Cone

- Universal tool

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