1. www.gbhammer.com
GB Hydraulic Breaker
Proven Solutions for Demolition / Mining / Rock Breaking Jobs
Exceptional Performance & Quality!
Cat No. E201012

2. 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 additon, we are exerting our utmost efforts
to develop and apply innovative technology to
the manufacture of GB Hydraulic Hammers
and Insertion Tools.
2 | GB Hydraulic Breaker

3. www.gbhammer.com
General Breaker
Specialized in manufacturing, supplying Hydraulic Breakers and
Insertion Tools whose features are :
∙Superior Power / Efficiency ∙Extended Durability
∙Reliable Availability ∙Simple & Easy Maintenance
∙High Productivity ∙Quick Customer Service
GB Bracket Type
Side Bracket Type Side Plate Type Box Type For Back Hoe
Uni Ram Type
(Triangle Type) (Top Type) (Low Noise Type) Loader
Side Bracket Type Side Plate Type
(Triangle Type) (Top Type)
GBM60S/GBM90S/GBM120S/GBM180S/GB2TS/ GBM60/GBM90/GBM120/GBM180/GB2T/GB3TP/
GB3TPS/GB4TS/GB5TS/GB150S/GB6TS/GB8ATS(GB7TS)/ GB4T/GB5T/GB150/GB6T/GB8AT(GB7T)/GB8T/
GB8TS/GB8AFS/GB9FS/GB11FS/GB14FS/ GB8AF/GB9F/GB11F/GB14F/
GB170ES/GB220ES/GB300ES/GB500ES/ GB170E/GB220E/GB300E/GB500E/
GB530ES-Ⅱ/GB600ES GB530E-Ⅱ/GB600E
Box Type Uni Ram Type
(Low Noise Type) GBM60U/GBM90U/GBM120U/GBM180U/GB2TU/
GB3TPU/GB4TU/GB5TU
GBM60L/GBM90L/GBM120L/GBM180L/GB2TL/GB3TPL/
GB4TL/GB5TL/GB150L/GB6TL/GB8ATL(GB7TL)/
GB8TL/GB8AFL/GB9FL/GB11FL/GB14FL/ For Back Hoe Loader
GB170EL/GB220EL/GB300EL/GB500EL/ GB2TB/GB3TPB
GB530EL-Ⅱ/GB600EL
GB Hydraulic Breaker | 3

4. GENERAL BREAKER
T-series Here is the most advanced
GB Models satisfy
what operators want to achieve.
GBM60L GBM90L GBM120L GBM180L GB2TL GB3TPL GB4TL
SPECIFICATIONS
Description Unit GBM60 GBM90 GBM120 GBM180 GB2T GB3TP GB4T GB5T GB150 GB6T GB8AT(7TL) GB8T
lit/min 15~30 20~35 24~50 30~60 34~60 40~80 45~85 85~110 90~115 100~120 120~150 120~150
Oil flow rate
gpm 4~8 5~9 6~13 8~16 9~16 10~21 12~22 22~29 24~30 26~32 32~40 32~40
Operating oil bar 75~95 80~100 90~120 100~130 95~130 100~140 130~150 150~170 150~170 150~170 160~180 160~180
pressure psi 1,102~1,380 1,176~1,470 1,323~1,764 1,450~1,885 1,396~1,911 1,470~2,058 1,911~2,205 2,205~2,499 2,205~2,499 2,205~2,499 2,352~2,646 2,352~2,646
bar 150 150 150 160 160 160 180 200 200 200 210 210
System relief
psi 2,175 2,175 2,175 2,320 2,320 2,320 2,610 2,900 2,900 2,900 3,045 3,045
Blows per minute bpm 800~1,400 650~1,200 550~1,100 500~1,000 450~1,000 475~950 480~850 450~780 420~730 420~700 350~680 320~660
joule 180 220 320 450 600 700 1,270 2,000 2,200 2,950 4,500 5,000
Impact energy
foot-pounds 133 166 239 332 442 516 940 1,475 1,622 2,175 3,319 3,688
mm 40 45 53 60 70 75 90 100 115 125 135 140
Tool diameter
inch 1.57 1.77 2.08 2.36 2.75 2.95 3.54 3.93 4.53 4.92 5.31 5.51
mm 13 13 13 13 13 13 19 19 25 25 25 25
Oil hose diameter
inch 1/2 1/2 1/2 1/2 1/2 1/2 3/4 3/4 1 1 1 1
Back head sealed bar 14 14 16.3 16.3 16.3 16.3 16.3 16.3 14 16.3 16.3 16.3
gas pressure psi 203 203 236 236 236 236 236 236 203 236 236 236
4 | GB Hydraulic Breaker

5. GENERAL BREAKER
technology in Hydraulic Breakers
GB5TL GB150L GB6TL GB8ATL(GB7TL) GB8TL
Description Unit GBM60 GBM90 GBM120 GBM180 GB2T GB3TP GB4T GB5T GB150 GB6T GB8AT(7TL) GB8T
kg 135 145 180 250 310 350 570 890 960 1,200 1,700 1,860
Low noise box type
with mounting cap lb 297 319 397 551 682 772 1,254 1,958 2,112 2,640 3,740 4,092
Operating
weight kg
Side plate type 75 86 160 225 324 380 613 850 920 1,280 1,800 1,980
with mounting cap
lb 165 189 353 496 713 836 1,349 1,870 2,024 2,816 3,960 4,356
Height with tool mm 988 1,082 1,224 1,284 1,384 1,451 1,789 2,043 1,984 2,264 2,411 2,477
(without mounting cap, Low
noise box type) inch 38.9 42.6 48.2 50.6 54.5 57.1 70.4 80.4 78.1 89.1 94.9 97.5
Low noise box type m 7 7 8 10 10 11 12 13 14 14 15 16
85dB(A)
radius m
Side plate type 12 12 13 16 16 18 21 31 32 33 35 37
ton 0.7~2.5 1.2~3 2.5~4.5 3.0~5.5 3.5~7 5~9 6~13 10~17 13~18 15~20 18~28 20~30
Min / Max
lbs 1,540~5,500 1,640~6,600 5,500~9,900 6,600~12,000 7,700~15,400 11,000~19,800 13,200~28,600 22,000~37,400 28,600~39,600 33,000~44,000 39,600~61,600 44,000~66,000
Weight of
carrier ton 0.7~1.2 1.2~2.4 2.5~3.5 3.5~5 4~7 6~8 7~12 12~15 15~17 17~19 20~23 22~25
Suitable
lbs 1,540~2,640 2,640~5,280 5,500~7,700 7,700~11,000 8,800~15,400 13,200~17,600 15,400~26,400 26,400~33,000 33,000~37,400 37,400~41,800 44,000~50,600 48,400~55,000
Bucket capacity cbm 0.02~0.04 0.04~0.07 0.06~0.1 0.1~0.25 0.1~0.25 0.2~0.35 0.25~0.45 0.4~0.7 0.5~0.8 0.6~0.8 0.7~1.0 0.8~1.1
GB Hydraulic Breaker | 5

6. GENERAL BREAKER
F-series
GB8AFL GB9FL GB11FL GB14FL GB600EL
SPECIFICATIONS
Description Unit GB8AF GB9F GB11F GB14F GB170E GB220E GB300E GB500E GB530E-Ⅱ GB600E
lit/min 120~150 120~150 160~240 190~250 90~120 125~150 150~190 180~250 190~280 250~340
Oil flow rate
gpm 32~40 32~40 42~61 50~66 24~32 33~40 40~50 48~67 50~74 66~74
Operating oil bar 160~180 160~180 160~180 160~185 150~170 160~180 160~180 165~185 165~185 170~190
pressure psi 2,352~2,646 2,352~2,646 2,352~2,646 2,352~2,719 2,205~2,499 2,352~2,646 2,352~2,646 2,410~2,719 2,410~2,719 2,465~2,755
bar 210 210 210 210 200 210 210 210 210 220
System relief
psi 3,045 3,045 3,045 3,045 2,900 3,045 3,045 3,045 3,045 3,190
Blows per minute bpm 350~680 280~550 280~450 280~400 400~750 350�700 300�650 260~450 120~340 100~250
joule 4,500 5,100 6,100 9,500 2,800 4,800 6,000 9,000 10,500 12,500
Impact energy
foot-pounds 3,319 3,761 4,499 7,007 2,065 3,540 4,425 6,638 7,744 9,220
mm 135 140 155 160 120 135 150 160 165 180
Tool diameter
inch 5.31 5.51 6.1 6.3 4.72 5.31 5.9 6.3 6.5 7.1
mm 25 25 32 32 19 25 25 32 32 32
Oil hose diameter
inch 1 1 1 1/4 1 1/4 3/4 1 1 1 1/4 1 1/4 1 1/4
Back head sealed bar 16.3 16.3 16.3 16.3 6.2 6.2 6.2 6.2 16.3 16.3
gas pressure psi 236 236 236 236 90 90 90 90 236 236
Accumulator sealed bar 55 55 57 57 55 55 55 60 60 60
gas pressure psi 797 797 826 826 797 797 797 870 870 870
6 | GB Hydraulic Breaker

7. GENERAL BREAKER
E-series
GB530EL-Ⅱ GB500EL GB300EL GB220EL GB170EL
Description Unit GB8AF GB9F GB11F GB14F GB170E GB220E GB300E GB500E GB530E-Ⅱ GB600E
kg 1,770 1,930 2,400 3,150 1,120 1,750 2,200 3,200 3,360 4,900
Low noise box type
with mounting cap lb 3,894 4,246 5,280 6,930 2,464 3,850 4,840 7,040 7,407 10,780
Operating
weight kg
Side plate type 1,830 2,020 2,640 3,040 1,280 1,820 2,390 3,150 3,240 4,890
with mounting cap lb 4,026 4,444 5,808 6,688 2,816 4,004 5,258 6,930 7,128 10,758
Height with tool mm 2,411 2,477 2,880 2,970 2,095 2,412 2,651 2,953 2,974 3,280
(without mounting cap, Low
noise box type) inch 94.9 97.5 113.4 116.9 82.5 95 104.4 116.3 117 129.1
85dB(A) Low noise box type m 15 16 17 18 14 15 16 17 19 20
radius
Side plate type m 35 37 42 43 33 35 37 41 43 44
ton 18~28 20�30 28~40 32~45 13~20 18~25 27~40 32~45 37~55 44~70
Min / Max
lbs 39,600~61,600 44,000~66,000 61,600~88,000 70,400~99,000 28,600~44,000 39,600~55,000 59,400~88,000 70,400~99,000 81,400~121,000 96,800~154,000
Weight of
carrier ton 20~23 22~25 30~36 35~40 17~18 20~23 28~32 35~40 40~49 50~65
Suitable
lbs 44,000~50,600 48,400~55,000 66,000~79,200 77,000~88,000 37,400~39,600 44,000~50,600 61,600~70,400 77,000~88,000 88,000~107,800 110,000~143,000
Bucket capacity cbm 0.7~1.0 0.8~1.1 1.1~1.5 1.4~1.9 0.7~0.9 0.7~1.0 1.1~1.5 1.5~2.2 1.9~2.5 2.5~3.3
GB Hydraulic Breaker | 7

8. Valve
s
rie
se
T
Valve
Accumulator
ries
se
Functions F
Extended piston stroke
- Smoother operation
- Minimal repercussion on carrier Valve housing
Improved properties(Piston) Valve
- Improved emergency running properties
Accumulator
- Manufactured with high-quality nickel
& vanadium alloy steel
GB tool
- Exceptional performance and reliability
s
rie
- Manufactured with high-quality alloy steel
Back Head
- Start-up safety (Particular models applied) se
- Power accumulator E
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
- Reduces irregular pulse pressure on hydraulic circuit
- Improved striking power with supply of accumulated
gas pressure
8 | GB Hydraulic Breaker

9. 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 supplies the right tool ■ Moil point(pyramid point)
∙Fine/medium concrete demolition,
for your every job! non-stratified rock
∙Secondary mining of soft/medium blocks
GB insertion tools match the hammer
exactly with regards to ■Wedge
∙All type of digging or narrow trenching of
∙Dimensions soft/medium stratified rock
∙Grade of special steel(manufactured with
high-quality alloy steel)
■Blunt
∙Multistage heat treatment and tempering
∙Breaking blocks(up to medium hardness)
or cuttting blocks to size
■Cone
∙Universal tool
GB Hydraulic Breaker | 9

10. GB-The right solutions on Attachments
Crusher & Pulverizer
Rotating Crusher Rotating Pulverizer Fixed Type Pulverizer
Features (Rotating Crushers & Pulverizer) (1 Cylinder)
- For powerful crushing performance.
- Twin-cylinder rotating processor
with Interchangeable jaws.
- Extended Durability with special steel.
- Available in cutting steel reinforcing.
- Innovation of opening and shutting speed.
- 360。 Rotation by Hydraulic Motor
Changeable
Jaw for 1st demolition Jaw for 2nd demolition
(Crusher) (Pulverizer)
GBMC-201Ⅱ GBMP-201Ⅱ
SPECIFICATIONS
Rotating Crusher & Pulverizer (Changeable Jaw) Fixed Type Pulverizer
Description
Unit GBMC-201Ⅱ(GBMP-201Ⅱ) GBMC-301Ⅱ(GBMP-301Ⅱ) GBP-300
Operating Weight kg 1,650 2,630 2,334
Operating Pressure kgf/cm2 300 320 320
Max. Opening Width mm 900 1,100 900
Crushing Force ton 77 138 147
Cutting Force ton 225 335 270
Rotation degree 360。 360。 Fixed
Cutter Length mm 200 200 200
Overall Length mm 2,220 2,700 2,300
Suitable Excavator ton 18~26 26~32 26~32
Shear Features
- Powerful cutting force.
- Longer durability with strong power.
- Easy cutter change. SPECIFICATIONS
- Increased working efficiency with high speed.
- 360。 Rotation by Hydraulic motor. Description Unit GBMS-301 GBMS-301Ⅱ
Operating Weight kg 2,450 2,800
Overall Length mm 2,400 2,650
Overall Width mm 1,140 1,650
Overall Height mm 810 830
Max. Opening Width mm 570 602
Cutter Length mm 600 585
Cutting Force ton 270 330
Operating Pressure kgf/cm2 320 320
Operating Oil Pressure LPM 250~300 250~300
Suitable Excavator ton 26~32 27~36
Motor Setting Pressure kgf/cm2(psi) 160 (2,270) 160 (2,270)
Hydraulic Motor LPM 15~60 15~60
Motor
Rotating Rotation GPM 5.68~15.7 5.68~15.7
Twin-Cylinder One-Cylinder
Shear Shear Rotation Speed RPM 10~18 10~18
(GBMS-301Ⅱ) (GBMS-301)
10 | GB Hydraulic Breaker

11. applicable to various carriers
Vibro Hammer
Features
- Can be directly connected with excavator
(no need crane).
- Superior working efficiency and wide
range of works.
- Blows per minute is high but low noise.
- Available in hydraulic breaker piping
- 360。 Rotation
SPECIFICATIONS
Revolutions Impact Operating Oil Flow Operating Suitable
Model Length
Per Minute Energy Oil Pressure Rate Weight Excavator
GVH3000 3000rpm 51ton 200kgf/cm2 180ℓ/min 1,670kg 2,150mm 25~35ton
Quick Coupler
Features
- The highest quality steel material.
- Reliable Availability.
- Extended Durability.
- Simple & Easy Maintenance.
- Fits any Excavator.
Fixed Type Free Type
SPECIFICATIONS
Fixed Type Free Type
Description
Unit GL200F GL300F GL400F GL500F GL30FR GL50FR GL80FR GL130FR GL200FR GL300FR GL400FR
Overall Length mm 909~924 967~1,015 976~1,143 1,192 306~475 534~545 618 765 924~944 983~1,050 1,106~1,173
Overall Width mm 468~483 518~554 606~663 625 175~242 258~263 326 353~436 449~483 543~568 606~663
Overall Height mm 465 514 558~610 587 230~268 307 325 388 492 574 558~610
Equipping Distance mm 400~480 450~560 520~590 550~600 90~140 208~318 275~360 340~430 400~480 450~560 520~590
Distance between High & Low Pin mm 275 300 350 350 159~165 150 200 220 275 300 360
Operating Oil Pressure ℓ/min 10~20 10~20 10~20 10~20 10~20 10~20 10~20 10~20 10~20 10~20 10~20
Operating Pressure kgf/cm2 40~380 40~380 40~380 40~380 40~380 40~380 40~380 40~380 40~380 40~380 40~380
Suitable Excavator ton 18~26 27~30 32~38 40 Over 1~3 3~5 6~8 8~15 18~26 27~30 32~38
GB Hydraulic Breaker | 11

12. Proven Quality & Value!
642-9 Gahyeon-Ri, Tongjin-Eup, Gimpo-City, Gyeonggi-Do, KOREA
Phone : +82-31-9882206 Fax : +82-31-9882208
E-mail : gb1988@unitel.co.kr, info@gbhammer.com
www.gbhammer.com
Distributor