ROCK BREAKER HIRE

DOWIN Rock Breakers

These rock breakers are made in South Korea using superior quality alloy steel that provides excellent durability.

The pressurized N2 gas in the main power cell allows operating with less demand on the base machine’s hydraulic power.

Fewer components

  • DOWIN T series breakers are designed to harmonise the long piston stroke with the nitrogen cushion on the top of the piston, creating less shock and vibration than competing breakers.
  • The Box Type breaker was developed to minimize noise during operation, with the use of sound-absorbing materials and a noise-reducing frame design; very useful for job sites in urban areas.
  • Outstanding Power to Weight Ratio
  • High Performance with Qualified Control Valve

See the Table below for full specifications.

Hydraulic Rock Breaker
hydraulic rock breaker
An image of a hydraulic rock breaker
Image of a Dowin hydraulic rock breaker
Image of a Dowin hydraulic rock breaker
Description Unit DW T15 DW T30 DW T50 DW T70
Operating
Weight
(Including Rod)		 Box kg 102 152 295 375
Open kg 72 130 290 370
Side kg 70 90 250 380
Length
(Including Rod)		 Box/Open mm 1135 1342 1600 1860
Side mm 960 1150 1347 1170
Optimum Oil Flow l/min 15-25 25-50 40-70 50-90
Setting Pressure
(Base Machine)		 bar
(kg/cm³)		 180-210 180-210 180-210 180-210
Operating Pressure bar
(kg/cm³)		 90-120 90-120 110-140 120-150
psi 1280-1707 1280-1707 1565-1991 1707-2134
Rod Diameter mm 40 53 68 75
Impact Rate bpm 800-1400 600-1100 500-900 400-800
Hose Diameter inch 1/2 1/2 1/2 1/2
Base Machine Weight m³ 0.05-0.07 0.06-0.2 0.15-0.3 0.2-0.35
ton 0.8-2.5 2.5-4.5 4-7 6-9
lb 1,760-5,500 5,500-9,900 9,900-15,400 13,200-19,840
Impact Energy Class Description joule 200 320 690 900

The above specifications are subject to change without prior notice for quality improvement.

Description Unit DW T80 DW T100 DW T200 DW T300 DW T380
Operating
Weight
(Including Rod)		 Box kg 571 861 1825 1500 2635
Open kg 575 890 1780 1490 2490
Side kg 510 765 1770 1450 2440
Length
(Including Rod)		 Box/Open mm 2101 2326 2828 2691 3255
Side mm 1820 1930 2409 2290 2731
Optimum Oil Flow l/min 60-100 80-110 120-180 100-150 180-240
Setting Pressure
(Base Machine)		 bar
(kg/cm³)		 180-210 180-210 200-230 200-230 200-230
Operating Pressure bar
(kg/cm³)		 130-160 150-170 160-180 160-180 160-180
psi 1849-2276 2134-2418 2276-2560 2276-2560 2276-2560
Rod Diameter mm 85 100 140 135 155
Impact Rate bpm 400-800 350-700 350-500 350-600 300-450
Hose Diameter inch ¾ ¾ 1 1 1 ¼
Base Machine Weight m³ 0.25-0.5 0.4-0.6 0.7-0.9 0.6-0.8 0.6-0.8
ton 7-14 11-16 18-26 25-30 28-35
lb 15,400-30,900 24,250-35,280 39,700-57,300 39,700-46,300 61,700-77,200
Impact Energy ClassDescription joule 1300 2100 4200 3555 6500

The above specifications are subject to change without prior notice for quality improvement.

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