DOWIN G series breakers very reliable equipment proved by track record of long field experience.

  • Very convenient in maintenance using several compatible spares such as front cover, ring bush and through bolt, etc. with other G type breakers.
  • Superior quality alloy steel provides excellent durability and longer life.
  • Box Type breaker was developed to minimize the noise during operation, with use of sound absorbing materials and noise reducing frame design, very useful in the job site of urban area.
  • Dowin G series provides 6 models from 13 tons to 70 tons class.
Description/Model Unit DW 15G DW 20G DW 30G
Operating
Weight
(Including Rod)
Box kg 1,310 1,777 2,540
Open kg 1,230 1,740 2,420
Side kg 1,200 1,700 2,380
Length
(Including Rod)
Box/Open mm 2,031 2,327 2,500
Side mm 1,800 2,200 2,300
Optimum Oil Flow l/min 90-120 130-150 150-190
Setting Pressure
(Base Machine)
bar
(kg/cm³)
180-210 180-210 180-210
Operating Pressure bar
(kg/cm³)
160-180 160-180 160-180
psi 2,276-2,560 2,276-2,560 2,276-2,560
Rod Diameter mm 120 135 150
Impact Rate bpm 400-900 400-800 300-750
Hose Diameter inch 3/4 1 1

Base Machine
Weight

0.5-0.7 0.7-0.9 1.1-1,6
ton 13-18 18-22 27-30
lb 28,670-39,700 39,680 59,500-66,100
Impact Energy Class joule 2,800 3,600 7.000

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

Description/Model Unit DW 40G DW 50GX DW 60GX
Operating
Weight
(Including Rod)
Box kg 3,110 4,150 5,200
Open kg 3,020 4,100 5,100
Side kg 2,900 3,922 4,866
Length
(Including Rod)
Box/Open mm 2,950 3,790 3,995
Side mm 2,500 3,225 3,432
Optimum Oil Flow l/min 190-250 180-350 190-350
Setting Pressure
(Base Machine)
bar
(kg/cm³)
180-210 170-230 170-230
Operating Pressure bar
(kg/cm³)
160-180 160-180 160-180
psi 2,276-2,560 2,276-2,560 2,276-2,560
Rod Diameter mm 160 175 185
Impact Rate bpm 250-500 110-190 100-190
Hose Diameter inch 1 1/4 1 1/4 1 1/4
Base Machine
Weight
1.6-2.0 1.6-2.5 1.8-4.0
ton 35-45 35-50 40-70
lb 77,160-99,300 77,200-110,200 88,200-154,300
Impact Energy Class joule 9,900 16,000 18,000

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