items | Uni | BH20 | GH30 | GH4( | GH43 | GH45 | GH50 | |||||||
Bodyweight (incl. chisel) | kg | 71 | 89 | 156 | 214 | 282 | 479 | |||||||
Total weight | kg | 95 | 158 | 343 | 409 | 637 | B66 | |||||||
Size(L*W*H) | mm | 235*176*200 | 344*235370 | 684350*486 | 1706*390*486 | 2120438*570 | 887450570 | |||||||
Hydraulic oil flow | /min | 20~30 | 25~ | 40-70 | 50-90 | 100 | 80-110 | |||||||
Hydraulic pressure | kg/cm2 | 90~120 | 90~ 20 | 10~140 | 20150 | 130160 | 50~170 | |||||||
Blow frequency | bmp | 700--1200 | 600~ 00 | 500~900 | 400-800 | 400--800 | 350~700 | |||||||
Chisel diameter | mm | 45 | 53 | 68 | 75 | 85 | 100 | |||||||
Carrier weight | ton | .2-3.0 | 2.5-4.5 | 4~7 | 6~9 | 7~14 | 10-15 |