| ltems | Unit | SB20 | SB81 | SB81A | SB100 | SB121 | ||||||||
| Bodyweight (incl. chisel) | kg | 350 | 920 | 956 | 1092 | |||||||||
| Total weight | kg | 852 | 2052 | 2090 | 2380 | 2745 | ||||||||
| Size(L*W*H) | mm | 2900560*7 | 66*560*710 | 866*5*710 | 897*600*760 | 3102*600*760 | ||||||||
| Hydraulic oil flow | Vmin | 30~150 | 20~180 | 20-180 | 150-190 | 180~240 | ||||||||
| Hydraulic pressure | kg/cm2 | 60~180 | 60~18C | 160~18C | 160 -180 | 160~180 | ||||||||
| Blow frequency | bmp | 400-800 | 50-500 | 350-500 | 350~70C | 300 -450 | ||||||||
| Chisel diameter | mm | 135 | 140 | 140 | 150 | 55 | ||||||||
| Carrier weight | ton | 18~26 | 18~26 | 18~26 | 27~35 | 28-35 | ||||||||
