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Yantai Xinren Mechanical & Electrical Equipment Co.,Ltd established in 2009 is one of the largest manufacturer of Hydraulic Breakers and attachments .Our main products including DBK Series Hydraulic Breaker,Front Cylinder,Rear Cylinder,Middle Cylinder,Piston,Inner Bushing,Outer Bushing and so on.
| Parameter | PSB 40 | PSB 43 | PSB 45 | PSB 50 | PSB 81 | PSB 121 |
| Size | 367*145*192 | 367*162*211 | 489*166*228 | 533*210*267 | 551*257*350 | 628*288*383 |
| Hardness | HRC 58-62 | HRC 58-62 | HRC 58-62 | HRC 58-62 | HRC 58-62 | HRC 58-62 |
| Chisel(mm) | 68 | 75 | 85 | 100 | 140 | 155 |
| Raw Material | 20 Crmo | 20 Crmo | 20 Crmo | 20 Crmo | 20 Crmo | 20 Crmo |
The special machining technology ensures that the parts have good mechanical performance like high capability of wear resistance ,good toughness,and high strength.
Excavator DBK 1550 Hydraulic Breaker Middle Cylinder