Atlas Copco Hydraulic Hammer Piston Cylinder Breaker Spares Replacement

42CrMo Atlas Copco PB Series Hydraulic Breaker Cylinder Forged Alloy Steel Main Power Housing Rock Hammer Core Spare Parts

Atlas Copco PB series hydraulic breaker cylinder is the central main housing that accommodates impact piston and transmits hydraulic striking power. This core structural spare part covers all mainstream PB breaker models PB110 PB160 PB200 PB210 PB310 PB420 PB530, matching 3–12 ton mini and medium excavators for landscaping concrete demolition and light quarry projects.

We supply a full range of high strength alloy steel grades to satisfy different working intensity requirements including 40Cr 42CrMo 20CrMo GCr15 40CrNiMo 9Cr2MoV SCM440 SAE4140 SAE4340 with customizable material formula on request. Every cylinder adopts one piece integral forging craft to eliminate internal porosity shrinkage cavity and micro cracks inside cylinder wall.

Quenching and tempering heat treatment improves cylinder wall hardness toughness and long term high pressure resistance. The inner bore undergoes precision mirror honing processing to achieve ultra smooth surface, cutting friction loss between cylinder and piston while avoiding hydraulic oil leakage under continuous high frequency impact operation.

All mounting bolt holes oil passages and assembly connecting surfaces are CNC precision machined with tight dimensional tolerance for direct OEM replacement without secondary modification. Matched with front head back head and through bolts it forms the complete breaker main body and guarantees stable consistent hydraulic power output.

Suitable for small quarry rock breaking concrete demolition tunnel trimming foundation construction and municipal road renovation works. Each finished cylinder passes hydraulic pressure test internal flaw inspection bore size measurement and assembly fitting test to reach original equipment interchange standards.

We maintain full stock of all PB series specifications supporting small repair retail orders and large volume wholesale orders. Custom inner bore length oil port layout and outer dimension machining service can be provided for global machinery maintenance factories and spare parts dealers.

Hydraulic Breaker Hammer Chisel of Shipping photos

Hydraulic Breaker Hammer Chisel of factory photos

Workers Inspecting Hydraulic Breaker Chisels

Heat Treatment Process of Hydraulic Breaker Chisels

We also provide other brands of hydraulic breaker spare parts