The JSB1900 heavy-duty hydraulic breaker is professionally customized for 20–24 ton excavators, available in three classic configurations: box silent type, top type and side type. It is widely applied in quarrying, hard rock excavation, concrete demolition, road construction and river dredging.This breaker weighs between 1772kg and 2025kg with different structures, equipped with a heavy-duty 140mm diameter chisel for powerful breaking performance. It operates under a working pressure of 160–180 bar, matching hydraulic flow of 120–180 lpm, with impact frequency ranging from 350 to 500 blows per minute, delivering stable and lasting crushing power under heavy loads.The box silent design features an enclosed shock-absorbing housing to cut construction noise, perfectly fit for urban municipal demolition works. Compact top and side type models offer great mobility for open-pit mine hard rock breaking. Its premium seals and accumulators resist high pressure and frequent impacts to minimize oil leakage and breakdowns. The 1-inch standard hydraulic hoses enable simple disassembly and daily maintenance.
Fully compatible with the hydraulic system of 20–24 ton excavators without extra modification, this breaker boasts export-grade durability, outstanding fuel adaptability and low maintenance cost, an ideal attachment for global infrastructure, mining and urban renewal projects.
| Parameter | Specification |
|---|
| Model | JSB1900 |
| Machine Type | Hydraulic Breaker |
| Box Type Weight | 2009 kg |
| Side Type Weight | 1772 kg |
| Length A | 2832 mm |
| Rated Speed | 1,850 rpm |
| Pressure | 160–180 bar |
| Flow | 120–180 lpm |
| Rate | 350–500 bm |
| Hose | 1 inch |
| Chisel | 140 mm |
| Suit | 20–24 ton excavetor |
