Doosan 20 Ton Hydraulic Hammer
The Doosan HB20 is a mid-sized hydraulic breaker hammer designed for excavators in the 18 to 25-ton carrier weight range. It is part of the Doosan HB series, which focuses on high performance, simplified maintenance, and durability for demanding applications like demolition, quarrying, and mining.
Key Specifications
Operating Weight: Approximately 1,693 kg (varies slightly by mounting type: ~1,862 kg for top mount and ~1,669 kg for side mount).
Impact Rate: Delivers between 400 and 800 blows per minute (bpm).
Operating Pressure: Requires a pressure range of 170 to 210 bar.
Required Oil Flow: Requires an oil flow rate of 130 to 150 liters per minute.
Tool (Chisel) Diameter: Uses a 135 mm diameter tool for high-force breaking.
