DOZCO 430A rock breaker in use
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DOZCO 430A Rock Breaker.

A compact but powerful hydraulic rock breaker for primary and secondary breaking, trenching and tunneling tasks.

Balanced impact energy and control

The DOZCO 430A is designed for excavators in the 4.0-8.0 tonne class. It delivers strong, controlled breaking performance for reinforced concrete, hard rock, demolition, trenching and general site rock breaking when matched to the correct carrier hydraulics.

Carrier class4.0-8.0 ton
Oil flow50-90 lpm
Impact rate400-800 BPM
Operating Weight434 kg box / 386 kg side
Height (Incl. Tool)1928 mm box / 1620 mm side
Tool Diameter75 mm
Tool Length700 mm
Optimal Oil Flow50-90 lpm
Setting Pressure180 bar
Operating Pressure120-150 bar
Return Line Pressure10 kg/cm2
Bottom Plate Thickness30 mm HB
Control ValveIn-built
Auto GreasingOptional
Anti Blank FiringNo

430A in action

Quick answers

What makes the 430A useful for Australian excavators?

It is suited to 4-8 tonne excavators and provides balanced impact energy for varied rock breaking tasks across site conditions.

Can it handle reinforced concrete and hard rock?

Yes, when paired with a carrier that provides the correct oil flow and operating pressure.

Are spare tools and tips available?

Yes. Compatible chisels and hardened tool tips are available to maintain impact efficiency and service life.

What is the impact rate range?

The 430A operates between 400 and 800 blows per minute.