• K400s Silenced Rock Hammer

K400s Hydraulic Rock Hammer to suit excavators from 3.2ton to 4.5ton, skid steer loaders from 1.5ton to 3.5ton and smaller backhoes.

Yuchai Max-Power Hydraulic hammers are build in South Korea using Extreme Duty Hardox outer casing and durable internal parts for extended operating life.  The K400s comes with 2 chisel tools, recharge kit with spare seals, hydraulic hoses, tool kit and operating manual.


Operating Weight210kg
Operating Pressure90-120 Bar
Oil Flow30-60 l/m
Back Head Pressure13-15 Bar
Accumulator PressureN/A
Impact Rate500-1,000 bpm
Tool Diameter60mm / 2.4"
Impact Energy410 J 
Hose Diameter1/2"
Carrier Weight3.2 to 4.5 ton


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K400s Silenced Rock Hammer

  • Product Code:K400s
  • Availability:In Stock
  • $7,150.00

  • Ex Tax:$6,500.00

Available Options