The unbeliveable compromise between quality and price thanks to:

  • the use of the best quality steels

  • high precision machinery

  • state-of-the-art components


  • Greater power, and therefore greater speed in carrying out demolition work, with significant time savings

  • Greater power, and therefore excellent results even in conditions of particularly compact materials such as granite or volcanic rocks

  • Greater power, suitable for use on SKID STEER

  • Further savings in terms of number of components (no membrane)

  • Simple disassembly and assembly

  • Gas ​​tightness without the need to recharge for over four years with continuous use, and over two years with occasional use


The piston is pushed directly into the nitrogen chamber (accumulator) and, thanks to the very high compressibility of the nitrogen compared to the non-compressibility and elasticity to the oil, it guarantees a 30% higher impact power to traditional hammers with membrane, for which the thrust effect is decidedly lower; this leads to the aforementioned advantages.


  • Greater solidity and compactness

  • Greater duration over time

  • Less risk of breakage

  • Less number of components

  • Lower maintenance costs

  • Easier disassembly and reassembly

The absence of the 4 tie rods that assemble the upper head with the lower head, a typical system of traditional hammers, gives a decidedly superior solidity to the whole body of the hammer. The breakage of the tie rods, in fact, is very frequent in NON MONOBLOCK hammers, and involves the replacement of at least two tie rods even if only one breaks.

hammer equipped with a DISTRIBUTOR OUTSIDE the hammer body

  • Less risk of seizure between ring nut and piston

  • Simplified diagnostics

  • Simplicity in maintenance

Compared to traditional hammers with an internal distributor, our hammer allows for any inspection and cleaning of the distributor without having to completely disassemble the monoblock body.


hammer that uses the SINGLE EFFECT

  • Less oil overheating for the benefit of greater excavator reliability

  • Lower machine consumption, in terms of diesel, thanks to the aforementioned single effect

  • Less environmental impact, for less fuel consumption thanks to the greater disruptive power that guarantees the completion of the job in less time

  • Withstands high oil COUNTERPRESSURE

The hydraulic oil of the machine that arrive from the delivery pipe is used, by the distributor, exclusively to make the piston rise in the nitrogen chamber (accumulator), without having an active function during the descent phase of the piston entrusted only to the gas providing the the aforementioned advantages.

hammer with an INNOVATIVE CASE

  • Greater visibility to the operator at the point where he is demolishing

  • Enables better use in trench demolition, allowing the operator to reach deeper points without being hindered by the base of traditional cases

  • Modern style fits perfectly on all newer models of excavators and skid steers

  • The soft color easily matches all brands of excavators and skid steers, and does not tire the operator's eyes even on particularly sunny days, reducing the reflection effect.


Compared to traditional hammers totally enclosed within the casing, the YUMBO hammer, has a reduced casing.


  • Equipped with excellent soundproofing

  • Free from vibrations that could damage the pipes or even the excavator arm

This result is due to the top and bottom caps and intermediate rings.

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