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The Best Liebherr Muffler Engineering That Delivers Proven Noise Reduction

Reduce accumulated site noise from mobile and fixed asset machinery with Minetek’s sound attenuation technology. Minetek is the original mining and heavy industry noise reduction specialist helping operations achieve regulatory and community noise requirements, whilst limiting potentially harmful noise impacts on operators.

Reduce noise, increase operating hours, productivity, confidence and profits

Minetek enables the world’s quietest mining equipment and machinery, reducing site noise levels by up to 50%. Our innovative sound attenuation technology is designed with minimal components and weight, to ensure critical airflows and maintenance accessibility.

Sound solutions trusted by...

Mining equipment sound attenuation packages

Proven results and engineered sound attenuation solutions developed for over 90 different OEM Models, with over 3,000 mining machines fitted with Minetek sound packages globally.

Noise testing & auditing

Minetek provides a complete range of noise testing including compliance testing as per the ISO 6393/6395 Standard, sound intensity testing, mobile fleet screening and operator noise exposure. We work closely with our clients to develop practical mitigation solutions that are workable for the mining company to demonstrate compliance with safety, regulatory and community expectations.

M-STEALTH Sound Attenuation

M-STEALTH™ delivers maximum noise reduction with minimal weight, preserving machine payloads, OEM back pressure requirements & airflow. M-STEALTH™ eliminates the need for thermal blankets with exhaust surface temperatures being maintained below 150°c, reducing OPEX and maintenance downtime.

Maximum performance without compromise

Our flexible solutions allow noise to be effectively managed in mobile mining machinery, with innovative engineered solutions designed to minimise the weight of components without compromising machine integrity, airflow & maintenance accessibility.

Exhaust - Dual Skin Construction Maintains low temperatures for operator and maintenance personnel safety, as well as reduced wear of parts.
Bumper Extension Allows for OEM ladderways and access to be maintained and facilitates auxiliary services including fire suppression.
Sound Media Specifically engineered to target and reduce the noise frequency bands travelling to nearby community and sound sensitive receptors.
Radiator Attenuator Targets and reduces high frequency fan noise to bring overall asset noise in line with site regulation whilst maintaining OEM airflow levels.
Engine Panels Significantly reduces engine noise whilst maintaining accessibility for servicing and general machine maintenance.
Exhaust - Dual Skin Construction Maintains low temperatures for operator and maintenance personnel safety, as well as reduced wear of parts.
Radiator Attenuator Targets and reduces high frequency fan noise to bring overall asset noise in line with site regulation whilst maintaining OEM airflow levels.
Bumper Extension Allows for OEM ladderways and access to be maintained and facilitates auxiliary services including fire suppression.
Engine Panels Significantly reduces engine noise whilst maintaining accessibility for servicing and general machine maintenance.
Sound Media Specifically engineered to target and reduce the noise frequency bands travelling to nearby community and sound sensitive receptors.

Minetek works with leading OEMs, including Caterpillar, Komatsu and Liebherr to enable machines to comply with required mine site sound levels.

Ensuring that OEM airflow is maintained when adding sound suppression componentry to the machinery is crucial. It’s Minetek’s primary engineering principle, along with reducing the overall machine noise output.

At Minetek, we understand the importance of maintaining optimal machine performance and airflow to prevent overheating. Our sound attenuation solutions preserve payloads and boost productivity without compromising OEM backpressure or fuel efficiency. Machinery with Minetek’s sound suppression kits can go to work all day, every day, while maintaining noise compliance and performing to maximum potential without overheating. Our solutions reduce operating noise and increase operating hours, productivity, confidence, and profits.

Learn more about The Best Liebherr Muffler Engineering That Delivers Proven Noise Reduction

Key Takeaways

  • OEM mufflers often meet factory specifications but may not satisfy site-specific Australian mining noise compliance requirements.
  • Relying only on standard exhaust silencers can increase compliance risk, community complaints and productivity constraints.
  • Effective Liebherr muffler attenuation needs site-specific engineering that protects airflow, back pressure, heat management and service access.
  • Minetek uses data-led testing, including the ISO 6393/6395 Standard, to identify dominant noise sources and design measurable solutions.
  • Well-engineered attenuation can reduce noise exposure, support uptime and improve long-term operational value across mining and industrial fleets.

Liebherr muffler systems serve a critical role in managing noise levels from heavy machinery in demanding environments such as mining. At Minetek, we recognise such necessities, which is why we deliver advanced sound suppression solutions that are compatible with Liebherr equipment and maintain optimal performance.

A standard OEM industrial muffler can often fall short of modern site noise limits.

Why don’t factory exhaust silencers always meet Australian mining compliance requirements?

Factory exhaust silencers cater to manufacturer specifications rather than unique site needs. They focus on baseline requirements and frequently overlook specific environmental or boundary restrictions faced by individual operations.

In Australia, mining activities must adhere to stringent noise regulations that control occupational and environmental noise exposure. These standards demand an average noise limit of 85 dB over an eight-hour shift for workers.

Whether you’re focused on a Liebherr muffler or Liebherr exhaust, this means additional engineering solutions beyond standard factory equipment are generally necessary to mitigate noise at its source.

As a result, a stock heavy equipment muffler may be insufficient, especially when you need to achieve compliance where cumulative noise, tonal exhaust output or proximity to sensitive receptors is involved.

What operational risks arise when relying solely on an OEM Liebherr muffler configuration?

Sites positioned close to residential zones or environmentally sensitive areas may face restrictions on their operating approvals. Excessive noise from machines can trigger community complaints, cause regulatory scrutiny and result in operational curfews, ultimately cutting down productive hours.

Moreover, this issue can lead to a heavier reliance on administrative measures or personal hearing protection. And compared to an engineered noise reduction muffler, these are simply stopgaps and often considered secondary to addressing noise at its source.

Without strategic exhaust sound management, be it a Liebherr muffler for Liebherr equipment or even a Hitachi muffler for Hitachi machinery, compliance issues, productivity losses and reputational damage are genuine threats.

Minetek delivers proven attenuation solutions backed by engineering expertise.

We have established ourselves as a trusted global provider of noise control systems for the mining, oil and gas, and industrial sectors. We even have operations spanning Australia, North America, South America, Africa and Europe.

Our vast footprint demonstrates our ability to harmonise acoustic outcomes regardless of regulatory or operational constraints. We focus on combining industry insight with engineering solutions, such as equipment exhaust solutions, to help clients achieve noise compliance, productivity and community engagement targets seamlessly.

We bring over 150 years of combined experience to the table.

Our attenuation systems are developed by specialist engineers with incredible industry experience. If you’re considering a more heavy duty muffler or comprehensive system, this depth of expertise spans acoustic engineering, thermodynamics, airflow management and heavy equipment integration.

Each solution, whether it includes a Liebherr muffler or a Komatsu muffler, is engineered to balance measurable noise reduction with machine performance, ensuring back pressure, heat dissipation and service access are maintained. What you get is equipment-compatible attenuation that performs reliably even in demanding mining environments.

Site-specific Liebherr muffler engineering ensures measurable and lasting results.

Our custom-designed attenuation solutions are tailored to equipment duty cycles, environments and compliance targets.

We engineer site-specific attenuation solutions that align with the operational demands of Liebherr machinery across mining environments. This bespoke approach targets dominant exhaust and mechanical noise emissions from machines like excavators, haul trucks and loaders.

Using the M-STEALTH™ platform, we can offer solutions that act as a Liebherr emission system to reduce noise without adding unnecessary weight, all while preserving core functions like machine payloads, OEM back pressure and optimal airflow.

Meticulous planning and execution deliver tangible noise reduction, operational gains and long-term value.

Starting with a thorough investigation, our experts identify primary noise sources in mobile and fixed assets of various brands, from Liebherr machinery to Mammoth equipment and beyond.

ISO 6393/6395 compliance testing, operator assessments and fleet screening are also employed to shape every attenuation design process. These insights guide the engineering of an industrial muffler for mining machinery and beyond.

A data-driven focus also means noise reduction translates directly to practical results on the ground. The systems and engineered equipment exhaust parts achieve perceptible decibel reductions, crucial for compliance and efficiency. Operations benefit from quieter environments, improved equipment uptime and gains in long-term value.

Frequently Asked Questions (FAQ)

Which Liebherr machines use mufflers?

A muffler can be installed across a wide range of Liebherr’s heavy mining and industrial equipment powered by large diesel engines. This includes excavators, haul trucks, wheel loaders, dozers and other high-horsepower mobile assets where exhaust noise is a primary acoustic contributor.

Since noise requirements differ based on various factors like engine size and workload, each muffler must be tailored to individual specifications to ensure both fit and optimal acoustic performance. Our attenuation solutions work seamlessly with Liebherr machinery, aligning with compliance to achieve noise mitigation goals.

Can a Liebherr muffler reduce operator cabin noise exposure?

Yes, if it’s a reliable muffler that Australia-based businesses can count on. Focusing on reducing overall machine noise, this solution can help in decreasing cabin exposure to disruptive sounds. Machine noise can stem from engine vibrations, hydraulic systems and structural pathways, making comprehensive noise control a multifaceted task.

Whether you need wheel loader or haul truck suppression, integrating mufflers into noise-reduction strategies helps in reducing noise reflection and vibration transmission, thereby creating a more controlled cabin environment.

Do mufflers reduce carbon emissions, too?

While the muffler’s chambers and absorptive materials effectively quench sound energy, they do not impact the engine’s combustion process or emission levels. Emissions control falls under the purview of other systems designed for aftertreatment.

Nonetheless, a muffler for excavators and other equipment is engineered to maintain the required back pressure and airflow to keep emissions systems functional while ensuring optimal engine performance.

Innovation sits at the core of our engineering philosophy.

This advancement drives the development of next-generation sound attenuation technologies. We continually refine designs to reduce component weight, improve acoustic performance and simplify installation. As a result, we enable solutions that enhance operating hours and site productivity, all while meeting compliance targets.

With tangible results from over 2,800 global projects, we remain a trusted figure for noise management in mining and industrial operations. If you need something that acts as a Liebherr engine noise reducer, sound attenuation for your Hitachi exhaust or something else for noise compliance needs, look to us at Minetek.

Contact us today.

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Testimonials

What our customers have to say...

We have utilised Minetek for a number of sound attenuation projects in the Hunter Valley and have formed an excellent relationship with Glencore over many years. Minetek understand our industry and always provide a solid and professional commitment to meeting our goals and objectives.

Glencore International AG

Global HME Category Manager

Minetek have been instrumental in the design of products used on our mining equipment. Our engagement with them is a true business partnership.

Liebherr Australia

Mining Manager

If it wasn't for Minetek, this mine would not be viable.

New Acland Mine

Maintenance Manager

We can go day after day, week after week, being 100% compliant with our neighbours with the sound impression installed.

New Acland Mine

Environmental officer
Maintains OEM airflow

Ensures consistent airflow as per OEM specifications, preserving machine payloads, OEM back pressure requirements, while optimising machine performance to ensure longevity.

No machine overheating

Prevents machine overheating, safeguards equipment integrity, and ensures continuous operation without risk of damage. Eliminates the need for thermal blankets with exhaust surface temperatures being maintained below 150°c

Easy accessibility for maintenance

Facilitates easy access for maintenance tasks, reducing downtime and streamlining upkeep processes for enhanced operational efficiency. Delivering maximum noise reduction with minimal weight and components.

Komatsu 930E Haul Truck

Minetek’s sound attenuation package reduced the overall machine output of the Komatsu 930E by 13dB. Subsequently, our client maintained noise compliance, eliminated noise complaints from the nearby community, and increased the machine's operating hours.

Minetek reduced the noise output of this Liebherr R9800 by a third.

This mining excavator was able to operate at maximum output whilst meeting stringent site noise requirements, without any downtime due to overheating. With ease of access for maintenance, Minetek’s sound suppression solutions ensured sustained performance and compliance, enhancing operational efficiency and worker safety.

Our solutions supported our client’s commitment to regulatory noise compliance, helping to maintain a strong relationship with nearby communities.

Acoustic enclosures

Minetek’s acoustic engineers design and manufacture acoustic enclosures for generators, and pump rooms along with any fixed assets. Our innovative design is weatherproof, resistant to grease and other contaminates allowing for adequate airflow, with high-quality sound media designed for demanding applications.

Applications

OEM sound packages

Since 1984, Minetek has been the original mining noise management specialist with sound packages developed for over 90 different OEM Models including both mobile and fixed assets.

Meet our team

Ready to talk about your next Sound project?