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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.
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 Get Reliable Caterpillar Muffler Systems For Noise Management
Equipment can emit excessive noise in mining and industrial environments, and Caterpillar muffler systems and other sound attenuation solutions become essential for managing it.
You might check the daily sound report and see peak levels climbing during loader operation, especially on high-output machines like the Caterpillar 993, where Caterpillar exhaust noise is a primary contributor. The task is clear: reduce exhaust noise, meet licence conditions and keep production moving without triggering complaints or audits.
Many teams search for a Caterpillar muffler, expecting an OEM part. But what they usually need is a compatible exhaust noise reduction solution that fits site constraints and supports compliance targets without forcing major mechanical changes.
That gap between expectation and practical noise control is where Minetek steps in, delivering Caterpillar-compatible industrial noise control systems and custom exhaust packages built from global mining experience.
Reducing workplace noise supports productivity, safety and long-term performance.
Mining and industrial operations routinely generate noise levels that affect operating hours, production planning and regulatory compliance.
Controlling these emissions is not optional. Things like CAT exhaust solutions become a practical requirement for maintaining consistent output.
Effective Caterpillar muffler sound attenuation allows sites to extend operating windows without exceeding permitted noise limits, enabling higher throughput without investing in additional machinery or infrastructure.
Caterpillar sound attenuation also improves site safety and workforce performance.
Lower ambient noise levels decrease operator fatigue, support clearer communication and improve situational awareness around heavy equipment and high-traffic zones. These factors directly reduce the risk of incidents while maintaining productivity targets.
From a compliance standpoint, proactive noise management minimises the likelihood of violations, complaints and enforced shutdowns.
It stabilises day-to-day operations by limiting unplanned disruptions tied to regulatory inspections or community pressure. The result is a more predictable production schedule and better use of existing assets.
When noise is treated as an operational variable instead of an afterthought, sites gain measurable performance benefits. With the right muffler components in Australia and a good sound attenuation strategy in place, mining and industrial facilities can protect their workforce, meet regulatory requirements and sustain output without compromising operational efficiency.
Access sound attenuation solutions that reduce noise while preserving performance.
Minetek Sound delivers engineered noise attenuation/source attenuation systems designed to integrate directly with Caterpillar mining equipment while maintaining original equipment performance requirements.
Each Caterpillar-compatible solution is configured to the specific machine model, ensuring acoustic treatments align with operating frequencies, airflow demands and duty cycles.
Using advanced simulation modelling and acoustic visualisation, our engineers identify dominant noise sources and target problematic frequencies at the source, whether you need a CAT engine muffler or something else entirely. This improves attenuation performance while avoiding unnecessary system complexity.
M-STEALTH™ Caterpillar muffler solutions are engineered to preserve OEM airflow specifications. Maintaining correct airflow protects engine output and reduces the risk of performance losses caused by restricted ventilation. Thermal management is built into every design, with controlled ventilation pathways that support consistent cooling during continuous and high-load operation.
Serviceability is also a core design requirement. Sound packages, like our mining exhaust solutions, are developed to allow clear access to critical components, enabling routine maintenance without extended shutdowns or complicated disassembly.
In essence, you gain practical noise control solutions for mining that support compliance, protect equipment performance and minimise operational disruption. For Caterpillar operators, this means lower noise exposure, improved regulatory confidence and sustained productivity without compromising machine reliability.
We provide Caterpillar sound attenuation solutions across multiple machine types.
Equipment operating in high-output environments generates consistent noise that can limit shift durations and trigger compliance risks. Targeted Caterpillar muffler solutions address this directly.
- For excavators, noise control systems reduce sound levels during continuous loading cycles, allowing sites to extend operating hours while maintaining planned production rates.
- Blasthole drill rig sound packages are designed to lower mechanical and exhaust noise without affecting drilling accuracy, penetration rates or machine reliability. These Caterpillar exhaust muffler solutions allow drilling programs to stay on schedule while operating within permitted noise thresholds.
- For water trucks, sound attenuation systems reduce operational noise while preserving critical dust suppression and fire prevention capabilities. This ensures environmental and safety requirements are met without creating additional scheduling constraints.
We also engineer sound attenuation solutions for Caterpillar haul trucks, wheel loaders and other fleet assets. All of these can be supported by noise auditing services for mining and industrial sectors.
Each heavy machinery muffler system is configured to meet site-specific noise limits and operating conditions. You get consistent compliance across mixed fleets, improved operational flexibility and reduced risk of unplanned downtime.
With our mining equipment muffler solution, sites can protect productivity, maintain regulatory compliance and operate more predictably across all stages of material handling and site support operations.
Frequently Asked Questions (FAQ)
How long does it typically take to install Caterpillar-compatible sound attenuation systems?
Minetek typically installs Caterpillar muffler systems within scheduled maintenance windows. Installation time varies by machine model and site conditions, but solutions are engineered for fast integration with minimal disruption. We coordinate closely with operators to align installation with production requirements.
Can Minetek customise sound attenuation solutions for different site noise compliance standards?
Yes, we can customise Caterpillar muffler and sound attenuation solutions, such as a construction noise barrier, to meet varying site noise compliance standards. Each system is engineered using acoustic modelling and testing to ensure compliance with regulatory limits while supporting operational goals.
Do sound attenuation upgrades impact routine servicing schedules?
Machinery muffler upgrades do not impact routine servicing schedules when using our packages. We design our sound attenuation systems to retain full maintenance access. Technicians can complete inspections and servicing without removing major components, allowing sites to follow standard service intervals and avoid downtime.
Proven engineering delivers practical noise control for demanding industrial sites.
We build and deliver sound attenuation systems, such as CAT noise reduction muffler solutions, that mining and industrial sites can deploy without disrupting operations.
Our teams design, manufacture and install Caterpillar-compatible noise reduction solutions for heavy equipment, including M-STEALTH™ systems and custom sound packages. With more than 3,000 mining machines fitted globally and 150 years of combined engineering experience, we focus on compliance outcomes, predictable performance and fit-for-site integration.
You get data-backed designs, site-specific layouts and support from leading providers of muffler solutions for Caterpillar equipment who work within real operating constraints.
Contact us today if you have questions about sound attenuation related to engine bay panels or need practical noise control solutions that support compliance and keep equipment running where it matters.
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What our customers have to say...
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.
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.