S O U N D S U P P R E S S I O N

K O M A T S U 8 3 0 E

T E C H N I C A L I N S I G H T S

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SOUNDSUPPRESSION

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SOUND SUPPRESSION EXHAUSTS

O V E R V I E W

• Ideal for mining with stringent noise limitations

• Modular approach enables staged attenuation

• Multi-staged provides better weight

distribution and superior noise suppression

with optimal backpressure

• In-house acoustic engineering expertise

• Direct-fit replacement sound suppression

mufflers with OEM compatibility

• Exhaust silencers for stationary engines

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SUPPRESSIONAND NOISE ATTENUATION

O V E R V I E W

• Sound Suppression Exhausts

• Multi-staged, custom design

• Noise Attenuation Kits

• Sound Attenuators

• Acoustic Enclosures for engine bays

• HVAC and Commercial Solutions

• Acoustic Enclosures/Rooms

• Exhaust Silencers

• Qualified in-house Acoustic Engineer

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ACOUSTIC AUDITING ANDENGINEERING

O V E R V I E W

• Development of noise-control strategies

• Onsite support and installation, before and

after noise modelling recommendations

• Guaranteed sound reductions and

product performance for exhaust systems

• Engineered and manufactured in Australia

for unrivalled reliability

• Comprehensive 3D parts drawings and

technical information

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NOISE ATTENUATIONKITS

O V E R V I E W

• Part of our modular approach for staged

noise attenuation

• Custom designed noise attenuation kits

• Radiator sound attenuators, acoustic

radiator fans, engine bay panels

• Acoustic enclosures for drivetrains and

transmission

• Acoustic foam refurbishment

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OUR IN-HOUSE ACOUSTIC EXPERTISE GIVES US AN EDGE IN SOUND

O U R E X P E R T I S E

We’re proud to have Jassi Singh onboard,

as one of only a handful of qualified Acoustic

Engineers in Australia, to give you the

ultimate in sound suppression solutions.

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830E PACKAGEOVERVIEW

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A Hunter Valley client engaged us to provide a

sound suppression package that was cost-effective,

compliant with noise regulations, improved payload

capacity and maintenance access.

Our team was confident that we could achieve

sound power compliance for the complete

operational cycle of the truck (uphill, downhill and

stationery) by optimal attenuation of the two most

dominant noise sources on a Komatsu 830E

(exhaust and grid box). We achieved this via a dual-

stage rear exhaust system and a bolt-on/bolt-off

attenuation system for the grid box.

Substantial benefits were provided by removing

radiator attenuators and engine enclosures such as

improved payload capacity and front axle loadings.

Engine bay visibility and maintenance access were

also improved.

The end result speaks for itself with the ground-

breaking solution dramatically improving the total

cost of ownership and achieving noise reductions

unheard off in this style of sound suppression

application.

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OVERVIEW

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830E SOUNDTESTING

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SOUND TESTINGPhase 1: Sound Testing

• Conduct detailed unattenuated sound testing

• Stationary and dynamic (uphill loaded,

downhill unloaded)

• Identify predominant noise sources

Phase 2: Design and Engineering

• Multi-staged design approach

• Redesign the exhaust system, followed by

other noise sources

• Acoustic modelling and engineering, 3D

design, fabrication

• Trial fitment and sound testing, revision via

prototypes and re-engineering

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SOUND TEST RESULTS8 3 0 E P R O J E C T