Locomotive & Rail Industry

Envanio Universal delivers custom-engineered locomotive exhaust silencing and emissions solutions built specifically for the rail industry. We help rail operators, locomotive OEMs, and transit authorities meet stringent wayside noise limits, optimize diesel engine performance, and ensure full environmental and regulatory compliance across freight and passenger networks.

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Diesel-electric locomotives operate under extreme thermal cycles, high mechanical vibration, and strict wayside noise limits set by the FRA and international transport authorities. Envanio Universal provides rugged, low-backpressure engine exhaust silencers and emissions aftertreatment tailored to tight locomotive envelopes, minimizing downtime while protecting lineside communities and onboard crews. Supported by advanced analysis techniques as Computational Fluid Dynamics (CFD) and Finite Element Analysis (FEA), our solutions help operators overcome technical, regulatory, and economic challenges in meeting ever-changing emission, acoustic and engine requirements safely, efficiently, and sustainably.

FRA Wayside Noise Regulations

Locomotive systems must comply with stringent Federal Railroad Administration (FRA) and municipal noise regulations to minimize community impact and ensure regulatory compliance.

Severe Envelope & Weight Restrictions

Tight locomotive hood clearances and limited rooftop space require compact, lightweight solutions that maximize performance within restricted installation envelopes.

Thermal & Mechanical Stress

Rail equipment must withstand continuous vibration, dynamic shock loads, and extreme thermal cycling while maintaining reliable operation over long service intervals.

Backpressure vs. Fuel Efficiency

Exhaust and intake systems must be designed to minimize backpressure, preserving engine power, optimizing fuel efficiency, and reducing operating costs.

Harsh Weather Exposure

Components must resist ballast impact, snow, ice, moisture, and road salt corrosion to ensure durability and dependable performance in demanding rail environments.

Noise control requirements vary based on your operating environment, equipment configuration, as well as local regulatory standards. Envanio Universal offers both standardized and custom-engineered solutions designed to meet your specific operational needs, drawing from a broad portfolio of field-proven technologies.

All Prodcuts

Engine Exhaust Silencers

Attenuate noise generated by your diesel and natural gas applications with Envanio Universal’s comprehensive line of high-performance primary and secondary engine exhaust silencers.

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Absorptive Silencers

Attenuate the mid- and high-frequency noise generated by your high-speed centrifugal blowers, fans and compressors with Envanio Universal’s comprehensive line of absorptive silencers.

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Blower Silencers

Designed and manufactured to provide state-of-the-art noise abatement for all types of industrial fan applications, our inlet or outlet fan silencers meet OSHA and other noise control requirements.

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Selective Catalytic Reduction

Envanio Universal’s selective catalytic reduction (SCR) systems reduce NOₓ emissions from diesel engines, gas turbines, and power generation equipment. Compact, modular designs ensure regulatory compliance, integrated noise reduction, low ammonia slip, minimal backpressure, and optimized fuel efficiency.

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Please contact us directly to schedule a personal consultation or submit your project details using our contact form to receive a complementary, no-obligation quote.

James Mitchell

Director Sales and Business Development

+1-608-630-6338 james.mitchell@envanio.com

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Efficient Noise Control for Locomotive & Rail Industry