Gas Engine Solutions

Revitalize your engine

Enhancing the performance of your gas engine, regardless of its OEM, is not just a service; it’s a commitment to excellence. With a focus on reliability, efficiency, turn-key solutions and responsiveness, Siemens Energy takes pride in being your trusted partner throughout your engine's entire lifecycle. From modernizations & upgrades, scheduled overhauls, and repairs to spare parts, our global team of highly qualified specialists is dedicated to delivering dependable and on-going support.

Lowering Emissions for a Sustainable Future

Siemens Energy is committed to improving air quality and protecting the environment with every solution we provide. We have the flexibility to provide manpower requirements that meet customers deadlines, and the purchasing power to manage the supply base and secure reduced lead-times with competitive costs. Our selection of equipment upgrades is designed to lower engine emissions significantly and improve the performance of both engines and compressors.

Provides a cost-effective upgrade of fuel/ gas control for direct-injected, natural gas-fired industrial engines.

Real-time, continuous engine monitoring system designed for large-bore, two- and four-stroke natural gas reciprocating engines.

Converts unwanted components like CO, NOx, and hydrocarbons into CO2 and N2 as exhaust gas passes through the catalyst.

Provides exact control of the fuel gas to deliver an optimally mixed air/fuel charge that produces combustion performance and emissions characteristics equivalent to well-designed, state-of-the-art IC engines.

Provides an electro-magnet to force the check valve open and closed by spring force instead of relying on the standard pressure differential-based mechanical check valve.

Prevents combustion issues and cylinder peak firing pressure balancing complications due to differing pre-chamber volumes and head design.

Provides a single, engine-mounted module that can be used to control all aspects of the engine’s operation.

Redesigned key features to increase overall turbocharger performance efficiency.

Driving progress together for 'Good Neighbor'

Through acquired technology and years of investment in the integral gas engine product line, we are well-equipped in supporting you as you continue your efforts to meet the Clean Air Act’s “Good Neighbor” requirements. We are focused on providing cost-effective, low emissions solutions that make a difference in your enviornmental compliance journey towards a more sustainable future.


Our unmatched expertise is evident through proven technology that we have been implementing for over 25 years. We have a portfolio of systems that range in complexity from our Lean Engine Conversion through to our PORT4 and High-Pressure Fuel Injection (HPFi) System. Our technologies, coupled with your mechanical and turbocharger upgrades allow customized solutions to meet your unique requirements.



Power End Upgrades

Our cutting-edge enhancements target the mechanical power-producing components of your engine, elevating its potential to new heights. Our upgrade offerings are meticulously planned and installed while considering the engine's design, intended use, and potential impact on other engine components.

  • Flywheel Barring Rigs
  • LECM Upgrade Kit
  • Oil Pump Upgrade
  • Warehouse on Wheels (WOW)
  • Vintage Frame Replacement
  • In-Pulse II -Obsolescence
  • iBALANCE g1 / iFLOW g1
  • Methane Slip Reduction for Gas Engines
  • Frame Cut-Down & Rebore

Compressor End Upgrades

Our extensive range of state-of-the-art reciprocating compressor end upgrades and modernizations help improve the reliability and availability of your equipment.