SGT-A20 (Industrial Avon)

SGT-A20 (Industrial Avon) gas generator maintenance, repair and overhaul

Whatever model of SGT-A20 you operate, we can support it.

Our capability and experience extends across the full range of SGT-A20 gas generators, from the earliest Mk 1533 and 1534, right through to the current Mk 1535, as well as the latest generation Avon 200 engines.

For over 30 years, the global power generation and oil & gas industries have benefitted from our expertise. We have serviced more than 2200 SGT-A20 gas generators within our approved maintenance facility in the UK where we have delivered 130 Avon 200 upgrades for 24 operators in 16 countries.

We are proud to be the service provider of choice for more than 60% of SGT-A20 gas generators in service around the world. We help operators keep their equipment running reliably and cost-effectively.

Our experience is unrivalled

With a dedicated SGT-A20 team of more than 50 highly experienced people, you know your equipment is in safe hands at RWG. Our product knowledge and technical expertise is unrivalled in the industry. We have the capacity to support up to 60 engines each year. Our services are OEM approved. And our workshops are equipped with specialist tooling and the latest technologies.

Whatever your requirement, you can trust us to help lower the cost of ownership of your equipment.

Avon SGT-A20


The industrial aero-derivative Avon gas generator entered the market in the 1960s, and there are more than 700 in service today. With a reputation for reliability and resilience, the SGT-A20 is widely used in power plants, oil refineries and offshore installations around the world.

Measuring around three metres in length and weighing in at over one metric tonne, an SGT-A20 produces approximately 15 megawatts of power.

The latest generation SGT-A20 was introduced in 2007, bringing improved power output, efficiency, and environmental performance.

“During overhaul period, RWG always reply our request quickly. Also all your colleagues are are very supportive and kind. We thank RWG for your cooperation.”Gas Transmission Company, Europe

Full scope of service for your SGT-A20

We are here to support you whenever and wherever you need us. We can meet all of your maintenance, repair, overhaul and performance testing requirements within our state of the art, dedicated SGT-A20 gas generator facility in the UK. You’ll benefit from our technologically innovative component repair solutions, designed to enhance the service life of your gas generator parts.

And when it comes to spare parts, inventory management, exchange engines and field service, we can deliver.

Gas generator advance exchange

We provide an advance exchange option for operators who don’t have the luxury of time or rotable assets within their fleet. Typically, this service requires assembly and configuration of an exchange gas generator in advance of a planned maintenance event.

We’ll ship the replacement engine to you ready for immediate exchange and matched to your site specific configuration. Our service option can include installation and commissioning to minimise plant downtime and let you resume business operations with minimal disruption.

We have serviced more than
SGT-A20 Gas Generators

Within our approved maintenance facilities in the
UK, US &

Get in touch

Get in touch with us to discuss your SGT-A20 gas generator service requirements.

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Industrial Avon Datasheet

Industrial Avon Datasheet

Download the SGT-A20 Datasheet
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Case study

Supporting power generation in Finland.

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Case study

Enhancing oil production in Abu Dhabi.

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Fact sheet

New generation of gas generator container.

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