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High efficiency radial turbochargers

  • Efficiency to help engines comply with emission regulations
  • Retrofit or bespoke installations possible
  • High pressure ratio. Suitable for high altitude / temperature applications
  • Compatible with all fuel types
  • Serviceable to reduce cost of ownership
  • eTurbo options on selected models

Our cutting-edge SIT range boasts market leading technology, meticulously designed to enhance the performance and reliability of engines across various applications.

Napier’s SIT products stand as a proven asset, elevating efficiency and durability to new heights.

Explore our range and discover how Napier Turbochargers can propel your operations forward.

Small Industrial Turbochargers

Product Statistics

A combination of existing radial technology and innovation have led to these turbochargers being at the forefront of capabilities, giving you a new choice for your engine.

Small Industrial Turbochargers Table data
Small Industrial Turbochargers Table graph
Small Industrial Turbochargers capacity data
Small Industrial Turbochargers compressor-map data

Small Industrial Turbochargers

Turbocharger Performance and Benefits

High levels of efficiency for all applications to allow emissions and fuel economy targets to be met with the latest designs for aerodynamic parts

Installation is compatible with existing turbochargers or can be suited to your particular engine requirements

Serviceability concept to treat your turbocharger as an asset instead of replacing at service intervals

Future thinking with eTurbocharger option for some models

Sit side

Know your turbochargers

We design and manufacture turbochargers for many different applications, engine types and fuels. The table below provides an overview of the power ranges (kW) for turbochargers across the entire SIT range.

Applications of Small Industrial Turbochargers

Power Generation Power Generation

Power Generation

Marine Marine


Industrial Industrial


Highway Highway


Off-highway Off-highway


How can we help with your project?

Whether you need our turbochargers or just our expertise, we're always happy to chat about your requirements.

We'll talk you through the services and support we can provide, and which of our products may be best suited to your needs.

Simply fill out the form with your details and we'll be in touch very soon.

Contact us
7 series side

7 Series

  • NA297
  • NA307
  • NA357
  • NA397
View the 7 Series
Nt1 series side

NT1 Series

  • NT1-10
  • NT1-12
View the NT1
Nt2 series both

NT2 Series (Two-Stage)

  • NT2-26
  • NT2-28
View the NT2

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