For engines of 10 to 15 litres capacity the Holset HX50 and HX55 are specified on some of the world's premium rated heavy-duty engines at up to470 bhp.

The Holset HX55 has a deserved reputation for industry leading performance in this segment.

Recently upgraded with new compressor options the Holset HX50 and HX55 compressor demonstrates excellent characteristics of map width, pressure ratio and efficiency.

Standard Features
  • Choice of turbine housing materials to cover a wide range of temperatures.
  • Compressor and turbine wheels selected for optimum airflow, efficiency and pressure ratio.
  • Fully adjustable compressor and turbine housing orientation.
  • Fully-floating twin hydrodynamic journal bearings.
  • High efficiency compressors with broad operating ranges.
  • High pressure ratio capability.
  • Selected compressor and turbines for optimal airflow, efficiency, pressure ratio and transient performance.
  • Superback compressor wheels for extended life and durability at high turbo speeds.
  • Symmetrical twin flow and single entry turbine housings.
  • Variety of compressor and turbine housing flanges available.
    Optional Features
  • CNG Engine version.
  • MWETM (Map Width Enhancement) compressor inlet.
  • Sound suppression baffles.
  • Watercooled turbine housings.
  • Watercooled bearing housings
  • Low flow turbine stage.
    Holset
    HX50 HX55
    For Engine Capacity (litres)
    10 - 15  10 - 15
    Output Range (hp)
    295-500  295-500
    Airflow (kg/s)
    0.75  0.75
    DIMENSIONS: 
     Length (mm)
    249  259
     Width (mm)
    275  275
    Height (mm)
    225  225
    Smallest Mass (kg)
    16  18
    Largest Mass (kg)
    19  21
    OPTIONS:
    VGTTM
    Wastegate
     
    Watercooled B/H or T/H
    T/H  T/H
    Ti Impeller
     MFS Impeller
     
     CNG Version
     

     
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