Engine Services

Fleetwide / Worldwide - Whatever the application Royston offer a range of diesel engine services in the field or within our UK specialist workshop facilities.


  • Medium and high speed engine supply
  • Installation and commissioning of new engines
  • Engine overhauls
  • Engine component overhaul
  • Dynamometer testing
  • Turbochargers - overhaul, balancing and re-blading
  • Fuel injection - repair, overhaul and calibration
  • Pumps and compressors - repair and overhaul
  • Coolers - Overhaul and pressure test
  • Instrumentation/Control systems - Testing and calibration
  • Propulsion systems
  • Fuel sampling
  • Spare parts sourcing
  • Service exchange system
  • Oil and fuel conditioning monitoring

Global fleetwide support
With bases in the UK, Western Australia and Nigeria we offer a 24 hour service, 365 days a year, with fully trained, experienced and certified engineers to deploy globally whatever the engine type.
Our service facilities complement our services in the field and offer engine refurbishment, dynamometer testing, turbocharger overhaul, fuel injection equipment repair, overhaul and calibration services.

Rapid, efficient and affordable delivery of OEM standard service

Engine Types Supported

  • CAT
  • Cummins
  • Detroit
  • Dorman
  • EMD
  • Lister
  • MAK
  • MAN
  • Mirlees
  • Mitsubishi
  • MTU
  • MWM
  • Niigata
  • Paxman
  • Perkins
  • Rolls Royce
  • Ruston
  • Scania
  • Volvo Penta
  • Wabtec
  • Wartsila
  • Yamaha
  • Yanmar

Need more services? We've got you covered.