Royston are a dynamic and expanding diesel engine supply, service and repair company operating successfully within the industrial, marine, offshore and rail sectors for more than 30 years. With bases in the UK and Perth (Western Australia) Royston have gained an excellent reputation by offering customers a comprehensive quality service as an affordable alternative to the OEM. Our 15,000sq.ft UK workshop facility with unparalleled levels of equipment for engine refurbishment, dynamometer testing and in-house fuel injection and turbocharger workshops allow Royston to be a genuine ‘one stop’ option for all diesel power and generation needs.