HJS Emission Technology GmbH & Co. KG

Welcome to HJS Emission Technology

HJS Emission Technology GmbH & Co. KG is a medium-sized company founded in 1976 and based in Menden in central Germany. HJS has many years of experience and expertise in the field of exhaust-gas aftertreatment. More than 450 employees are engaged in the development, production and marketing of modular systems for reducing pollutant emissions. These innovative environmental protection technologies can be used either as original equipment or for retrofitting in passenger cars, commercial vehicles as well as in a wide range of non-road mobile machinery and stationary applications.

An HJS Stage V Emission Upgrade specifically tailored to the machine package of rail vehicles enables the best compromise between ecological and economic requirements. The "First Fit" approach from HJS meets machine-specific requirements and significantly reduces high levels of investment in fleet modernisation.

In the various applications in which HJS systems for exhaust gas aftertreatment are used (original equipment, retrofit programmes), an extensive modular system enables system application with little technical and time effort. The extensive product portfolio meets the highest quality standards and thus contributes to the sustainability of the vehicle and machine population.