Hatz liquid- and air-cooled engines certified for Stage V


Hatz has announced that its new liquid-cooled engines and all of its air-cooled units have been certified for EU Stage V by the German Federal Motor Transport Authority (KBA).

The B-, D-, G-, L- and M-series air-cooled engines with a power output of less than 19kW, as well as the engine manufacturer’s new H-series liquid-cooled units, have all been officially approved compliant with the European emissions directive that came in to force on January 1, 2019.

Developed especially for Stage V requirements, the three-cylinder 3H50TICD and four-cylinder 4H50TICD engines of the H-series provide between 19kW and 55kW of power.

Hatz Motorenfabrik marketing team leader Stephane Gritsch, said, “The H-series engines are a consistent new development based on the downsizing principle. Selected materials, combined with components such as turbochargers or the Bosch common rail system (off-highway version), come together to form one of the industry’s most modern powerhouses with low displacement.”

To meet the requirements of EU Stage V, the engines are also equipped with a separable – and therefore very maintenance-friendly – combination of diesel oxidation catalytic converter and diesel particulate filter (DOC/DPF).

The air-cooled engines, since 2013, had fulfilled the EPA Tier 4 final emission stage but now meet the Stage V regulations without any additional exhaust gas aftertreatment or technical modifications.


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James joined the Industrial Vehicle Technology International team in 2017. Previously he was Assistant Editor on an engineering title for several years and has worked for various other trade magazines before that. James is happily married and has a young daughter and son who keep him busy.

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