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New MAN E3872 gas engine 44.0% more efficient and 735 kW output from only 12 cylinders

Variants for biogas and natural gas; effective mechanical efficiency of 44.0%; single turbocharger concept, steel pistons and pre-chamber combustion process, hydraulic valve lash adjustment

MAN Engines showcases its new MAN E3872 series for the first time at the Biogas Convention & Trade Fair. It is designed as a four-stroke spark-ignition gas engine with a displacement of 29.6 litres, a bore of 138 mm and a stroke of 165 mm. With the 735 kWmech it produces, MAN Engines is now able to supply gas engines with a significantly higher power output. At the same time, the engine manufacturer from Nuremberg, Germany, is remaining true to its philosophy of achieving high power density. Thus, the new MAN E3872 series is based on the proven and compact platform of the 25.8-litre MAN E3262. “MAN Engines is synonymous with robust engines that take up very little space. The impressive output of 735 kWmech from a 12-cylinder engine is a customer-oriented solution with undeniable added value in terms of serviceability, maintenance and operation costs,” says Reiner Roessner, Head of Sales at MAN Engines.

To achieve a significantly increased output of 735 kW, MAN Engines engineers have incorporated numerous conceptual innovations. This means that empirical data from many millions of operating hours are available. Other fundamental differences mainly concern the changes made to the turbocharger concept, the combustion process and the cylinder heads.

Pre-chamber spark plugs, which have been specially adapted to the combustion chamber, also have a positive effect on the acceleration of combustion, as they cause the gas to ignite at several points in the newly designed combustion chamber. In addition, the combustion stability in low NOx operation has improved even more.

As part of the transition from the stationary natural gas engine portfolio to the «hydrogen-ready» state, the new E3872 engine will also be designed to run with a hydrogen additive if operated on natural gas.

The natural gas variant of the turbocharged E3872 engine achieves nitrogen oxide values ​​of 250 mg/Nm3 NOx, while the biogas variant achieves 500 mg/Nm3 NOx. The CHP or genset manufacturer could easily achieve future nitrogen oxide limits of 100 mg/Nm3 NOx using an exhaust after-treatment system.

Key Energy 2021 - Rimini.

ETS will be present again this year, from 26 to 29 October 2021, as the only official MAN importer for Italy for stationary engines and as an Italian MOTORTECH importer.

ETS – Engine Technology Solutions
Official importer of stationary MAN engines | Original spare parts MAN | Biogas and diesel engine service

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Key Energy 2020 - Rimini

Key Energy where energy meets the future. It is the leading fair for renewable energies in the Mediterranean area. Focus on photovoltaic and storage, solutions for the energy efficiency in the industry and residential, solutions for sustainable intermodal and connected mobility.

ETS will also be present this year, from 3th to 6th of November 2020, as the only official MAN importer for Italy for stationary motors and as Italian MOTORTECH importer.

In this important event, ETS will present its preventive assistance program on stationary MAN engines, without forgetting the original MAN and MOTORTECH spare parts for the engines that will be in exposure to be admired by the public. You can not miss, come visit us, we are waiting for you!

ETS – Engine Technology Solutions
Official importer of stationary MAN engines | Original spare parts MAN | Biogas and diesel engine service