On 1 January 2019, the new EU emissions standard V was introduced; it applies to construction machinery and sets limit values for the emission of air pollutants; and for the first time also emission limits for the number of particles (diesel soot). From 2019, stricter emission standards will gradually apply to new construction machinery in accordance with the EU regulation. For many construction machines with diesel engines, a diesel particulate filter (DPF) will therefore also be required to comply with the particle limit values. This benefits health, safety and the environment. Once again, construction companies and municipalities are faced with the question of future-proof drive technologies. Because they need a high level of investment security to maintain and boost their competitiveness in emission-regulated markets. At Bauma (stand FS 1009), BOMAG will be showing the BW 120 light tandem roller with different drive solutions so that construction companies are equipped for both current and tomorrow's emission requirements.
As a particular highlight, the BW 120 tandem roller with a gas engine awaits Bauma visitors. The highly efficient 30 kW Deutz gas engine provides a comparable output to that of the corresponding diesel engine with particulate filter. The travel speed and compaction performance are similar. The machine is operated with environmentally friendly liquid gas (also LPG for liquefied petroleum gas) in commercially available liquid gas bottles, which can be purchased in DIY stores and petrol stations. One gas bottle enables working for up to five hours. Changing the bottle takes a maximum of 10 minutes and the handling is so simple that personnel only require a short briefing. The major advantage of the gas drive is that it eliminates the need for a complex exhaust aftertreatment system. The gas engine complies with EU emission level V and offers construction companies a convenient alternative for the future.
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