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The cleanest rammers in the world, from Wacker Neuson

The cleanest rammers in the world, from Wacker Neuson

From inventor of the rammer to a pioneer in the industry

It was invented more than 80 years ago by Hermann Wacker, now more than one model has "sprung" up: We are talking about the vibratory rammers for soil compaction, which are available today as two or four-stroke models, gasoline or diesel-powered – and even as emission-free versions with batteries and electric motors. To date, about half of all rammers sold worldwide come from Wacker Neuson.

They compact soil in road and highway construction and civil engineering worldwide and are indispensable in gardening and landscaping. Hermann Wacker, inventor of the vibratory rammer in the year 1930, would certainly be proud if he could see the design and development of his brainchild. His name has become synonymous with soil compaction in North America and in many other countries. "You have to wacker it," say the Americans when it comes to compaction.

More compact than vibratory plates, rammers are flexible in use, especially for compaction work in tight trenches and in sheeting and bracings. Emissions in trenches were of course not an issue in the 1930s, in part because the first rammers worked with electric motors. Only the cables and the dependence on nearby power sources were impractical with the first rammers.

In the further design and development of Wacker Neuson, the 2-stroke rammer followed with its specially designed engine, which emits significantly fewer total emissions than comparable 4-stroke-models. The latest design and development combines zero emissions from the electric drive with simple operation through battery technology and has thus made Wacker Neuson into the innovative leader in this product segment once again.