Hermann Dünser’s RM 90GO! operates when he needs it. The Austrian has appreciated the reliability of RM crushers for more than 20 years. Find out why he still allows himself the “luxury” of his own crusher for his one-man business.


Country Austria
Customer Hermann Dünser
Machine RM 90GO!
Material Concrete, C&D waste, asphalt, bricks, river gravel, natural stone
Feed material size Depends on application
Final aggregate Depends on application
Final material application Road construction


“The RM 90GO! is actually a luxury for a one-man business, but it’s perfect for me,” says Hermann Dünser from Bizau in Vorarlberg, Austria. “My depot is pretty small, so it’s handy to be able to crush and reuse all the C&D waste on-site right away. Otherwise I would have to pay landfill fees for the C&D waste or rent storage space,” he says by way of describing his savings. So the RM 90GO! pays off for him, even though he uses it for only 200 hours a year. The model has proven itself for the 52-year-old for more than 20 years: His first machine was an RM 60 and later an RM 80 before Dünser bought the previously-owned RM 90GO! earlier this year.


“The RUBBLE MASTER springs into action when you need it”

As a one-person company in the Bregenz Forest region, the flexibility and reliability of his machines are particularly important to Dünser. “Even just transporting 200 m³ of rubble and then bringing new material to the job site costs me too much time. Having my own crusher makes me more flexible in my work day. Even back then with my RM 60, I was able to access every alpine road and track in the mountains. RM crushers are very manoeuvrable, easy to transport and ready for immediate use. In addition, RM machines are extremely reliable. That is important for small business owners like me,” says Dünser.


Service you can rely on

“I only buy machines that I know are reliable, and everything works in terms of service and spare parts. If I ever need spare parts, RUBBLE MASTER always has something in stock and the right part is delivered.”


Recycle waste to produce raw material

“The crusher enables me to turn waste into valuable raw material again. RM impact crushers produce high-quality material with well-defined edges. This creates a material cycle. In addition, it saves a lot of truck journeys, which also makes ecological sense,” says Dünser. In saying that he illustrates one of the key philosophies that has driven RUBBLE MASTER since its inception in 1991: Sustainable materials management using clever crushers and screens to conserve resources and protect the environment.

Our crushers in action

RM 90GO!

Leistungsstark und rentabel – diese Eigenschaften beschreiben den RM 90GO! am besten. Vielseitig wie er ist, verwandelt er jedes mineralische Material zu hochwertigem kubischen Endkorn, bis zu 200 t/h. Dank seiner Mobilität ist er sowohl in der Innenstadt als auch im Bergland im Einsatz.

Contact us for more information

[email protected]

+43 732 73 71 17 – 0

Natural rock

Crushing at a high output and low wear, and that in every possible and impossible location, is not an issue for RM crushers. They manage to generate the highest quality value grain from natural stone on site. Depending on the desired combination of machinery. The end result is always cubic aggregate.

Abrasive rock

Quartz gravel, granite and riverbed gravel are not easy to process because high levels of quartz cause high wear. However, RM crushers are designed for such materials: thanks to their compact size they can achieve high throughputs even in tight spaces, producing valuable aggregate directly on site at all times.

Crushing gravel with 90% quartz content

Processing 24,000 tons of gravel with a quartz content of around 90 percent to produce 0-32 mm value grain
– that was the right challenge for the RM 100GO!. The mobile power pack with its wear-resistant hammers rose to this challenge in the Vienna basin extremely economically. Excavator and loader drivers are impressed.

Endurance in riverbed gravel

Building roads to connect to eastern Mexico was difficult because of the problematic terrain. It was necessary to prepare materials on site because of the remote locations of the construction sites. The RM 70GO! is ideal for challenges like this. Its manoeuvrability make it a perfect machine.

High demand for crushed sand and grit

The Swiss company Mühlebach AG has been successfully processing gravel for 40 years. As pioneers in this business field, they demand machines that are state of the art. They have now added an RM V550GO! to their fleet of machines in order to meet the demand for crushed sand and grit.

Impressive RM V550GO! performance in Argentina

At the beginning of the year the RM V550GO! made light work of transforming 0-200 mm river rock into fine 0-19 mm value grain. The awesome capacity and low diesel consumption were key in the Argentine company’s decision to purchase the RM V550GO!.