“My most important asset are my employees”, says Manfred Schrefler, founder and managing director of Manfred Schrefler GmbH. And he knows how to inspire his 70 or so employees: “You just have to make sure you keep everything up-to-date. We work with machines that are at the cutting edge of technology, and that is what people like. Of course, you have to invest something, but work is much more fun and with less downtime you also save costs!”. Schrefler would never have considered a crusher other than a RUBBLE MASTER with the latest hybrid technology.

When he founded the company in 2011 at the age of 36, he never thought that he would ever own an RM crusher. In 2016, the company succeeded in entering the recycling market by renting mobile RM crushers and screens. Schrefler has been operating his own RM 100GO! Hybrid in Neuzeug near Steyr since spring 2019. Recycling now accounts for approx. 30 % of his turnover. Depending on the application, he combines the mobile crusher with the robust RM HS5000M pre-screen, or uses the crusher on its own. Thanks to the flexibility of RUBBLE MASTER systems, Schrefler can process concrete, asphalt and C&D waste as well as natural stone, gravel and excavated material.

New hybrid technology saves costs
Anyone working with RM crushers knows how flexible they are for processing different materials and also for handling different construction site requirements. With hybrid technology, RM is going one step further and giving the user even more on-site advantages and flexibility: “When we crush using electric power, we manage even lower noise levels, which gives us a great advantage on inner-city construction sites,” says Schrefler. Emission standards also play a role: “With regard to emission regulations, with the RM 100GO! Hybrid and its Tier 4f/ stage IV engine we are among the best. Also, even though the new RM crusher is really great with its low fuel consumption, when I think about how diesel prices are developing compared to electricity, I can recycle cheaper with an electric-powered hybrid crusher.”

The company owner’s enthusiasm for technology and years of cooperation with RUBBLE MASTER led to joint tests using RM prototypes. The new RM MSC8500e hybrid screen, launched as a RUBBLE MASTER exclusive at the bauma 2019 trade fair in Munich, had also been evaluated and tested extensively by Schrefler. With a starting material of 0/500 mm gravel, the RM hybrid crusher shown here crushes to 0/63 mm while the RM HS5000M and RM MSC8500e screen the fractions 0/4, 4/8, 8/16, 16/32 and 32/70.

Our crushers in action

RM 100GO!

The RM 100GO! is the star among the mobile crushers – a mobile power pack for every application. It is ready for action within minutes and can handle a wide variety of materials extremely quickly. Weighing in at only 29 t when empty, it crushes up to 250 tonnes of material per hour.

RM HS pre-screens

Tracked coarse material screening plants in the RM HS series can process various feed materials such as blasted rock, bulky demolition material and asphalt. All screens in the HS series are extremely robust and high-output. Thanks to their enormous throughput they minimise material handling.

RM MSC post screens

Produce up to five fractions in a single pass – that is what the RM tracked MSC series screens can do to give you a decisive advantage in the market. Depending on requirements, you can use 2-deck or 3-deck machines in quarries, for gravel and sand or for rubble.

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Weitere Einsatzberichte

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!.