Yamamoto Rock Splitter

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Yamamoto Products


Yamamoto Ultra Large rock splitter is specifically designed for excavation of large volumes of hard rock. The splitters are designed based on the wedge principle and the largest of its kind on the market.

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Yamamoto Applications


Our rock splitters are used for a wide range of rock excavation applications including open pit excavation, highway widening, building foundation, shaft-sinking and tunneling.

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Yamamoto Services


After-sale support is just as important as the product itself. Our strong after sales support ensures maximum productivity, rapid spare parts deliveries and minimum downtime.

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About Yamamoto

The history of Yamamoto Rock Splitter started back in 1915 when the late Mr. Shuichi Yamamoto first started manufacturing spare parts for rock drills in the mountain village of Tojo in Central Japan. Over the years manufacturing expanded into rock drills, pneumatic drifters and hydraulic drifters. The drifters are supplied on a private label basis to reputed rock drill manufacturers such as Atlas Copco and Ingersoll Rand.

Yamamoto Building

The first excavator mounted hydraulic rock splitter was supplied in 1981. Since then, we have supplied over 200 splitters worldwide. In 2010, a new International Sales and Logistics office was set up in Singapore to facilitate stocking and the delivery of splitter and spare parts. To better support European companies, a new center was established in the UK in 2016.

Even today, all manufacturing and product development still takes place in the original factory in Tojo, Japan. This allows us to maintain strict quality control and to build upon the 100 years of experience in manufacturing quality products.