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Tunnel Construction

As tunnels dig deeper, demands get higher. Tsurumi offers a huge variety of robust and powerful pumps to suit even the most demanding of tunnel construction projects.


The strength and power of Tsurumi's pumps mean they can transport a wide range of substances including contaminated water, slurry, mud, bentonite, cement, corrosive liquids, etc. – almost anything.

Safe and reliable

Tunnel construction has one of the most intense safety focuses in the industry. The pumps that help keep the site safe cannot let you down. Tsurumi's long history has helped develop products with unrivalled reliability. This strength comes courtesy of a number of special features – click here to learn more.

Easy maintenance

Tsurumi's pumps are built to last. They are designed for easy maintenance and quick repair. Their simple yet robust construction means they can be dismantled using basic tools (a screwdriver or spanner) and technicians need only basic training to handle maintenance.


The pumps can reach heads of up to 177 m and have capacities of up to 12,500 l/min, with motor sizes ranging from 0.4 kW to 110 kW.


Removing residual water is vital in maintaining a safe working environment in tunnel construction. Tsurumi's residual dewatering pumps can empty large areas of water, reducing levels down to as little as 1 mm. In fact, the company's LSC series is affectionately known as 'The Puddle Suckers' for their unrivalled abilities.

Heavy-duty cable

A ruptured pump cable is the most common cause of pump failure. Tsurumi offers a heavy-duty pump cable for its pumps that can withstand high mechanical stress and has a tensile strength of 15 N/mm2.


The Tsurumi name is synonymous with strength. Its endurance pumps can withstand very high pressure found in deep water.

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