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KAMY is the worldwide leader in manufacturing hydraulic cutters, road headers, tunnel support systems, and other specialized machinery used in the tunneling, mining, and construction industries. Through KAMY’s years of experience and innovative thinking, we can provide custom engineered solutions for nearly any project requiring rock excavation or concrete demolition.

KAMY is the leading manufacturer of roadheaders in the weight class of 13-80 tons weight. Our roadheaders offer interchangeable cutter heads, both transverse and axial and are custom engraved for each project. Our hydraulic cutters are suitable for material with uniaxial compressive strength ranging from 500 to 25,000 pounds per square inch. All of our products can be utilized in a variety of applications from rock excavation, trenching, demolition and concrete, to underwater cutting, tunneling, and scaling.

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In 1952, James S. Robbins developed the first modern tunnel boring machine for the Oahe Dam Project in South Dakota. (Image from The Robbins Company.)

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In late July the moment came: tunnel boring machine “SUSE” (10.82 m OD) completely excavated the western tube of the Filder Tunnel in Stuttgart, Germany. Now, in a specially built cavern, the approximately 120-m long Multi-mode TBM from Herrenknecht is be

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Eight tunnel boring machines created tunnels for a modern rail network in London. To case study Metro Guangzhou. Herrenknecht delivered 76 TBMs, equipment and services for the metro network in Guangzhou. To case study Gotthard Base Tunnel. Four Gripper TB

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The 42.5 ft tunnel boring machine used in the Port of Miami Tunnel Project ( Port of Miami Tunnel ) cost more than $45 Million USD. The 57.5 ft TBM used in the Seattle SR99 Project cost $80 Million USD (one of the largest TBM's in use).

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A tunnel boring machine (TBM) is a machine used to excavate tunnels with a circular cross section through a variety of soil and rock strata.They can bore through hard rock, sand, and almost anything in between.

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A family returns to life on a farm and finds some answers to the paradox of living. The son, a young man, is having a crisis of faith when he begins to question the meaning of death. In searching through the questions of life and death, he discovers the w

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Objects brought before the cameras include a garden ornament that turns out to be more important than first thought, a collection of handbags that has prompted a domestic tiff, and a 16th/17th ...

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