Koken Kogyo Co., Ltd.'s Excavators

The BM-100N has long been the core of the BM series since its introduction in the late 1960s. The BM-150A is a monumental model that achieved full-...

• Agricultural Materials

• Excavators

The BM-100N has long been the core of the BM series since its introduction in the late 1960s. The BM-150A is a monumental model that achieved full-...

• Agricultural Materials

• Excavators

When introduced in 1993, it was the largest model capable of reaming with a maximum diameter of 4750 mm. In order to take advantage of the high pow...

• Agricultural Materials

• Excavators

This is the largest model of the Bigman BM series. It has the ability to ream and dig up to 6m in diameter, and has achieved numerous results since...

• Agricultural Materials

• Excavators

This model was created after requests were made primarily from China to create a machine that utilizes the power swivel type's large-diameter horiz...

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• Excavators

This is the latest model of long horizontal boring that KOKEN has cultivated since its Seikan tunnel investigation boring. Horizontal survey boring...

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• Excavators

This is a top drive specification of a large truck-mounted water well drilling machine.

• Agricultural Materials

• Excavators

The midget drill series is compact and lightweight, making it effective for construction work in narrow spaces.It enables a variety of installation...

• Agricultural Materials

• Excavators

The midget drill series is compact and lightweight, making it effective for construction work in narrow spaces.It enables a variety of installation...

• Agricultural Materials

• Excavators

The standard penetration test, which mainly measures the hardness of the ground, is an indispensable measurement method for future Japanese land re...

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• Excavators

RPD-100NTH was born as our new high power standard type percussion drill. Equipped with a high-output, high-performance KD950B drill head and a new...

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• Excavators

RPD-180C is a model in which the engine of RPD-160C has been replaced with an engine that complies with Tier 4 Final emission regulations. Equipped...

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• Excavators

RPD-20L was created in response to the need for smaller and lighter anchors at construction sites. The dry weight of the main unit is 380kg, and it...

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• Excavators

This is a large arrow drill with the most power among Koken's RPD rotary percussion drills. Equipped with the powerful large-diameter drill head KD...

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• Excavators

The new Arrow Drill RPD-30LK has succeeded in reducing weight by incorporating light alloy into major parts such as the drill head. This has simpli...

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• Excavators

The RPD-40C is a new core model of the compact RPD crawler that packs the high-speed drilling performance of the Arrow Drill series into a compact ...

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• Excavators

Among the lightweight and compact arrow drill series designed to reduce construction costs by simplifying work scaffolding for slope anchor work, e...

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• Excavators

The RPD-60R3-SP1 was created with the aim of simplifying slope anchor scaffolding by reducing the weight of the drill body, and further reducing th...

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• Excavators

RPD-75DR is our new standard type percussion drill. The guide cell has a length adjustment mechanism that can be used for a variety of construction...

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• Excavators

RPD-75R2-DFC is a new lineup of the popular RPD-75 series. Mainly targeting the needs of the anchor method, it combines a large-diameter, high-tor...

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• Excavators

The RPD-75SHF punch is a new lineup of the popular RPD-75 series. A telescoping guide cell arm for flexible installation of various types of ancho...

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• Excavators

RPD-75SL-H2 is equipped with the standard KD-610 type drill head, and uses a shortened guide cell that uses a cylinder instead of a motor and chain...

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• Excavators

RPD-75SL-H3 is equipped with the standard KD-610 type drill head, and uses a shortened guide cell that uses a cylinder instead of a motor and chain...

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• Excavators

The RVD-50C is a model equipped with a vibrating head instead of the percussion head of the RPD-50C/50TT.

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Groundwater at deep depths of over 1,500 meters can be used for hot springs and geothermal energy. Speed ​​Spa Drill SSD4000 has the largest drilli...

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• Excavators