IHI has been developing and releasing various shield tunneling machines, such as the world's largest large-diameter shield tunneling machines and rotating shield tunneling machines that will greatly improve tunnel construction efficiency. IHI is also leading supplier of automatic segment assembling systems and also provides various types of segments.
Above ground, IHI's mini-excavators, crawler carriers, crawler cranes and truck-mounted concrete pumps are active throughout the wide scene of civil engineering and construction. IHI has provided these machines not only to Japan but also overseas including the U.S.A. IHI also supplies machines for concrete casting.