Komatsu Ltd. (President and CEO: Hiroyuki Ogawa), through its subsidiary, Komatsu Cummins Chile Ltda. (KCC; President: Yasuji Nishiura), has agreed with Codelco, a major state-owned mining company in Chile, to collaborate on trialing a new tunnel excavation method using Komatsu's newly developed Mining Tunnel Boring Machine (TBM) starting in 2024 at Codelco's Chuquicamata Mine in Chile.