Cat Launches 325 CCR Tunnel ExcavatorThe new 164 kw 35t Cat 325 CCR, with a swing radius of only 1.9 m, is designed specifically for tunnelling. It has a robust undercarriage, and a full size heavy-duty dozer blade, shovel or backhoe.The integrated Tool Control System helps the operator readjust the auxiliary hydraulic circuits each time a tool is changed, without leaving the cab. A high efficiency catalytic exhaust filter removes over 98% of the carbon particulates and significantly reduces the output of HC and CO. For more details, contact stauffer_peter@cat.com 28/03.