Pathak Mild Steel Cylinder Boring Machine, Capacity: 42-75 Mm, Model Name/Number: PBR-75. Cast Iron 14 HP Boring Machine, Automation Grade: Semi-Automatic. Cast Iron 38 HP Submersible Boring Machine, Automation Grade: Semi-Automatic, Model Name/Number: INDRA38ET. Sandvik lh203E 55 kW kW Electric Underground LHDs.