Sandvik DL422i is a fully-mechanized and compact electro-hydraulic top hammer longhole drill designed for underground mass mining in 3.3 x 3.3 m or larger production drifts. It is capable of drilling vertical and inclined fans and single or parallel Ø89…127 mm longholes up to 54 meters in depth, using Ø76 mm / ST58 and Ø87 mm / ST68 tube rods.
Sandvik DL422i is mounted on a 4-wheel drive frame-steered and diesel-powered carrier. It is equipped with the HF1560ST hydraulic rock drill, LFRC1606 drilling module, ZR35 boom and operator’s safety cabin for high drilling capacity and maximum uptime. The 360° drilling module rotation and wide boom swing and tilt angles make the unit suitable for most mining methods and service support applications. The iSOLO drilling control system and drilling automation package Platinum (option) allow maximum productivity and good drilling accuracy.