28 JULY 2026 WorldWide Drilling Resource® Built on Legacy and Unmatched Performance Adapted from Information by Sandvik The DD423i raises the bar for productivity, intelligence, and reliability in underground drilling, which was built from the legacy and exceptional performance of the DD422i. “The introduction of the DD423i is an important milestone for Sandvik,” said Simon Morrissey, Product Manager for Development Drills. “The DD422i set the benchmark for development drilling in 2015 and its success over the past decade has shaped the industry. With the DD423i, we honor that legacy while delivering a future‑ready drill designed for even higher performance, automation, and safety.” Delivering more drilling coverage and improved cross‑cut performance, it introduces new SB75i booms with double rollovers, allowing for superior reach in tight spaces, such as room‑and‑pillar setup. The incorporation of automatic boom movements and integrated collision avoidance technology results in faster, safer, and more accurate drilling. During Field testing in Boliden, located in Sweden’s Skellefteå region, the DD423i achieved over 95% machine availability, highlighting Sandvik’s dedication to manufacturing robust and reliable equipment. “The Skellefteå region is known for its extremely hard and abrasive geological conditions. It is one of the toughest areas for rock drilling in Scandinavia and therefore provided the ideal testing conditions for the DD423i,” said Morrissey. The redesigned cabin on the DD423i delivers crucial advancements in operator safety and comfort, offering increased visibility, lower noise levels, and improved dust control. Enhanced serviceability with easy access to key components supports quicker maintenance and reduces downtime. The advanced drilling control system provides fast and accurate performance with intuitive operation for all skill levels. This rig is fully compatible with Sandvik digital mining solutions, including Sandvik iSURE®, Sandvik DrillConnect, Sandvik iNav total station navigation, My Sandvik Remote Monitoring, and the Newtrax Mining Data Platform, enabling a connected, data‑driven approach to development drilling. MIN
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