The key to mining profitability is equipment availability. The QST30 combines proven reliability and durability with innovative technology to deliver excellent fuel economy with the lowest cost-per-hour of operation in its class. Sophisticated electronic controls and flexible calibrations make it possible to match your engine’s performance to the equipment, work environment and job demands in each piece of mining equipment. The durability of the base engine is well proven, with thousands of QST30 engines in haul trucks, blast hole drills and wheel loaders delivering superior uptime worldwide. With ratings ranging from 850 hp to 1200 hp (634-895 kW), the QST30 is an excellent choice for every mining application – whether installed in new equipment or upgrading an engine in an existing machine.