QST30

The Cummins QST30 is a 30.5-liter V12 heavy-duty diesel engine delivering 760 to 1,500 horsepower with peak torque reaching up to 4,877 lb-ft . This Quantum Series engine features advanced full-authority electronic controls with programmable parameters for optimized performance, fuel efficiency, and real-time diagnostics . Ductile iron pistons and swirl-port cylinder heads provide exceptional durability, achieving up to 20,000 hours before major overhaul . The high-pressure common rail fuel system delivers up to 8% better fuel economy with smoother operation . CENTINEL™ oil management extends service intervals to 4,500 hours by blending used oil with fuel .

Globally, the QST30 dominates mining operations, powering haul trucks, blast hole drills, and excavators across North America, Africa, and Latin America . In marine applications, it propels workboats and offshore vessels . Power generation applications include prime and standby power up to 1,019 kVA worldwide . The QST30 also powers rail locomotives and construction equipment across Europe, Asia, and the Middle East, meeting Tier 4 Final and Stage V emissions standards . With compact dimensions and Cummins' global service network, the QST30 delivers reliable power wherever it's needed.