As sure as a rooster crows, you can expect a QSM-powered tractor to perform. Every morning. Whether you're pulling a chisel plow, cultivating a row crop or hauling in a wagonload of hay, the QSM gets it done. With superior performance that's the result of advanced combustion technology and our responsive wastegated turbo. Electronically controlled unit injectors with cam-driven rate shaping optimize both emissions and efficiency.

SmartEfficiency: High-Achieve and Cost-Lowering The Cummins SmartEfficiency initiative is a focused approach that improves uptime and reliability while providing a broad spectrum of reliable engine choices to meet every need. The combination of a low cost of operation, high reliability, clean operation and long-term durability are unsurpassed in the industry. The fact that all Cummins engines use the same control system technology and can be serviced at any authorized Cummins location ensures serviceability anywhere, anytime

The new Tier 3 and Stage IIIA compliant Cummins QSM engines take you to a whole new level of power, versatility and emissions control. Every day, QSM engines are put to the test in industrial applications worldwide. With superior performance that's the result of advanced "in-cylinder" combustion technology and our responsive wastegated turbo. Both emissions and efficiency are optimized by the QSM's electronically controlled unit injectors with cam-driven rate shaping.

The QSM not only meets Tier 3 and Stage IIIA emissions standards, it uses in-cylinder technology, a simple and cost-effective solution that maintains the proven performance, dependability and durability of the QSM while operating cleanly and efficiently. Every day, QSM engines are put to the test in farm machinery worldwide. With superior performance that's the result of advanced in-cylinder combustion technology and our responsive wastegated turbo. Both emissions and efficiency are optimized by the QSM's electronically controlled unit injectors, with cam-driven rate shaping.

220-526 kW | 295-705 hp

220-493 kW | 300-670 hp Built to meet or exceed your engine’s original specifications for performance, reliability and durability Fully remanufactured according to Cummins five-step remanufacturing process Repower packages to replace any brand in virtually any boat Covered by a two-year, 2000-hour warranty and backed by Cummins global service network Remanufactured at the Cummins ReCon Engine Plant in San Luis Potosi, Mexico Commercial Customer Spotlight: ReCon Engine Customer  

Your business depends on people and equipment that can get the job done every day. The Cummins QST30 is proven diesel power you can count on for around-the-clock performance, around the globe, in the toughest possible conditions. No matter how demanding your application, the QST30 combines full-authority Quantum System electronics with higher horsepower and robust torque to handle every challenge.

The new QST30 engine is one of the Quantum Series from Cummins with innovative technology that delivers more for less. It gives: outstanding reliability and durability lower weight compact size improved emissions capabilities This high standard Quantum engine offers more power, more torque and higher durability – all while achieving lower fuel consumption, lower emissions and less servicing.

GROUND-BREAKING PERFORMANCE ALL-AROUND  

Cummins QST30 powers the biggest construction equipment and tackles the biggest jobs. For years, it's delivered exceptional performance and durability with low maintenance and operating costs. Available in ratings from 760-1200 hp (567-895 kW), the QST30 uses advanced electronics and robust standard features for superior reliability and durability. Every QST30 engine is covered by Cummins three-step warranty, one of the most comprehensive and simplest plans of the industry.