The QSX is designed to deliver dependable, hardworking performance without compromise, every acre and every day. A unique dual overhead cam design optimizes combustion efficiency and pulling power of your 4WD tractor or scraper tractor, so you can easily handle the biggest rippers and tillage tools.
The QSX is designed to deliver dependable, hardworking performance without compromise, every day. A unique dual overhead cam design optimizes combustion efficiency and pulling power.
The QSX not only meets Tier 3 and Stage IIIA emissions standards, it is the base platform to reach Tier 4 requirements as well. It uses in-cylinder technology, a simple and cost-effective solution that maintains the proven performance, dependability and durability of the QSX while operating cleanly and efficiently.
To meet Tier 3 and Stage IIIA emissions standards the QSX uses in-cylinder technology, a simple and cost-effective solution that maintains the proven performance, dependability and durability of the QSX while operating cleanly and efficiently.
The QSX11.9 is a clean-sheet design that incorporates Cummins proven technology enablers to meet EPA Tier 4 Interim and EU Stage IIIB low emissions standard in 2011. The QSX11.9 will achieve up to 5 percent better fuel efficiency*, lowering your cost of operation and improving your bottom line. Ratings range from 300-500 hp (224-372 kW).
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