The Cummins QSB4.5 achieves Tier 3 and Stage IIIA compliance with in-cylinder technology that maintains a compact, simple installation that provides premium performance to every application.
The QSB4.5 makes every piece of farm equipment work harder, smarter, quieter and longer. Every time. It shares technology with the rest of our highly successful B Series, including charge air cooling and turbocharging for strong performance. Power ratings range from 110-170 hp (82-127 kW).
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