The Cummins Tier3/Stage IIIA Cummins QSB6.7 achieves Tier 3/Stage IIIA compliance with in-cylinder technology that maintains a compact and simple installation that provides premium performance to every construction application. The QSB6.7 is based on the highly successful B Series engines with charge air cooling and turbocharging for strong performance and offers power ratings from 130-275 hp (97-205 kW). This engine combines proven full-authority electronic controls with the impressive reliability and durability and long maintenance intervals. The QSB6.7 offers a wide range of standard features. Every QSB has improved cold-start capability and is 5-9 decibels quieter in operation than its predecessor.