Tier 4 Interim/Stage IIIB engines

  • 08-Jun-2009 05:25 EDT

Perkins Engines’ 1200 Series Tier 4 Interim/Stage IIIB compliant engines offer not only specific power outp­uts but also a choice of engine configuration and options that provide OEMs with the ability to design-in the engine into an application with minimal re-engineering. At the top of the range is the 1206E-E70TTA, a 7-L six-cylinder unit that produces 225 kW (300 hp), a 21% increase in power over the current 6.6-L unit. The engine features two turbochargers–one small, one large–mounted in series. The smaller first-stage turbo accelerates quickly, giving good response and torque at low speeds. The second stage provides the high airflow required to offer improved power density. Below 130 kW (175 hp), a shorter-stroke version, the 1206E-66TA, is a 6.6-L engine that provides high torque at low engine speeds. Both models use a diesel oxidation catalyst and diesel particulate filter to ensure compliance with forthcoming particulate emission regulations.­

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