The Caterpillar C7 engine is said to feature an enhanced version of ACERT Technology that allows it to comply with the 2007 EPA regulations without sacrificing reliability, durability or fuel economy.
Power for comes from the Cat C4.4 ACERT engine that meets Tier 4 Final emissions standards using a service-free SCR technology (Caterpillar had been selling the 450 F using flex credits).
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