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Tier 4 Emissions

Tier 4 EmissionsCat® equips every Tier 4 Interim/Stage IIIB engine with ACERT technology with an ideal combination of electronic, fuel, air and after-treatment components, based on engine size, the type of application and the geographic location in which it will work.  Applying technologies systematically and strategically optimizes them to meet your expectations for productivity, fuel efficiency, reliability and service life. The right technology fine-tuned for the right application results in:

View the Tier 4 Engine shutdown procedure.

For more information please visit our Tier 4 website.