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Cummins Tier 4 Final Field-Test Programs Exceeds 140,000 Hours                           Cummins Tier 4 Final Field-Test Programs Exceeds 140,000 Hours

The field-test program, initiated two years ago, includes nearly 70 different machines, encompassing the broadest range of applications and the toughest duty cycles. The equipment is operating on sites selected specifically to cover the most challenging conditions and extremes of temperatures.A combination of remote monitoring and frequent site visits by Cummins engineers to interview the field-test operators has provided valuable insight into Tier 4 Final performance ahead of engines and exhaust aftertreatment entering full production. As a result, engine calibrations and operating characteristics have been fully optimized to achieve the highest fuel economy and better torque delivery. Read more

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