How are the Tier 4 engines performing?
• The message from the operators is that Cummins Tier 4 Interim solution is dependable, reduces their operating costs and improves the performance of their machines. Operators preferred the Tier 4 powered machine for its responsiveness and improved productivity. The field test program surpassed an overall 20,000 hours of operation in January 2010 and continues to rapidly accelerate the total number of hours. The field test machines are remotely monitored over the cellular network which enables Cummins engineers to quickly fine tune engine calibrations to further enhance Tier 4 equipment productivity.