What is the opinion of the Tier 4 field test operators?
• Cummins field test installations are receiving excellence testimonial comments from equipment owners and operators who prefer the cleaner, more fuel efficient and responsive Tier 4 Interim engines compared with Tier 3 powered equipment. Some of these comments are shown below: “…we prefer to use the Tier 4 because it is quieter, much more response, no downtime, no problems…” “…our fuel efficiency has improved by at least 5% with this machine…” “…it’s amazingly better, yes, a lot stronger, a lot faster, a lot quicker, everything…” “…Tier 3 was nice – and now this one is a whole lot better engine…”.