“Customers will not see a lot of changes to Vermeer brush chippers and stump cutters
as a result of the new engines,” says Roorda. “The biggest benefit will be to the environment, making the machines ‘greener.’”
AS DEERE BRINGS ITS T4I ENGINES ON BOARD, WHAT IS THE COMPANY STRATEGY FOR MEETING REGULATIONS?
“We are using a similar approach to what we did for Tier 3,” says Laudick. “Our experience tells us to offer equipment manufacturers such as Vermeer a simple, single-fluid solution. We are using cooled exhaust gas recirculation (EGR) for nitrogen oxides (NOx) reduction and an integrated exhaust filter for particulate matter (PM) reduction. That engine is easy to install, operate and maintain while delivering the power, fuel efficiency, reliability and low cost of ownership that customers expect.”
Other Vermeer engine suppliers, such as Caterpillar and Cummins, are using the same approach as Deere, according to Laudick. He points out that while the new T4I engines will not change in any significant way, owners will have to deal with a couple of requirements that were not an issue with Tier 3 engines:
• ENGINE OIL. Most of the new technology that involves using exhaust filters requires CJ-4 engine oil. Made for high-performance diesel engines, this oil is designed to protect the emission control system, reduce engine wear and help comply with emission standards.
• FUEL. Engines for T4I with exhaust filters will require ultra-low sulfur diesel fuel (today’s Tier 3 engines use low-sulfur fuel).
One of the challenges for engine manufacturers, says Laudick, is that there are only three years between the two newest levels of regulations (T4I and Final Tier 4). Engine manufacturers had five years when going from Tier 1 to Tier 2.
“We are addressing this condensed time frame by testing both T4I and final Tier 4 solutions simultaneously,” says Laudick, “but only releasing what is required to meet T4I requirements. This three-year window gives manufacturers many opportunities to look at different technologies to meet Tier 4 standards and figure out what is best for the customer. At the same time we are receiving a great deal of input — both from firms such as Vermeer and end users — as to what they want going forward.”
Adds Roorda, “All Vermeer customers can be assured that every machine that goes out the door will be fully compliant with EPA diesel emissions regulations.”
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