The Science Behind New Holland's Tier 4 Emissions

Monday, January 9th, 2012

Willie Greaser, Brand Marketing Manager for New Holland, talks about Tier 4 emissions and what New Holland is doing to meet those emissions, specifically with selective catalytic reduction.

Hello. My name's Willie Greaser. I'm a brand marketing manager for tractors for New Holland. Today I want to talk to you a little bit about Tier four emissions and what we're doing to meet those emissions. First of all, a lot of you, if you're in big tractor markets, have heard of Tier four and know about it. That's because last year, basically, 140 PTO horsepower and above went to Tier 4. Now, January first of this year, a whole new segment of tractors are going to start rolling into Tier 4, so a lot more of you are going to need to know about it when you're buying tractors.

So what I'm going to talk about is selective catalytic reduction. That is one of the methods that New Holland has used on our tractors to meet Tier 4. What is it? Why does it help you? Basically, meeting Tier four emissions, there's different ways to do it. But the way selective catalytic reduction does it is it basically takes all the emissions and takes care of meeting the emissions after the engine is all set up for all the power, all the performance, all the fuel efficiency it could get. So the engine really goes back to Tier two or Tier one levels, back when that time emissions wasn't important.

Now what happens is, at Tier four we have that great‑running engine, great fuel capacity, great power, and we treat for the emissions, the regulations we have to meet, at the time the exhaust leaves the engine. When it leaves the engine, what happens is there is a selection of what's called diesel engine fluid that is injected into the exhaust. That mixes with the exhaust and then goes through a catalytic converter, and that catalytic converter basically converts it into nitrogen and oxygen. So basically, what's coming out of the tractor is very good for the environment, and you get the benefits of having great fuel efficiency. In fact, basically, going from Tier three to Tier 4, we're saving up to 15 percent in fuel performance, doing the same work.

So, selective catalytic reduction. It's a different thing. It's new to a lot of farmers. But it's been now on the market in trucks for, I'd say, five, six years. We've had it on our bigger tractors now for over two years, with great results. We're getting all the results that we have been mentioning here. Now that is going to move down one section, and you'll start to see that selective catalytic reduction in the New Holland tractors above about 100 horsepower. You'll start to see that coming in this coming year. We've chosen it because we believe it is the best for the environment, and it's best for the customer, because you have the fuel savings, the total‑operating‑cost savings over other types of methods.

So if you want to find anything out about SCR, you can visit the NewHolland.com website. You'll see some emblems like ECOBlue. That's talking about our solution, Tier four solutions for the environment, for you, the customer. So come visit us, or come visit a New Holland dealer. They have experience in this type of method. The tractors have been now on the market for about two years for the larger size. Come visit us at NewHolland.com, or come visit a dealer.

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