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Tier 4 Engines
On Jan. 1, 2011, engines for off-road applications, including farm equipment, will have to meet the latest Environmental Protection Agency (EPA)–mandated emission standard. When interim Tier 4 goes...
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The next level of emission standards mandated by the Environmental Protection Agency-Tier 4Interim for engines 174 hp and higher take effect as the calendar flips to 2011. Charlie O’Brien Vice...
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Emissions Endgame Approaches: Companies prepare for Tier 4B compliance by 2014. Case IH, John Deere, and other makers of off-road diesel engines have been developing cleaner technologies over the...
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