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Navistar has started customer shipments of its International DuraStar and WorkStar trucks with the company's 9.3-liter diesels fitted with selective catalytic reduction emissions-aftertreatment equipment.
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Lawyers for trucking companies have filed lawsuits in three states against the parent company of International Trucks, claiming Navistar failed to disclose known defects and problems with its EPA 2010 MaxxForce engines.
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Navistar announced enhancements to its severe service and medium-duty product lines, including adding selective catalytic reduction emissions technology to its higher-horsepower midrange engines.
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Average prices for diesel exhaust fluid in both the U.S. and Canada increased for the second consecutive month, after declining steadily over the last six months, according to new figures from the group Integer Research.
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A lot has happened since 2007 to impact medium-duty truck maintenance costs and protocols — for better and for worse.
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While most of the early problems have been engineered out of the exhaust gas recirculation systems on today’s clean diesel engines, corroded coolers, stuck valves and other problems still plague owners of older equipment.
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The U.S. Environmental Protection Agency issued a guidance letter late last year to heavy-duty on-highway engine manufacturers outlining how it intends to determine the physical range of adjustment of diesel exhaust fluid quality for certification testing, according to DiscoverDEF.com.
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Is this a case of win-win? Do the new regulations limiting greenhouse gas emissions help both the environment and truck operators’ bottom lines? So it seems.
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In May, Navistar International Corp. named Bill Kozek, a 26-year veteran of Paccar, as president of Navistar's North America Truck and Parts business. He succeeded Jack Allen, who was promoted to chief operating officer. Kozek spoke with HDT Editor in Chief Deborah Lockridge shortly after the company announced disappointing fourth-quarter earnings. Here's the Q&A.
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While Navistar has made substantial progress in its Drive to Deliver turnaround program, it still reported worse financial results for its fourth fiscal quarter than it had aimed for. Executives said the main culprits were industry truck sales levels that didn't pick up as soon as expected, and the continuing high warranty costs for its legacy all-EGR EPA-2010 engines.
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