Engines

Cummins and Cummins Westport are recalling just over 25,000 Cummins Westport Model ISL G engines manufactured Sep.12, 2007, through Feb. 2, 2014, and Cummins Westport Model ISX12 G engines manufactured Feb. 19, 2013, through Feb. 2, 2014.

“Proprietary” is a magic word among truck builders. It describes components of the company’s own manufacture or design that are installed on the company’s own trucks. For truck users, this can be a good thing, because they’re designed to work specifically with a company’s other components.

Meijer, a Michigan-based chain of supercenter stores, says it was the first fleet in the country to adopt EPA-2010 emissions trucks. That's one reason David Hoover, director of outbound logistics for Meijer, is an HDT 2014 Truck Fleet Innovator. Learn more in this video and in the March issue of HDT.

Turbine-electric powertrain and carbon-fiber trailer sides are not yet used in commercial motor trucks, but a concept Walmart tractor's COE layout and trailer's rounded nose hark back to previous times while at the same time evoking a "Jetsons" futuristic feel.

In this three-part video test drive of a 2013 Mack Pinnacle, Equipment Editor Jim Park rides with Dave McKenna, Mack's director of powertrain sales. He explores the mDrive automated manual transmission and the Mack SuperEconodyne fuel-saving powertrain package.

Two major players who are developing their own networks of natural gas fueling stations have cut back on expansion efforts.

Paccar, the parent to truck makers Peterbilt and Kenworth, reported record revenue of $17.12 billion in 2013 compared to revenue of $17.05 billion the year before.

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.

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.

Navistar Inc. announced that it has started customer shipments of its first International DuraStar vehicles with the Cummins ISB 6.7-liter engine. The first units were released from the company's Escobedo, Mexico assembly plant.

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.

The U.S. Environmental Protection Agency has lost a fight with truck engine makers over an earlier decision allowing Navistar International to sell earlier models of its engines with exhaust gas recirculation technology, even though they did not meet federal emissions rules.

Truckers who don't run a lot of miles in California may get more time to comply with emissions rules.

Officials with the truckstop chain, Travel Centers of America, indicated this week when they plan to open their first liquefied natural gas filling stations in cooperation with Shell targeting commercial vehicles.

Natural gas truck engine producer Westport Innovations plans to stop taking orders for its North American 15-liter model after Nov. 15., citing weak sales.