Engines

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July 21, 2014

At Least 15 Lawsuits vs. Cat on ACERT Diesels Include Trucks, Buses

Multiple lawsuits against Caterpillar for chronic failures of its 2007-2010 ACERT diesels go beyond heavy trucks, and include school buses and motor coaches as well as at least one marine engine, according to news reports, while a wide variety of problems have been chronicled in discussion groups on the Internet.

July 15, 2014

International DuraStar, WorkStar Get 9.3-Liter SCR Diesels

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.

July 14, 2014

E85-Fueled Engine Cuts CO2 by Up to 80%, Cummins Says

Based on a 2.8-liter diesel, the spark-ignited Ethos engine runs on corn- or lignocellulosic-derived fuel, and also produces high power and torque.

July 14, 2014

Power Solutions Receives EPA Certification for 8.8-Liter Engine

Alternative-fueled engine maker Power Solutions International has received certification from the U.S. Environmental Protection Agency that the company's 8.8-liter propane and natural gas fueled engine can be used for on-highway applications.

July 11, 2014

Isuzu Introduces NPR-XD Diesel Truck

Isuzu Commercial Truck of America recently announced the addition of the NPR-XD to its to its N-Series diesel trucks line-up.

July 8, 2014

Cummins Names Freeland New President/COO, Crompton Heading Engine Business

Truck engine maker Cummins announced two key leadership changes on Tuesday. Rich Freeland will assume the role of president and chief operating officer, reporting to Tom Linebarger, who will remain chairman and chief executive officer.

July 8, 2014

Multiple Lawsuits Filed Against Navistar Over International MaxxForce Engines

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.

July 7, 2014

The Peterbilt-Cummins SuperTruck, Part 2: More Secrets Revealed

The Peterbilt-Cummins SuperTruck project achieved almost-unheard-of gains of 68% in freight efficiency over a 24-hour duty-cycle, a 50% improvement in freight efficiency on an 11-hour drive-cycle and a 20% improvement in the thermal efficiency of the engine. How did they do it, and what does that mean?

July 2, 2014

Clean Diesels Claim 33% of On-Highway Market

Since the first clean diesel engines were introduced more than seven years ago, they now represent about one-third of all the trucks registered to operate on U.S. highways. The total population of in-service clean diesel engines now numbers about 2.8 million.

June 30, 2014

New Oil Standard Won't Have Adhesive Wear Test

A proposed test for adhesive wear, or scuffing, will not be a part of the upcoming new API oil standard, currently known as PC-11, and the new category is running behind schedule for implementation.

June 25, 2014

Detroit Marks Production of 250,000th Heavy Duty Engine Platform

Less than seven years after introducing its Detroit DD15 engine, Detroit Diesel on Wednesday marked the production of its 250,000th DD Series engine.

June 18, 2014

GM Claims Highest Power Ratings for Midsize Colorado/Canyon

Horsepower and torque ratings announced by General Motors will make its 2015 Chevrolet Colorado and GMC Canyon pickups the most powerful in the midsized truck segment, the company claims.

June 17, 2014

121 Ways to Save Fuel: In the Shop

From the equipment you spec and maintain, to the fuel you buy, to driver training and incentives, you’ll find tips for nearly any type of fleet.

June 9, 2014

England Van Lines Retrofitting Trucks with Stop-Start Technology

California-based England Van Lines plans to retrofit its fleet of moving trucks in San Jose with new stop-start technology allowing drivers to coast through traffic lights without having to stop.

May 22, 2014

Integrated Powertrain Debuts from Detroit

DETROIT -- Detroit Diesel introduced its new Integrated Detroit Powertrain Thursday at an event in Detroit. The powertrain package brings together the company’s DD15 engine, DT12 transmission and Detroit axles.

May 21, 2014

New Ford F-650/F-750 Diesel Available in Three Power Ratings

Ford's all-new F-650/F-750 medium-duty truck lineup with 6.7-liter Power Stroke V-8 turbo diesel will feature three engine power ratings, with no vocational limits on top ratings.

May 14, 2014

Shell Engine Teardown Compares Protection of Experimental Oil

What do you get when you put a group of trucking journalists in a room with three tables of engine teardown parts and ask them to choose which one is from the truck running the experimental low-viscosity oil? A lot of eeny-meeny-miney-mo.

May 14, 2014

I Came to an Engine Teardown and Learned About Barbecue

So what do engine oil and competition pit barbecue have in common? Editor in Chief Deborah Lockridge finds out for her All That's Trucking blog.

May 14, 2014

Photos: Shell Rotella Engine Teardown

A North Carolina fleet has been running a group of trucks on three different Shell Rotella oils -- a 15w-40, a 10w-30, and a 10w-30 that's been altered to provide a lower high-temp/high-shear number than is currently approved. A teardown of one of each after more than half a million miles shows virtually no difference in wear among the three engines. Learn more here. (By Deborah Lockridge, Editor in Chief.)

May 14, 2014

Shell Teardown Evaluates Low-Viscosity Experimental Engine Oil

In anticipation of a new heavy duty engine oil API classification aimed at improving fuel economy with oils meeting lower high-temperature/high-shear viscosity standards, Shell did a field test of an experimental low HTHS-viscosity version of its Rotella engine oil. It shared the results with trade press editors on May 14, 2014. Here Howard Hill, engineer, lubricant technology, explains the results to HDT Editor in Chief Deborah Lockridge.

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