Diesel Engines

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November 2, 2016

YTD Commercial Truck Registrations Fall 4.2%

The number of commercial vehicles in GVW Classes 4-8 registered this year through August fell 4.2%, mostly due to a steep decline in Class 8 over-the-road trucks, IHS Automotive has reported.

October 27, 2016

Mahle Develops Lead-Free Diesel Engine Bearings

Mahle Engine Components has developed a lead-free bearing system for heavy-duty truck engines, engineered with polymeric coatings for better wear resistance to help engine manufacturers deal with new low-viscosity engine oils.

October 2, 2016

Paccar Adds Drive Axle, Updates Engines

LAS VEGAS — In a step toward more integrated drivetrains in Kenworth and Peterbilt trucks, Paccar announced a new 40,000-pound tandem axle that saves weight and improves fuel economy.

September 30, 2016

GM Redesigns Duramax 6.6L for 2017 Silverado, Sierra

GM has announced that a newly redesigned Duramax 6.6L V-8 turbo-diesel will be offered on the 2017 Silverado HD and Sierra HD. The engine features a new air intake system and an enhanced oiling circuit.

September 29, 2016

Quick Spin: Cummins Brings X12 to North America

A little while back, Equipment Editor Jim Park tested out Cummins' latest diesel engine, the X12. Are smaller displacements the engine trend of the future? Cummins seems to think so and is hedging its bets on the question.

August 30, 2016

Focus On... Cummins New X12 Engine [Video]

Cummins' new  lightweight X12 is an all-new 12L diesel engine designed for vocational and regional haul markets. Equipment Editor Jim Park gets up close with the X12 to see how the new engine performs on the road.

August 24, 2016

Ford Recalls Transits for Fuel Injection Pumps

The recall covers more than 2,000 2015-2016 model-year vans equipped with 3.2-liter diesel engines.

August 18, 2016

Volvo Offers Low-Viscosity Oil Fill for New Engines

Volvo Trucks North America will offer a new factory fill engine oil for the Volvo D11, D13 and D16 engines, with Volvo's new oil spec allowing for longer oil drain intervals.

August 12, 2016

Focus On... Cummins' One-of-A-Kind Diesel Indy Car

When Cummins entered its #28 Special race car in the 1952 Indianapolis 500, it wasn't looking to get into the racing business. It was trying to prove a point about diesel engines, and boy, did they succeed. Equipment Editor Jim Park met got a close look at the car at the launch event of Cummins 2017 engine lineup in July. 

August 10, 2016

When Cummins Went to Indy

Cummins Engine Co. founder Clessie Cummins knew a thing or two about making engines. As it turns out he had a twisted genius for marketing too.

July 31, 2016

The Detroit DD5 Engine in Photos

Daimler Trucks North America will start production on its entry into the medium-duty market in October. The DD5 was unveiled to trucking press in late July. Editor in Chief Deborah Lockridge was there and has these photos.

July 31, 2016

On the Spot: Detroit DD5 Midrange Engine [Video]

Daimler Trucks North America showed off its new engine for the medium-duty market, the peppy four-cylinder Detroit DD5, to trucking reporters. Editor in Chief Deborah Lockridge has a closer look at the DD5 in this video.

 

July 28, 2016

Daimler Enters Medium-Duty Engine Market with DD5

Daimler Trucks North America's new Detroit DD5 engine will begin production in October. The four-cylinder engine offers several benefits over competitive medium-duty engines, including maintenance intervals, fuel economy and durability.

July 24, 2016

Cummins: New X15 Engine Offers High Performance, Economy, Reliability

Cummins officials say their next-generation X15 heavy-duty diesel series will offer new value through economy, performance, reliability and support when it replaces existing ISX15 models in January 2017. A year later, a new X12 will supersede the current ISX12.

July 22, 2016

Gates Offers 6 Heavy-Duty Water Pumps

Gates is introducing 6 new heavy-duty water pumps for diesel engines in Mack, Volvo, International, Navistar, Isuzu and Caterpillar vehicles.

June 28, 2016

Caterpillar Reaches Settlement in EPA Emissions Lawsuit

Caterpillar has reached a settlement in a class action lawsuit over allegedly defective ACERT EPA 2007-compliant engines, with owners of these engines eligible to receive $500 to $10,000 per engine.

June 9, 2016

Volvo Talks About Piston Technology in Latest Engines

The Volvo Group’s new truck engines in the U.S. are more fuel efficient thanks in part to a new piston design, which has "waves" on the piston crown that improve oxygen utilization.

June 3, 2016

2017 Diesel Silverado HD Improves Air Intake

The diesel-powered Chevrolet Silverado HD will add an improved air intake system for the 2017 model year that pushes cool, dry air through a hood scoop.

May 23, 2016

KW’s Plans for Its New Paccar MX-11 Diesel [Video]

Paccar’s 10.8-liter MX-11 diesel became available in January in Peterbilt and Kenworth heavy trucks. It claims strong power and torque, and is a lightweight alternative to the larger MX-13 and Cummins ISX12. Kurt Swihart, Kenworth’s marketing director, discusses the MX-11 and its applications.

May 19, 2016

Diesel Truck Residual Values Rise With Mileage

Diesel-powered pickup trucks sell for more than 30% of their gasoline counterparts after three years of fleet usage and return greater value with higher odometer readings, according to data from ADESA.

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