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.

RCI Technologies is now offering fuel purification and filtration equipment designed to meet the fuel-quality standards set for Tier 4 engines using ULSD fuel.

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.

International Truck will be the first OEM to offer over-the-air truck programming for Cummins engines, allowing fleets to update engine control modules with a secure Wi-Fi connection.

The 2017 F-150 will arrive with a more powerful twin-turbo V-6 and 10-speed transmission to deliver improved acceleration and performance than the prior model, Ford has announced.

We get behind the wheel of the newest fuel-efficient version of the Cummins ISX and find there’s much to look forward to.

Purkeys has partnered with Maxwell Technologies to produce a portable jump starter called CAPS that's designed for heavy- and light-duty applications.

Continental is offering SAE-certified silicone hose elbows designed to handle extremely hot and cold temperatures in newer heavy-duty engines.

The Securities and Exchange Commission on Thursday charged Navistar International Corp. with misleading investors about its development of an advanced technology truck engine that could be certified to meet U.S. emission standards.

Over-the-air reprogramming of engine control modules is now available on all International Truck models powered by N9, N10 and N13 engines, the company announced.

Cummins has received EPA certification for its lineup of on-highway diesel and natural gas engines meeting current and 2017 greenhouse gas and fuel efficiency standards.

Achates, Delphi and Argonne National Laboratory will develop an opposed-piston, gasoline compression ignition (OPGCI) engine suitable for light trucks and other vehicles.

Nissan's new engine features four valves per cylinder, variable valve timing and direct fuel injection, and is rated at 390 hp at 5,800 rpm and 401 lb.-ft. of torque at 4,000 rpm.

Daimler Trucks Friday announced a $375 million investment to enable production of the new DD5 and DD8 medium-duty engines at Detroit’s Redford, Mich., plant, and officially launched production of the Detroit DT12 automated manual transmission.

Over the years, manufacturers have designed vehicles and components to reduce weight, and fleets have tried many of them. From their wisdom, we offer a dozen lightweighting ideas for Class 8 trucks and tractors.

Fleets and independent repair garages will soon have access to service information for model year 2010 and later trucks and buses over 10,000 pounds sold in the United States and Canada.

Detroit Connect has introduced new features for its Virtual Technician remote diagnostic system, including a new portal that lets users dig deeper into the data, and for some 2017 models the ability to "flash" software updates and parameter changes to the truck over the air.

There's a new engine in Paccar's MX lineup. New to North America, but with several years of experience under the big DAF cabs in Europe, the 11-liter MX-11 is well suited for many Kenworth and Peterbilt vocational and P&D customers.

With almost identical engine ratings, does bigger displacement really make a difference?

Global OEM engine cooling manufacturer TitanX announced plans to enter the North American market under the name TitanXend.