Mack updates MP 8HE engine

The newest 13-liter Mack MP 8HE engine will offer 3% better fuel economy than the current model. A Mack Anthem spec’d with extended chassis fairings and a Mack HE+…

Trucking journalists present Cummins X12 with tech award

Krista Toenjes, Cummins’ North American manager of on-highway sales and marketing, accepts this year’s Technical Achievement Award from Jim Park, chairman of the truck writers committee that determines the annual…

Big Power: The largest truck engines are sometimes a necessity

TORONTO, Ont. -- Truck drivers always appreciate big truck engines. But is the bigger power and torque a necessity? Sometimes the answer is yes.

New ratings for MX-13 engines

Peterbilt will offer two new ratings of Paccar’s MX-13 engines in the 2019 model year. A multi-torque 455-hp with a torque rating of 1,650 – 1,850 lb.-ft. is…

Kenworth offers near-zero NOx engine

Kenworth continues to expand the offerings that will run on natural gas, with T680, T880 and T880S trucks now available with Cummins Westport ISX12N near-zero-NOx emissions natural gas engines.

Kenworth makes natural decision

Kenworth T680, T880 and T880S trucks are now available with Cummins Westport L9N natural gas engines. The engines can generate “near zero” levels of NOx, emitting just 0.02…

Autocar to get first Cummins X12 engines

JAMESTOWN, N.Y. -- Autocar Trucks will be the first North American truck manufacturer to offer the new Cummins X12 engine. The 11.8-liter X12 diesel engine will be offered in ACX refuse trucks beginning in October, when Cummins starts full production of the X12 at its Jamestown, N.Y. facility. Autocar will begin accepting orders for X12-powered trucks in June. According to Autocar, the X12 will net customers an additional 733 pounds of payload compared to the previous engine, the ISX12. The weight saving is achieved through an innovative sculpted block design, as well as weight reduction in the after-treatment system, power take-off, and other components. The X12 also offers improved low-speed torque, even with similar horsepower ratings. At 2,050 pounds dry weight, the X12 is the lightest engine in the market compared to existing 11-, 13-, and 15-liter engines.

Detroit’s DD8 is ready to go

PALM BEACH, Fla. — The new Detroit DD8 engine, first hinted about in 2015 and formally introduced a year ago, has been in production since late last year. Yesterday,…

Little engines that can: Big power from small displacements

TORONTO, ON -- Canada has always been big-bore territory: big trucks, big loads, big hills, big engines. Right? If you're one of those with feet firmly planted in the big bore camp, it might be time to re-think that position. Some of today's smaller engines are surprisingly capable. They are lighter and more fuel-efficient, and deliver performance that's nearly equal to their larger brothers.

Cummins’ New Little Brother: X12

With ratings up to 475 horsepower and 1,700 lb-ft of torque, the X12 will be running with the big boys. The X12 is also nearly 1,000 lb lighter than the X15, so weight sensitive fleets will be looking very closely at this engine.

Paccar Launches MX-11 Engine

BELLEVUE, Wash. -- There's a new engine in Paccar's MX lineup, but with several years of experience in Europe, the MX-11 is the engine Kenworth and Peterbilt customers have been waiting for.

Cummins X15 Pt 3: Performance Series

When Cummins first began hinting about changes to its 2017 engine line up, the company said it would deliver engines to suit every segment of the market, from the…

Cummins X15 Pt 2: Efficiency Series

Nearly 20 years after Cummins launched ISX, the 2017 version of the engine brings new technology and engineering advancements to market that deliver better performance, better efficiency and lower cost of ownership.

Cummins X15 Pt 1: An Overview

COLUMBUS, IN -- As engine platforms go, Cummins' ISX has to be considered slightly remarkable. It was introduced in 1998, although the program that brought the engine to life began in 1994. It survived the transition to EGR (Exhaust Gas Recirculation) and then to SCR (Selective Catalytic Reduction) aftertreatment. Several other engines did not. And it's still very much alive and kicking today. We spent a day test driving a couple of production-intent versions of the 2017 X15 (as it's now known), and a current ISX15 for comparison.

Paccar Launches MX-11 Engine

BELLEVUE, Wash. -- There's a new engine in Paccar's MX lineup, but with several years of experience in Europe, the MX-11 is the engine Kenworth and Peterbilt customers have been waiting for.