Business, Technology, Equipment, Fuel

Tests Show Cylinder Deactivation Improves Next-Gen Engines, Jacobs Says

Jacobs Vehicle Systems Jacobs Vehicle Systems

Jacobs Vehicle Systems’ cylinder deactivation technology delivered a “host of performance-enhancing benefits” in a recent independent validation, the company announced, including raising exhaust temperature and improving fuel consumption.

June 30, 2020
Business, Technology, Equipment, Fuel

Cummins Top Overall Supplier of Class 8 Engines in 2019

Cummins A lineup of Cummins engines. (Cummins Inc.)

Independent engine maker Cummins Inc. supplied the most Class 8 diesel engines in 2019.

Roger Gilroy | Senior Reporter
February 12, 2020
Business, Technology, Fuel

GE’s Latest Offspring Sees Green Boost for Gas Engine Sales

GE Engine Luke Sharrett/Bloomberg News

The latest company born out of General Electric Co. expects sales of its industrial engines fired by natural gas to benefit from the spread of renewables such as solar and wind.

Jonathan Tirone | Bloomberg News
November 6, 2018
Business, Technology, Equipment

OEMs Mixed on Turbo Compounding

Volvo D13 engine with turbo compounding TruckTube via YouTube

Volvo Trucks North America says its D13TC engine’s turbo compounding unit will add 50 horsepower through waste heat recovery and will improve fuel efficiency by 7.5%. The com­pany believes the technology could reach the same level of market acceptance as its automated transmissions. But not every manufacturer believes turbo compounding is the best way to improve fuel efficiency.

July 20, 2018
Business, Equipment

Navistar to Cease Engine Production at Melrose Park Plant

Navistar David Wilson/Flickr

Manufacturer Navistar International Corp. is phasing out the production of engines at its Melrose Park, Ill., plant and will turn the facility into a technical center for truck and engine testing.

Jonathan S. Reiskin | Associate News Editor
August 3, 2017
Business, Equipment

Cummins Earnings, Revenue Gain in 2Q as Key Markets Improve

Engine at Cummins factory Luke Sharrett/Bloomberg News

Independent engine maker Cummins Inc. notched gains in second-quarter net income and revenue, pointing to higher demand for trucks and construction equipment in North America and China as well as stronger sales to mining and oil and gas customers, according to the company.

Roger Gilroy | Senior Reporter
August 1, 2017
Technology, Equipment, Fuel

Engine Maker Cummins Endorses Fuel Additives Amid Tighter Emissions Regulations

Steve Muth Steve Muth, Penray's chief chemist, mixes diesel fuel additive at the company's Wheeling, Ill., laboratory. (Penray)

Cummins Inc. recently endorsed two fuel additives, marking the first time the diesel engine maker has taken such a step.

Steve Brawner | Contributing Writer
July 24, 2017
Government, Technology, Equipment, Safety

CARB Aims to Require Truck, Engine Makers to Extend Emissions Warranties

engines emissions California Air Resources Board

California environmental officials are working on a plan to require truck and engine manufacturers to extend emissions system warranties up to more than four times longer than current regulations require.

Eric Miller | Senior Reporter
July 11, 2017
Business, Equipment

Engine Downspeeding Dictates Drive-Axle Design

Justin Ide/Bloomberg News

To slow the speed of the engine at cruise — called downspeeding, in which every 100 rpm slowed equates to 1% fuel savings — axle ratios are getting numerically lower. To wring the most miles from a gallon of fuel, some fleets are increasingly spec’ing direct-drive instead of overdrive transmissions, which is driving the trend to lower numerical final drive ratios.

Steve Sturgess | Contributing Writer
October 24, 2016
Equipment, Business, Fuel

New Engine Oils Coming in December

Two new types of engine oils are coming to market Dec. 1. The heavy-duty oil specification that has been used for nearly a decade will be replaced by CK-4 and FA-4, and this crucial development is one of the cover stories in this issue of Equipment & Maintenance Update.

Fran Matso Lysiak | Features Editor
June 17, 2016