Power and Propulsion

Diesel /​ compression ignition engines

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Power

Cummins’ X15 Is a Model of Design Efficiency

As AI and other deep-learning tools begin to help shape the transportation industry, they also bring improvements to existing technology. Modeling and simulation software has rapidly become a...

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News
Mechanical & Fluid Systems

Schaeffler Optimizes Rolling Bearings for Hydraulic and Axle Drives

Rolling bearings with optimized friction and performance characteristics can have a significant influence on reducing the power loss, design envelope and weight of...

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Mechanical & Fluid Systems

Komatsu Logs a New Timber Machine

Komatsu has announced a new swing machine designed to move large quantities of timber in log loader and millyard environments. The TimberPro TN785D is Komatsu’s most powerful and highest capacity machine...

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Power

Cummins Powers up the S17 Genset

Cummins has expanded its Centum diesel generator series that elevates sustained performance while maximizing power density. The latest addition to the company’s portfolio is a 17-liter engine platform...

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Power

Solving Problems and Seeking Big Ideas for Commercial Vehicles

Advancing technology to solve challenges involving regulation, compliance, autonomy, electrification, combustion engines and other areas is an obvious focus of SAE...

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Energy

Challenges and Opportunities of Electrifying Off-Highway Machines

The off-highway machine industry is embracing new technologies to optimize operations, specifically regarding electric and hybrid off-highway equipment. The electric...

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News
Power

Next Reman Up: The Role of Engine Remanufacturing

Sustainability has been among the hottest topics for the commercial vehicle industry over the past decade. OEMs, suppliers and various governmental agencies across the globe are touting new...

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Technical Innovation
Manned Systems

Clarios Brings AI to Idle Management for Heavy Trucks

The predominant low-voltage battery maker Clarios today announced that IdleLess, a sensor-and-AI-driven system for heavy-duty trucks that it says can save up to $3,300 per year per...

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Articles
Energy

Developing Next-Gen Diesels to Last Decades

Approaching the John Deere Power Systems (JDPS) exhibit at the Bauma 2025 tradeshow in Munich, Germany, a lineup of next-generation internal combustion engines served as sentinels of sorts,...

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News
Manned Systems

Transmission Talk: Eaton Discusses Its Portfolio of Commercial Gearboxes

Last summer, SAE Media was invited to Eaton’s proving grounds in Marshall, Michigan, to test drive an electric truck the company had built in collaboration with BAE...

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Technical Innovation
Energy

Maintaining Protection for Next-Gen HD Engine Lubricants

The American Petroleum Institute’s (API) Proposed Category 12 (PC-12) is currently under development. A target first license date has been set for January 2027, and industry...

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Articles
Power

Designs on a Diverse Powertrain Future

Many manufacturers in the construction and mining vehicle sectors have tabbed the Bauma trade show in April as the venue for major product debuts. Perkins is one of those, though it provided select...

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News
Transportation

Cummins Unveils New B7.2 Diesel Engine

Cummins has unveiled the latest iteration of its renowned B series engine at its press conference during NTEA’s Work Truck Week 2025 in Indianapolis. The new B7.2 diesel is the latest engine to be...

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Articles
Connectivity

JLG Reveals New Electric Telehandler

JLG Industries has unveiled its first electric telehandler, the E313, designed for all-terrain and off-road use. The battery-powered E313 offers zero-emission and low-noise operation for moving...

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Energy

Hybrid Powertrains in the Product Mix

Perfect is the enemy of good. That aphorism embodies some of the frustrations voiced by trucking-industry companies and associations when it comes to satisfying lower greenhouse gas (GHG) and NOx...

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Regulations/Standards

Study: Excessive Real-World NOx Emissions from HD Diesel Pickups

An eight-year study of in-use emissions from heavy-duty diesel pickups in Colorado and Virginia showed those vehicles to be emitting oxides of nitrogen (NOx) far in excess of...

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Technical Innovation
Electronics & Computers

CES 2025: Cat Debuts Hybrid-Electric Retrofit on 972 Wheel Loader

A 55,000-lb (24,948-kg) front end loader with substantial field usage time underwent a 12-week hybrid-electric conversion in advance of its CES 2025 debut. “This...

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Articles
Energy

Improving the Ageless ICE

Agriculture, industrial, mining, construction, freight transport and other major global economy sectors rely on vehicle power to thrive. “Internal combustion engines – those powered by gasoline, diesel,...

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News
Propulsion

SwRI Rolls out Hydrogen Demonstration Truck

For decades, the running joke around hydrogen being a viable fuel for commercial trucks has been that its “ten years away from being ten years away.” Though H2-fueled rigs operating at scale...

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Original Equipment
Manned Systems

Liebherr Reveals Towering Battery-Electric Haul Truck

Liebherr and Fortescue unveiled their first autonomous battery-electric T 264 haul truck at MINExpo 2024, garnering a steady stream of attendees eyeing and climbing on the giant...

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News
Propulsion

Off-Highway Hybrids Are Entering Prime Time

Vocational off-highway vehicles are piling on the miles with power provided by an internal combustion engine (ICE) with additional hybrid technology. “We often get asked the question,...

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Energy

Shell Details Upcoming Engine-Oil Developments

Shell Rotella hosted journalists at the National Tractor Pulling Championships in Bowling Green, Ohio, in August, where the company was sponsoring tractors run by Koester Racing in the...

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Power

HD Hyundai Rolls out a Slew of New Machines

HD Hyundai recently announced several new additions to its portfolio of off-highway machines. The expansion includes the HD100 dozer, the HX355A excavator, and a quartet of new models for its...

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Energy

Case Launches ‘Industry First’ Electric Backhoe Loader

Case Construction Equipment launched its first electric vehicle (EV) products last year – the CX15EV mini excavator and the SL22EV small articulated loader – and the company...

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Articles
Propulsion

Cummins New X15 Engine Meets Upcoming Regs While Boosting Efficiency

Cummins provided extensive details of the design and engineering involved in developing the new HELM version of its X15 diesel engine. The company says its new engine...

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News
Power

ASV Rolls out a Pair of New Loaders

ASV has introduced a pair of track loaders, the VT-75 and RT-65. Both models feature a Yanmar Tier 4 Final rated diesel engine. The VT-75 is equipped with a 74.3-horsepower (55.4 kW) engine, while the...

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News
Test & Measurement

Cummins Cylinder Deactivation Saves on Fuel and Emissions

Cylinder deactivation has become increasingly common across various types of commercial on-road ICE powertrains to meet the upcoming North American (EPA 27) and Europe (Euro 7)...

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News
Green Design & Manufacturing

Detailing Kenworth’s Sleek SuperTruck 2

The Kenworth booth at the 2024 Advanced Clean Transportation (ACT) Expo in Las Vegas garnered much interest thanks to the reveal of its futuristic-looking SuperTruck 2. Developed over a six-year...

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News
Power

Hybrids Are Having a Moment

Manufacturers at the forefront of sustainability efforts and intent on electrifying commercial trucks and off-highway machines still see the necessity to include internal combustion engines in their future...

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