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Medium-duty engines, transmissions shift focus to software

New engines and transmissions for medium-duty truck applications are evolving rapidly in response to ongoing demands for improved fuel consumption. Software is playing a major role in these advances while also helping improve diagnostic capabilities.

Volvo Buses launches B8R chassis globally

Volvo Buses has started the global launch of its latest chassis powered by the 8-L Volvo engine. The Volvo B8R and B8RLE replace the top-selling Volvo B7R and B7RLE, which saw a production run exceeding 40,000 units and sales in 65 countries.

Engine Ion Sensor

Detroit Engineered Products (DEP) Inc. offers a commercial prototype of an Engine Ion Sensor that increases fuel economy, lowers hazardous emissions, and can enable multiple fuel types for use.

Next-gen automated transmissions coming from new Eaton, Cummins JV

Eaton and Cummins announced a new joint venture, Eaton Cummins Automated Transmission Technologies, to design, develop, manufacture and service next-generation automated manual transmissions for heavy- and medium-duty commercial vehicles. The JV also includes current Eaton AMTs.

Work trucks strive to curtail addiction to fuel

Reducing fuel consumption was a focal point of several trucks unveiled in March. Electric drivetrains and four-cylinder engines were among the tactics unveiled at the Work Truck Show in Indianapolis.

Custom coupler

The Specialty Manufacturing Co.’s Safeway Hydraulics engineers were engaged to examine the company’s single zerk hydraulic system design for its overall function and manufacturability.

Model maturity assessment and certification—a vision

Performance, reliability, and safety assessments performed using predictive capability for electromechanical systems are on the rise, yet no standard exists in the truck and off-highway engineering design industry for representing the degree to which a model has been validated. Such a standard can enable engineers and managers with a tool to assess the maturity of predictive capability itself.

SwRI-led AC2AT consortium pushes diesel emission control systems development

Stringent fuel-efficiency and criteria-pollutant standards call for new combustion strategies. The Advanced Combustion Catalyst and Aftertreatment Technologies consortium led by Southwest Research Institute reinvents existing technologies and experiments with new catalysts to meet standards.

High-temperature conduit and fittings

Harnessflex TempGuard conduit and fittings from ABB Electrification Products are designed specifically to protect and route high-temperature cables, providing an integrated system for engine wiring in temperatures up to 392°F (200°C).

Sleek design, powertrain advances distinguish Volvo’s new VNL trucks

The new Volvo VNL series is the beneficiary of the truck maker's SuperTruck program, applying lessons learned and advanced technology to achieve an up to 7.5% improvement in fuel efficiency. Driver comfort and productivity, active and passive safety systems and enhanced vehicle uptime through over-the-air updates were other high priorities for engineers and designers of the next-generation long-haul tractor.

Kubota goes 'big' with first-ever 200-hp diesel engine

Known for its compact diesel engines below 100 hp (75 kW), Kubota unveils its first diesel engine above that threshold, the 5-L V5009 with an output of 210 hp (157 kW). The new 4-cylinder engine will be Tier 4 Final and EU Stage V ready when mass production begins in 2020.