Volvo's Ashraf Makki shows off the OEM’s new one-box exhaust aftertreatment system (EATS) during a product reveal back in March. The system also features a new copper-zeolite coating that improves low temperature oxide of nitrogen (NOx) conversion for improved emissions control. (Photo by Sean Kilcarr/Fleet Owner)

Volvo highlights one-box aftertreatment package

May 6, 2016
Introduced back in March, it’s designed to free up chassis frame-rail space.

Volvo Trucks North America (VTNA) is touting the new “one-box” packaging its exhaust aftertreatment system (EATS) as a frame-rail space saver, especially in highway applications.

Standard with Volvo trucks equipped with its D11 and Volvo D13 engines, the OEM said its one-box EATS package – introduced during an event held at the company’s Hagerstown, MD, assembly plant back in March – frees up frame-rail space for additional fuel storage, the mounting of auxiliary power units (APUs), and any other frame-mounted accessories.

That extra frame-rail space also help the fifth wheel be positioned closer to the cab, VTNA added, reducing the gap between tractor and trailer gap to improve aerodynamic performance and thus increase fuel efficiency.

In vocational applications, VTNA noted its new one-box system provides the Volvo VHD better back-of-cab clearance and up to 12 inches of frame rail space to provide body builders greater flexibility for equipment installation.

VTNA added that its one-box EATS encases the diesel particulate filter (DPF), selective catalytic reduction (SCR) system and diesel exhaust fluid (DEF) injector into one package. With the new design, the DPF is easier to access and lighter compared with the two-box version, the OEM pointed out, allowing for quicker serviceability.

The one-box EATS is available for highway models equipped with the OEM’s proprietary D11 and D13 engines, including VNM and VNL daycab and sleeper models, along with vocational models such as the VHD and VAH models.

But customers choosing Volvo D16 power in the VNX model will still have a two-box EATS package, VTNA said.

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