Cummins unveils new B6.7™ Autogas engine for U.S. medium-duty fleets

Cummins has unveiled its B6.7 LPG engine for medium-duty fleet owners, which will be built on Cummins recently announced fuel-agnostic B-series platform and powered with Autogas. Backed by data and support from the U.S. Propane Education & Research Council (PERC), the new engine offers fleets a path to decarbonisation without compromising on performance or range.

“There is no single path to zero emissions that will work for all application types across all markets and duty cycles. Autogas can do its part today in the collective effort toward decarbonisation,” said Tucker Perkins, president and CEO of PERC. “Using Autogas today is an immediate solution toward reducing harmful emissions.”

The new LPG engine will provide fleet owners with diesel-like performance and durability, uptime and low total cost of ownership, with power expected ratings between 280–360 hp and 600–860 lb-ft of torque. It is suited for several applications, including medium-duty truck, vocational, school bus, and terminal tractor markets, making it a low-emissions solution designed to meet or exceed Environmental Protection Agency (EPA) and California Air Resources Board (CARB) regulations in 2024 and beyond.

“We’ve had a strong and collaborative relationship with PERC throughout the development, testing and evaluation phases of this engine. We’re thrilled to continue that partnership and formally announce plans to bring the B6.7 Propane to market,” commented Sam Geckler, technical project leader, Cummins. “We’re confident this engine will deliver the power, performance and efficiency that users expect from Cummins. We also expect it to deliver the lowest CO2 emissions of any Autogas-powered engine, making it an attractive and cost-effective way for fleets to lower total transportation emissions.”

In addition to offering performance and emissions benefits, fleets that use LPG benefit from a reduced total cost-of-ownership thanks to low costs for fuel, maintenance, and refueling infrastructure. Autogas infrastructure is affordable, scalable, and ready today. For more information, please check here.

Photo: Cummins

16 March 2022