Heavy Duty Trucking

SEP 2014

The Fleet Business Authority

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engines are a little higher. A Cummins Westport 5.9-liter ISB that burned propane was dropped in 2009 for lack of sales, but Taylor says that can change. "Our growth is Class 1 through Class 7," he says. "We haven't pursued the over-the-road market. But we are experimenting with dual-fuel, and with dedicated diesel-block-type engines. Now there is the (gasoline- block) 8.8-liter Power Systems International engine that gives you benefits of diesel. There's also the 8-liter Powertrain Integration Pithon engine that Freightliner Custom Chassis is using in the S2G." Taylor says PERC is funding two R&D projects, though he declined to name the companies involved. "We are developing engines that will fit in the heavy-duty market, for delivery and regional carriers." n Circle 204 on Reader Action Card www.truckinginfo.com SEPTEMBER 2014 • HDT 93 Earlier this year, Freightliner Custom Chassis delivered this field-test unit to AmeriGas, a propane-autogas S2G work producing 339 horsepower at 4,100 rpm and 495 pounds-feet of torque at 3,100 rpm.

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