New Propane-Powered Trowel

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Contractors looking for environmentally friendly, affordable equipment that operates indoors and out, turning to new equipment using the reliable alternative energy with propane. Allen Engineering’s riding concrete trowel HDX615 is powered by Power Solutions International (PSI)’s 2.4-liter dual-fuel gasoline and propane engine. The concrete trowel is on display during World of Concrete.

Backed by data and support from the Propane Education & Research Council (PERC), the dual-powered engine offers a path to a clean energy solution without compromising on performance or range.

“This is an exciting development for contractors,” said Joe Calhoun, the director of off-road business development at PERC. “Contractors have been enjoying the benefits of propane-powered concrete trowels for years. This new Allen Engineering unit is the largest of its class and, being dual fuel, enables operation indoors and outdoors to meet the immediate needs of the job.”

The PSI 2.4-liter engine provides up to 67.1 hp and 125.2 ft.-lbs. of torque.

Founded in 1964, Arkansas-based Allen Engineering is a designer, manufacturer, distributor, and marketer of the Allen line of concrete and related equipment available across the United States and around the world. The Allen product line represents a complete system for concrete site prep, placing, finishing, and paving.

For more information on propane-powered equipment for contractors, visit