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 ...

The trowel goes beyond the limitations of gas and power-cord units, giving concrete contractors the power to pan and finish with unmatched control and no gas headaches. Updated on Aug. 22 ...

An curved arrow pointing right. This hovercraft-like machine is used to smooth over concrete during construction. The HDX780 riding trowel was developed by Allen Engineering and is used for large ...

make sure that the concrete form is completely and evenly filled. It may be necessary to move some of the wet mix from high spots, using a trowel or flat shovel, to fill voids. If the form appears ...

VEMAC, an El Paso-based engineering management and construction company, was presented the 2024 Golden Trowel award by Face ...