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 inaugural National Concrete Expo will soon travel the country ... will take home a brand new Whiteman Multiquip HHNG5 Ride-On Power Trowel. Festivities will culminate with a live performance ...

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 ...