August 29, 2018

WUI Apparatus Becoming Staple in Fleets Where Urban Interface Meets Wildland Terrain

Wildland Urban Interface (WUI) apparatus typically are a mix of wildland and Type 1 engines, usually with a short overall length, good angles of approach and departure, and a chassis that can handle both highways and rough terrain. These vehicles are becoming a staple of fire department fleets where the urban interface meets wildland terrain and are being build in a number of configurations.

David Rosen, president of Acela Truck Company, says Acela builds the Monterra 4x4 and 6x6 models of wildland engines on chassis originally developed for the U.S. Army. “The pumpers have 46-inch tires, 22 inches of ground clearance, a 54-foot turning radius, and central tire inflation systems and are powered by 330-horsepower turbo-charged Caterpillar 7.2-liter diesel engines,” Rosen says. “They have a good over-the-road configuration and extreme off-road capability.”



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