United Rentals offers walk-behind trenchers for your light trenching applications. Great for phone, cable TV, and electrical work, as well as plumbing and irrigation. Most trench digger units are powered by a reliable hydrostatic drive for easy operation and low maintenance. Safety handles stop the digging chain and ground the drive if it is released. Controls are color-coded for instant recognition. It's gasoline-powered and reaches digging depths up to 24".