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The Vermeer microtrenching system consists of four main components — the cutter wheel, utility tractor, vacuum and grout mixer — creating a “train” to complete microtrenching in one pass. Microtrenching is an installation method in which a narrow (.75 to 2.25-inch [19.1 – 57.2 mm]) and relatively shallow trench (8 to 16 inches [20.3 to 40.6 cm]) is cut, typically on one side of a roadway. Then a vacuum system connected to the cutter wheel attachment diverts and transports the dry and dusty spoil away from the worksite. Once the conduit pipe is laid, the trench is backfilled with a grout compound. The MTR12 and MTR16 microtrenching attachments offer maximum cutting depths of 12 inches (30.5 cm) and 16 inches (40.6 cm) respectively, and depth control is mechanically adjusted in 1-inch (2.5 cm) increments. The attachments are designed to work with the Vermeer RTX550 utility tractor.