You can haul this 4,400-lb. trenching attachment to a jobsite in a pick-up truck. Once there, the Model AZ-212B attaches to any brand backhoe loader to pulverize, reclaim, and reuse asphalt and/or unreinforced concrete for pothole patching, backfill, and other full-depth reclamation applications. (Click here to read a quick explanation of how the attachment works.) In addition to minimizing potential worker compensation claims related to jack hammering and saw cutting, the company claims the Construction Innovation Forum NOVA award-winning tool cuts excavation costs 80%. That may be why larger versions are popular with water and wastewater utilities as well as road departments. Engine: 99 hp John Deere turbo diesel. Cutting depth: 12 in. Width: 24 in. (customizable down to 6 in.).