The PowerCutter for sewer mains from Pipeline Renewal Technologies handles 6- to 10-inch (PC150) or 8- to 28-inch lines (PC200). It self-positions via a high-torque four-wheel-drive chassis, and travels up to 328 feet. It performs horizontal cutting with a powerful air motor offering up to 1.9 hp. The unit articulates on four axes (up/down, rotation, tool pivot, cutter forward/back), and displays live footage from an illuminated, vibration-isolated self-cleaning camera. It offers CANbus-based controls with twin multifunction joysticks for easy position recall. Interchangeable bits address a wide range of pipe materials and cutting tasks. 866/936-8476; www.pipelinert.com.