This is our projects in Venezuela, Latin America. Crack router is capable of grooving slots at 1-5cm by width,0-3cm by depth along cracks in concrete or asphalt pavement easily,accurately and quickly. Equipped by imported gasoline motor,hydraulic ejector bin, air cooling, spiral oil filter, electronic ignition and spark advanced equipment.The air door and controller for rotate speed of engine can satisfy the fast start under different temperature surroundings. And the emergency switch for motor. Doan can provide you with complete solution for construction.