Boomer S1 L is a low-profile hydraulic face drilling rig suitable for small drifts and tunnels with cross sections up to 29 m2. The BUT 28 boom allows for fast, precise positioning with hydraulic parallel holding in all directions. The COP 1638HD+ or COP 1838HD+ rock drills excel in a variety of rock conditions. A dual-damping system maximizes consumable life. The diesel engine provides powerful performance with low-emissions. For high performance drilling in small drifts, you can rely on the low profile Boomer S1 L.