Lightweight construction with oversized power. The top-handle CS-2511T is in a class of its own, ideal for arborists who need sky-high performance in sky-high places. The X Series ECHO chainsaw CS-2511T 12 in. is the lightest gas powered chainsaw in North America. The 25.0 cc professional-grade engine delivers incredible horse power from a compact, easily maneuverable body. Other user-friendly chainsaw features include a fine mesh screen to reduce debris ingestion and an adjustable oiler to match cutting conditions.