HUSQVARNA 545 Mark II Chain Saw - 50.1 CC - 3.6 HP*The second generation of Husqvarnas 545 chainsaw is a 50cc unit thats ready for your felling, limbing and bucking of small and midsize trees. Designed for professional forestry and tree care crews, this durable saw has improved power and a slimmed down design. A host of innovative features guarantee comfortable and efficient operation, season after season. Engine Chain speed at max power 62. 7 fts Cylinder displacement 50. 1 cm Output shaft power1 3.