Echo CS-3410-14 Chain Saw Rear Handle 14" Bar 34.4cc EngineEcho CS 3410 14 Chain Saw Rear Handle 14" Bar 34. 4cc Engine The Echo CS 3410 features a 34. 4 cc professional grade, 2 stroke engine for lower emissions. It's the perfect, lightweight saw for homeowner. Ideal for limbing and cutting firewood. Features: 34. 4 cc professional grade, 2 stroke engine For outstanding performance and durability Lightest chainsaw in its class High power to weight ratio reduces fatigue and increase productivity i 30 starting