Additional Product Information, Kw 2.1, fuel tank ^cm3 400, oil tank ^cm3 245. The ECV4501 18" is designed for full time professional forestry workers and for general applications. It has one of the best kg/kw ratio among similar saws in the market today. Dust rejection - air-filtration system generating turbo force. Built-in decompressor; easy start 70% less force required. Saw chain 95VP-64E/72E. Vibration and Sound Pressure Level (EU model) Column 1 Model number, column 2 Vibration Level (m/2) last column Sound Pressure Level/db (A) Testing and average are made according to CE Regulations