Echo PB-650T Backpack Blower - 63.3 cc 2-stroke, single-cylinder engine (48 mm bore x 35 mm stroke) with air-cooled head, Walbro diaphragm carburetor and primer bulb. Dimensions 375 mm x 470 mm x 527 mm; dry weight 10.8 kg. Noise level 71 dB (Category III). Includes static-protection kit and tube-mount throttle kit for versatile use.