Makita EB7650WH 75.6 cc MM4 4-Stroke Engine Hip Throttle Backpack Blower Powerful fuel efficient 75.6 cc (3.8 HP) MM4 commercial duty engine Mechanical automatic engine decompression for quick and easy starts Hip throttle with cruise control and convenient on/off switch Shoulder straps engineered with multiple adjustments for improved fit Large capacity muffler ensures quieter operation (76 dBA)