NEW STIHL MS 661 Gasoline Chainsaw

Technical details
Displacement 5.6 in³
Displacement 5.6 cu-in
Power 7.236 BHP
Power 7.2 BHP
CO2 1.8 lbs/kWh
Device weight without refuelling 16.4 lb 1)
System weight without refuelling 19.4 / 19.8 / 20.2 / 21.1 / 20.4 / 21.5 / 21.4 / 22.4 / 23.0 / 20.1 lb 2)
Power-to-weight ratio 2.3 lb/hp
Bar length 16 / 18 / 20 / 25 / 28 / 32 / 36 in 3)
Groove width 50 in
Saw chain pitch 3/8"
Device length with bumper spike 18.4 in 1)
Vibration level left 22.6 ft/s² 4)
Vibration level right 18.4 ft/s² 4)