OLEOMAC GS 520 petrol chainsaw Technical data Power - Displacement: 3.4 HP - 2.5 kW/51.7 cc Bar length (tip): 41 cm - 46 cm 16 - 18" (sprocket) Chain (pitch x thickness): .325 x.058 Oil pump: automatic, adjustable, zero flow at idle Oil/fuel tank capacity: 0.27 L/0.5 L Acoustic pressure/power level: 104.4/112.9 dB(A) Vibration level left/right: 5.2/5.5 m/s Dry weight without bar and chain: 5.4 kg Available in the following configurations: - 41 cm bar - 46 cm bar CZ