Rated output power (kW): 6.0 Max output power (kW):6.5 Rated rotation speed (rpm): 3000 DC output: 12V8A Power factor cos: 1.0 Phase number: single phase Noise level dB (A)/4m (zero load-full load): 70-74 Fule tank[L]:23 Engine model:WG405 Engine type: 4-stroke air-cooled OHV Displacement [cc]:407 Compression ratio:8.5:1 Rated power [(HP/rpm]:14/3600 Rated rotation speed (rpm): 3600 T.C.I:with Spark plug: F6RTC Starting system:recoil or electric starter Rotation direction (view from flywheel): clockwise Lube oil brand: SAE10W30(above cc grade) Low oil alarm system :with. Overall dimensions [mm] ( L x W x H ): 645x540x640 N.W/G.W[Kg]: 90/91.