This 5.0kW gasoline generator with EPA approval is of high quality Specifications: 1. Gasoline ... Engine type: OHV25, single cylinder, forced air cooling, 4-stroke 2) Max. power: 4.0kW/3,600rpm 3) Max. torque: ... 11N.m/2,500rpm 4) Bore x stroke (mm): 68 x 54 5 ... 10) Fuel type: above unleaded RQ-90 (GB17930-1999) 2. Generator: 1) Rated voltage: 230V, 115/230V, 120/240V ...