... gas engine driving coupler power set, 4-stroke, water cooling, boosting intercooling, air combustion ratio control, plug ignition, electric control, external mixture before ... lubricationEngine oil filterIncludedGas discharge temperature≤700°C(before turbo)Ignition control systemDigital ignitionCooling modeCompulsory water coolingNoise<123dB(A)Type of silencerExtinguishing ...