Cummins Natural Gas Engine 6BTAA5.9-GG 1natural gas engine 2for gas generator, bus, truck 34 stroke 4electric start 1.Cummins gas engine. 2 ... and generator set.3.OEM standard. 4.Competitive price.Natural Gas Engine : Natural gas engine has low harmful emissions, almost being no ... is suitable for applications in regions abundant in oil and gas fields to use as standby power supply, being stable ...