1, CE and ISO9001 approved 2, OEM top quality yangdong engine 3, trailer genset wih EPA 4, Warranty: 1 year ... stop button is installed outside of the canopyYangdong diesel engine: Yangdong diesel engine with the cutting edge technology in design.Characters: small ... controllerAutomatic transfer switches (ATS) Transportation: 4 cylinder water cooled Yangdong engine trailer genset with CE certification