... cylinder , air cooled , E178F/FE Diesel generator set GD4000X GD4000X: 3.5KVA, open type diesel generator , powered by single cylinder air-cooled ... 3.3rated rotation speed(rpm): 3000/3600power factor cos: 1phase number: singlepole number: 2excitation transistorized: self-excitation, brushlessATS type: without ATS, optionalstructure ... : X:recoil starter;XE:electric starter open frame diesel generator