diesel generator set 1.Powered by Air-cooled,4-Strokr Single Cylinder Diesel Engine. 2.Good quality and hight output 2.5KW air cooled diesel generator setMODELRATED AC OUTPUT STARTING SYSTEMENGINE TYPE50HZ 60HZFKSD2500L1.7KW2.0KWRecoil170F 4.2HPFKSD3000L2.8KW3.3KWRecoil/Electric178F 6.0HPFKSD5000L4.2KW5.0KWRecoil/Electric186F 10.0HP 2.8kw diesel generator set