diesel generator set, genset, generators.
Specifications:
Model: EPW50S (Water cooled, 50Hz,400V, 4lines)
Prime Rating: 40kW/50kVA
Standby Rating: 44kW/55kVA
Power factor (cosφ) 0.8
Phase number three- phases
Engine model  R4105ZD 
Gemerator model: Copy Stamford
Dimensions (LxWxH)(mm) 1250x1050x1200
Net weight (kg) 900