Engine Type: 4-stroke vertical diesel.Cooling System: Air-cooled (for light/portable types) or Water-cooled (for industrial/continuous use).Engine Speed: 3000 RPM (portable) or 1500 RPM (stationary/industrial).Starting System: Electric key start (often paired with an Automatic Transfer Switch / ATS for auto-start during blackouts).Fuel Tank Capacity: Typically ranges between 14 to 25 liters.Fuel Consumption & Runtime: Consumes roughly 1.5 to 2.1 liters per hour depending on load, yielding 6 to 12 hours of continuous run time