Engine Manufacturer Generac Engine Model G FORCE-1000 Net Engine Power 18.7 kWm Engine Cooling System Air Cooled No. of Cylinder and Position 2, Vee Displacement 999 cc Aspiration Naturally Aspirated Bore x Stroke 90 x 78.58 mm Recommended Fuel LPG Combustion system Electronic spark Injection Compression Ratio 9.5: 1 Total lubricating capacity 1.8 Liters Total coolant capacity NA Fuel Consumption ο¬ Full Load (Prime) 3.91 kg/hr ο¬ 75% Load 3.15 kg/hr ο¬ 50% Load 2.45 kg/hr