ENGINES MODEL TYPE SIZE COUNTRY OF ORIGIN Robin Petrol 3.5 HP to 18 HP Japan Honda Petrol 3.5 HP to 24 HP Japan, India & Thailand Briggs & Stratton Petrol 3.5 HP to 20 HP United States Lombardini Diesel 4.2 HP to 42 HP Italy Yanmar Diesel From 4 HP Japan Lister Diesel From 6 HP United Kingdom Hatz Diesel From 6 HP Germany