Grinder 4-Stroke, overhead valve, single cylinder engine. Oil capacity: 1.16 Quart Max Power: 13hp @3600 rpm Max Torque: 19.5 ft-lb at 2500 rpm Fuel: Gasoline – Holds 1.7 Gallons Weight: 2602 lb Length: 78″ Height: 29.5″ Tire Size: 13″ x 5.00 – 6″ Tire Pressure: 20 psi Wheel Lug Nut Torque: 25 ft-lb