These engines are specially designed to start strong and power through the toughest winter conditions. FEATURES Our Starting Promise™ Snow: Engine starts in temperatures down to -20F. Electric Starter Option Cast Iron Sleeve: Withstands wear and abuse. SPECIFICATIONS Model Number: 25M1 Torque (ft-lbs, gross)*: 21 Engine Displacement (cc): 420 Number of Cylinders: Single Engine Configuration: Horizontal Shaft OHV Engine: true Length (in): 20.0 Height (in): 17.1 Weight (lbs): 81.0 Bore (in): 3.54 Stroke (in): 2.6 Engine Fuel: Gasoline Fuel Tank Capacity (gal): 1.475 Lubrication System: Dura-Lube Splash Lubrication Oil Capacity (oz): 28 Oil Filter: N/A Starter: Manual Choke Air Filter: N/A Muffler: Super Lo-Tone™ ENGINE Cylinders Single Bore x Stroke 3.54 in. x 2.6 in. Displacement 420 cc Torque 21 ft.-lb., gross Fuel Capacity 1.475 gal. Starting System Manual Choke DIMENSIONS Length 20.0 in. Height 17.1 in. Weight 81.0 lb.