EPA Certified quiet dependable performance with horizontal shafts. For pressure washers, air compressors, trenchers, concrete mixers, concrete saws, mortar mixers, Go-Karts. 13 hp, 89 cc displacement: Bore x Stroke of 82 mm x 64 mm; 8.0:1 compression ratio, 3600 rpm engine speed, Recoil starting system, 1.6 gal fuel tank capacity:, 1 qt engine oil capacity, 15.9 in L x17 in W x 17.3 in H, 68 lb Dry weight, 1 in shaft diameter. Not for sale in California.