Complete BRIGGS STRATTON 4-stroke engine VANGUARD twin-cylinder HORIZONTAL SHAFT 25x80 for professional machines without fuel tank cast-iron cylinder sleeve pressure lubrication with oil filter screw-on air cooling system TECHNICAL SPECIFICATIONS: Shaft: HORIZONTAL 25x80 Number of cylinders: 2 Rated power: 16 Hp Displacement: 479 cc Bore Size: - Stroke: - Compression ratio: 8. 2:1 Oil tank capacity: - Valve configuration: - Oil filter: yes Silencer: Not included Air filter: Double element Fuel tank: Not included Direction of crankshaft rotation: Anti-clockwise BRIGGS STRATTON CODE: 888139 ORIGINAL CODE: 305447 The warranty is valid ONLY when using SAE 30 lubricating oil preferably BRIGGS STRATTON that you can find in our store by clicking HERE CZ