Vanguard 16.0 HP Horizontal Engine Fits Model ? ? UNIVERSAL Large Chore Applications Replaces OEM ? ? and Engines 305447-3079-G1 Specs Grade Commercial ? Bore: 2.68 inches ? Stroke: 2.60 inches ? Oil Capacity: 56 fl. oz ? Air Cleaner: Dual Element ? Bearings: 7.75″, 6.50″, & 5″ DIA BOLT CIRCLE ? Bore Type: Sleevebore ? Crankshaft Number: 508417 ? Cylinder Head: Twin with Cast Iron Sleeve ? Deflectors: Without ? Disptick: In Crankcase ? Dipstick: In Crankcase ? Oil Drain: Oil Fill in Calve Cover #1 ? Flywheel: Heavy Equipment for Electric Start ? Fuel System: Without Fuel Tank ? Governor: Mechanical Governor ? Exhaust: Without Muffler ? Starting: 12 Volt Industrial Starter ? Warranty: 2 Year Limited Consumer Warranty Shaft Size 1″ x 2-29/32″ Power 16 HP Displacement 479cc