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