Briggs & Stratton Vanguard 386447-3047 23HP 627cc V-Twin Horizontal Shaft

1-1/8" Diameter, 1/4" Keyway Horizontal Shaft

The Briggs & Stratton Vanguard 386447-3047 is a 23HP, 627cc V-Twin horizontal shaft engine engineered for professional-grade power, durability, and efficiency. This updated model replaces the 386447-0514-G1, ensuring you get the latest design improvements while maintaining compatibility with a wide range of equipment.

Perfect for zero-turn mowers, golf carts, garden tractors, and industrial machinery, the 386447-3047 delivers the reliable torque and horsepower needed to tackle heavy workloads. Its OHV V-Twin design improves fuel efficiency, lowers emissions, and provides smoother operation compared to conventional side-valve engines.

This model comes equipped with a dependable electric start system, ensuring quick ignition in all conditions. The 16-amp charging system supplies consistent electrical power, while the mechanical governor maintains steady RPMs under varying loads. With pressure lubrication and an oil cooler, this engine keeps essential components well protected, reducing wear and extending service life.

Durability is at the core of the Vanguard design. A cast iron cylinder sleeve ensures long-term reliability, while the dual-element air cleaner protects internal components from dust and debris in demanding environments. The forced-air cooling system keeps operating temperatures stable, ensuring consistent performance even during extended use.

The 386447-3047 features a 1-1/8” diameter keyed shaft with a 1/4” keyway and a length of 3 inches, with a tapped crankshaft end of 7/16”-20. This configuration offers excellent compatibility across many types of equipment, making it an ideal replacement engine.

Backed by a 3-year commercial and consumer warranty, this Vanguard engine is built to handle the demands of both professional and residential users. Compact dimensions of 16” x 17.5” x 17.75” and a dry weight of 92 lbs allow for straightforward installation and equipment integration.

At Carroll Stream Motor Company, we’ve proudly supplied Briggs & Stratton engines since 2005. Our Michigan-based team offers expert guidance and fast support to ensure you get the right engine for your needs. With free shipping and a large inventory, we make upgrading or replacing your motor simple and worry-free.

Order the Briggs & Stratton Vanguard 386447-3047 today and power your equipment with one of the most reliable small engines on the market. For assistance or compatibility questions, call us at 1-888-208-2088 and speak directly with our knowledgeable support team.