Briggs & Stratton 49E877-0034

28hp 810cc Engine

Vanguard EFI Vertical Shaft

The Briggs & Stratton 49E877-0034 Vanguard EFI is a 28HP 810cc V-Twin vertical shaft engine designed for commercial-grade performance and long-term durability. With its advanced Electronic Fuel Injection (EFI) system, this engine delivers optimized fuel economy, easier starts, and reduced emissions—making it an excellent choice for professional landscaping, turf management, and industrial equipment.

This model is well-suited for zero-turn mowers, golf carts, generators, sawmills, and other heavy-duty applications. The 1-1/8" diameter vertical shaft with a 1/4" keyway and 4" length offers broad compatibility with commercial and residential equipment. The OHV (overhead valve) design maximizes power output while minimizing fuel consumption, ensuring reliable performance in demanding conditions.

Equipped with a Cyclonic air filtration system, the 49E877-0034 provides superior debris protection for extended engine life, even in dusty or harsh environments. A cast iron cylinder sleeve adds another layer of durability, making this engine a trusted workhorse for both professionals and serious equipment owners.

For electrical power, the engine includes a 12-volt solenoid shift starter for dependable ignition and a 20-amp DC alternator to keep onboard electronics and accessories running smoothly. Precision-balanced components help reduce vibration, enhancing operator comfort and extending engine life.

Maintenance is simple thanks to tool-less air filter access and a convenient oil drain system, which reduce downtime and keep service quick and efficient. Briggs & Stratton backs the 49E877-0034 with a 3-year commercial and consumer warranty, underscoring their commitment to quality and reliability.

At Carroll Stream Motor Company, we’ve been supplying high-quality small engines since 2005. Our Michigan-based technical support team is available to help confirm compatibility and ensure you get the right replacement engine for your application. We also provide fast, free shipping so you can get your equipment back in operation without delay.

Order the Briggs & Stratton 49E877-0034 Vanguard EFI today and experience a perfect blend of power, efficiency, and long-lasting durability. For questions or fitment assistance, call 1-888-208-2088 and speak with one of our knowledgeable engine experts.