Briggs Stratton 356777 – 18HP V-Twin Vertical Engine

Description

Briggs & Stratton 356777 – 18HP V-Twin Vertical Shaft Engine

Description: Heavy-duty 18HP V-Twin vertical shaft engine designed for riding mowers, garden tractors, and commercial turf equipment, offering smooth power delivery, durability, and long service life.

The Briggs & Stratton 356777 is a commercial-grade 18 horsepower V-Twin vertical shaft engine engineered for riding lawn mowers, garden tractors, and professional turf maintenance equipment. Built for consistent performance and reduced vibration, it delivers smooth torque output ideal for heavy mowing, towing, and continuous landscaping operations.

Its V-Twin OHV configuration provides improved balance, lower noise levels, and better cooling efficiency compared to single-cylinder engines. This makes it especially suitable for extended operation under demanding workloads in residential and commercial environments.

Designed with durability-focused engineering, the 356777 includes pressure lubrication, cast iron cylinder sleeves, and a heavy-duty air filtration system, ensuring long engine life and reliable performance in dusty or high-load conditions.

Key Features

• Strong 18HP V-Twin engine for heavy-duty use
• Smooth and quiet operation with reduced vibration
• Electric start for easy and reliable ignition
• OHV design for improved efficiency and cooling
• Ideal for riding mowers and turf equipment
• Durable cast iron cylinder sleeves for long lifespan
• Heavy-duty air filtration system for harsh conditions
• Efficient fuel consumption under load
• Service-friendly design for easy maintenance
• Available CARB/EPA compliant versions

Applications

• Riding lawn mowers
• Garden tractors
• Commercial landscaping machines
• Turf maintenance equipment
• Property and grounds maintenance

Briggs Stratton 356777 – 18HP V-Twin Vertical Engine: Buying Considerations

The Briggs & Stratton 356777 is an 18HP V-Twin vertical shaft engine built for riding mowers and commercial turf equipment. It delivers smooth, reliable power with reduced vibration and long-lasting durability for professional and residential use.

Before ordering the Briggs Stratton 356777 – 18HP V-Twin Vertical Engine from Briggs & Stratton, review the points below against your actual site conditions and workload. Published specifications describe the equipment under test conditions, and real-world performance depends on how closely your application matches those conditions. Buyers in the United States, Canada, and Asia should also confirm local voltage and frequency requirements, applicable safety or emissions standards, and freight or import logistics for the destination before finalizing an order.

What to Check Before You Buy

• Record shaft diameter, length, and keyway dimensions precisely before ordering a replacement engine – a mismatch here is the most common return reason.
• Match governed RPM and horsepower to the original equipment's rating; an engine that runs faster or slower than specified can affect the driven equipment's performance and safety.
• Verify crankshaft height and mounting bolt pattern against the equipment being repowered.
• Confirm control layout (throttle, choke, kill switch location) is compatible with the existing equipment's control linkage.

Can a horizontal shaft engine be used where a vertical shaft engine is specified?

No – shaft orientation is determined by how the engine mounts to the driven equipment (most vertical-shaft applications are mowers and similar equipment where the blade or implement mounts directly below the engine). The two are not interchangeable without a mounting adapter, and most equipment is only rated for one orientation.

For sizing help across the full Vertical Engines category, compare specifications side by side before committing to a specific model, and confirm current pricing, availability, and freight details for your location. Keep the supplier data sheet and any acceptance criteria on record for future maintenance and replacement decisions.