BRIGGS & STRATTON Gasoline Engine: Series Professional Series, 25 hp Horsepower
The BRIGGS & STRATTON Professional Series™ Gasoline Engine (MPN 44S977-0033-G1) is a 25 hp vertical-shaft engine with an electric start. It features a 1-1/8 in shaft diameter and a tapped 7/16"-20 shaft end.
SKU 3G-OTH-417284
Also listed as: 44S9770033G1 · 44S977 0033 G1
Local availability & support
- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
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Product Description
The BRIGGS & STRATTON Professional Series™ Gasoline Engine (MPN 44S977-0033-G1) is a 25 hp vertical-shaft engine with an electric start. It features a 1-1/8 in shaft diameter and a tapped 7/16"-20 shaft end.
Frequently Asked Questions
What is the BRIGGS & STRATTON 44S977-0033-G1 engine used for?
This 25 hp vertical-shaft gasoline engine is designed for heavy-duty commercial lawn and turf equipment, such as zero-turn mowers and riding tractors. Its Professional Series™ build provides reliable power for demanding grounds maintenance applications.
What are the specifications of the BRIGGS & STRATTON 44S977-0033-G1?
This engine delivers 25 hp with a vertical shaft of 1-1/8 in diameter, tapped 7/16"-20 at the end. It features an electric start and is part of the Professional Series™. The manufacturer part number is 44S977-0033-G1.
Where to buy the BRIGGS & STRATTON 44S977-0033-G1 worldwide?
3G Electric supplies this BRIGGS & STRATTON Professional Series™ engine worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and a quote.
How to install a BRIGGS & STRATTON vertical engine?
Ensure the mounting surface is clean and the shaft aligns with the equipment's pulley or coupling. Use the tapped 7/16"-20 shaft end for secure attachment. Follow the engine manual for torque specs and break-in procedures. Always disconnect the battery before installation.
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3G Electric supplies BRIGGS briggs & stratton engines. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
