Kawasaki FD791D-S01 26HP Horizontal Shaft Engine – EFI, Liquid-Cooled, 1-1/8" x 3-3/4"

Fuel-Injected V-Twin Gas Engine | Electric Start

In-Stock Now!

The Kawasaki FD791D-S01 is a powerful, fuel-injected 26HP gas engine featuring a 1-1/8" x 3-3/4" horizontal shaft and electric start. Engineered for high-performance applications, this liquid-cooled V-Twin engine is ideal for zero-turn mowers, riding mowers, and commercial-grade turf, industrial, and utility equipment.

Whether you're replacing an older model or upgrading your mower fleet, the FD791D S01 delivers top-tier performance, superior fuel efficiency, and long-term durability.

Key Features:

• Electronic Fuel Injection (EFI): Enhanced fuel economy, responsive throttle, and smooth performance in varying altitudes and weather
• Liquid-Cooled, OHV, 90° V-Twin: Keeps the engine running cooler, prolonging engine life under heavy-duty workloads
• Electric Start System: Quick and effortless starting with a turn of the key
• 1-1/8" x 3-3/4" Horizontal Shaft: Ideal for many commercial and industrial machine fits
• 20 AMP Charging System with Regulator: Keeps battery and accessories powered throughout extended operations
• Pressurized Lubrication System: Optimizes performance and reduces engine wear
• Heavy-Duty Canister Air Cleaner: Provides excellent filtration in dusty environments
• Mechanical Governor & Cast Iron Cylinder Liners: Supports stable RPMs and heavy-duty usage
• Oil Pressure Switch & Water Temperature Sensor: Added protection for engine longevity

The Kawasaki FD791D-S01 is built to handle professional-grade equipment used in landscaping, groundskeeping, agriculture, and more. It’s a direct fit or upgrade for machines from John Deere, Toro, Exmark, Encore, KMC, Venture, and other top equipment manufacturers. Its EFI system offers a clear advantage over traditional carbureted engines—automatically adjusting to changing conditions, which is especially useful in year-round, high-altitude, or variable-climate applications.

From municipal fleets to commercial landscapers, this Kawasaki horizontal shaft engine is trusted by professionals who demand reliability and performance. Its fuel-injected design makes it easier to maintain, more fuel-efficient, and environmentally friendly—all while delivering the raw power needed to get the job done. Backed by a 3-Year Warranty for both commercial and residential use, you can rely on the FD791D-S01 for consistent performance season after season.

*Used on John Deere, Toro, Exmark, Encore, KMC, Venture, and many others. Order now to take advantage of our competitive prices with fast free shipping on all orders over $100 and give us a call at 888-208-2088, 248-628-4638 to speak with our Kawasaki Gold team of experts that are able to help you with all your Kawasaki needs and questions.

Why Buy from Carroll Stream Motor Company?

Carroll Stream has proudly supplied Kawasaki engines since 2005. We offer:

• Same-Day Free Shipping on orders over $100
• Expert support from our Kawasaki Gold Certified team
• Competitive pricing and knowledgeable service

* Payment via wire transfer or check. If paying using a credit card, a 4% transaction fee will apply. Please contact us for details, thank you.

Use to Replace Model Numbers:

FD791D-S01, FD791D-CS01, FD791D-DS01, FD791D-ES01, FD791D-FS01, FD791D-NS01

Please call for questions about what engines this replaces. (888-208-2088, 248-628-4638)

Any cross-reference is provided as a courtesy. You will be responsible for making sure the part number we are providing will fit your application. If you are unsure, please contact us before purchasing for help. Please have your model and serial number available.

Add Genuine OEM Kawasaki Fuel Treatment. This 12oz bottle is designed to help protect your engine!