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Description
FX730V-FS12S / FX730V-ES12S – Kawasaki FX730V Engine with 1" Crankshaft (Genuine Commercial V-Twin Engine)
The Kawasaki FX730V-FS12S / FX730V-ES12S is a premium 726cc commercial-grade V-Twin gasoline engine designed to deliver exceptional power, durability, and fuel efficiency for demanding commercial mowing and turf maintenance applications. Equipped with a 1-inch diameter crankshaft, this engine is engineered to power a wide variety of commercial zero-turn mowers and heavy-duty outdoor power equipment.
Built with Kawasaki's proven FX Series technology, the FX730V features an overhead V-valve (OHV) design, cast-iron cylinder liners, heavy-duty air filtration, and pressure lubrication for outstanding reliability, smooth operation, and long engine life in the toughest working conditions.
Product Details
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Model: FX730V-FS12S
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Model: FX730V-ES12S
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Brand: Kawasaki Engines
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Engine Type: Commercial V-Twin OHV Gasoline Engine
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Displacement: 726cc
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Crankshaft Diameter: 1"
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Cooling System: Air-Cooled
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Lubrication: Full Pressure Lubrication with Oil Filter
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Starting System: Electric Start
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Fuel Type: Gasoline
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Genuine Kawasaki Engine
Key Features
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Genuine Kawasaki FX Series commercial engine
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726cc high-performance V-Twin design
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1-inch PTO crankshaft
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Heavy-duty cast-iron cylinder liners
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Overhead V-valve (OHV) technology
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Full pressure lubrication system with spin-on oil filter
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Commercial-grade dual-element air filtration
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Excellent fuel efficiency and low emissions
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Smooth operation with outstanding torque output
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Built for continuous commercial use
Function
The Kawasaki FX730V-FS12S / ES12S provides dependable power for commercial mowing equipment, delivering consistent torque and horsepower while maintaining excellent fuel efficiency and long service intervals.
Compatible Equipment
The FX730V-FS12S / FX730V-ES12S is commonly installed on commercial equipment from manufacturers including:
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Scag
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Ferris
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Exmark
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Gravely
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Ariens
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Hustler
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Bad Boy
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Spartan Mowers
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Bob-Cat
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Wright Manufacturing
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Toro
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Encore
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Other commercial zero-turn mower manufacturers using compatible Kawasaki FX730V engines with a 1-inch crankshaft
Always verify your engine specification number and equipment requirements before ordering.
Who Is This For?
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Commercial landscaping companies
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Lawn care professionals
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Municipal maintenance departments
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Golf course maintenance crews
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Property maintenance contractors
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Homeowners with large acreage
Recommended Property Size
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3–20+ acres
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Commercial mowing operations
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Municipal and institutional properties
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Large residential estates
Pros
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Genuine Kawasaki commercial-grade engine
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Proven FX Series durability
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Heavy-duty 1-inch crankshaft
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Excellent torque for demanding mowing conditions
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Reliable electric starting
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Full pressure lubrication system
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Long engine life with proper maintenance
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Outstanding commercial performance
Cons
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Designed specifically for equipment requiring a 1-inch PTO crankshaft
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Professional installation may be required when replacing an existing engine
Comparison – Kawasaki FX730V vs FR Series Engines
Kawasaki FX730V
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Commercial-duty construction
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Cast-iron cylinder liners
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Heavy-duty air filtration
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Full pressure lubrication
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Designed for all-day commercial operation
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Longer expected service life
Kawasaki FR Series
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Residential-duty engine
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Lighter-duty construction
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Intended for homeowner applications
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Lower overall operating hours
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Lower initial purchase cost
Why Buy from Barry's Power Equipment?
Barry's Power Equipment supplies genuine Kawasaki engines and OEM replacement parts trusted by commercial landscapers, repair technicians, and outdoor power equipment professionals.
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Genuine Kawasaki engines and OEM parts
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Fast nationwide shipping
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Competitive pricing
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Expert technical support
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Extensive inventory for Kawasaki, Scag, Exmark, Ferris, Toro, Gravely, and other leading outdoor power equipment brands

