Description
Kawasaki FH580V-S20-S Vertical Engine – Professional Overview
The Kawasaki FH580V-S20-S vertical engine is a commercial-oriented small gasoline engine designed for outdoor power equipment. Its vertical crankshaft configuration makes it suitable for compatible riding mower and lawn tractor applications where the engine and equipment mounting configuration require a vertical PTO arrangement.
The engine has a 585cc displacement and a maximum rated output of 19.0 HP. It uses an OHV four-cycle design with two cylinders and a cast iron cylinder sleeve.
The FH580V-S20-S model is equipped with an electric starter, electronic ignition, fuel pump, and dual-element KAI air cleaner. These specifications make it a practical power source for compatible lawn and turf equipment.
The supplied product information also identifies the engine as 50-State CARB Compliant, making that specification particularly relevant for buyers who need an engine suitable for applicable emissions-regulated markets.
Applications and Equipment Compatibility
The engine is specifically described as ideal for riding mowers and lawn tractors. Its vertical crankshaft orientation is an important fitment characteristic because the engine must match the original equipment’s mounting and PTO configuration.
The crankshaft measures 1 inch in diameter by 80mm in length, with a 7/16-20 tapped end. It rotates counterclockwise when viewed from the PTO side.
Buyers should compare these dimensions with their existing engine before ordering. Crankshaft diameter, length, rotation direction, mounting arrangement, bolt circle, starter configuration, and overall engine dimensions can affect compatibility.
The listed bolt circle is 10, while PTO height is listed as N/A in the supplied specifications.
Engine Design and Performance
The FH580V-S20-S uses a 585cc OHV four-cycle configuration with two cylinders and a maximum engine speed of 3,600 RPM. The OHV design provides the engine architecture specified for this Kawasaki application while the vertical configuration allows integration into compatible mower and lawn-tractor platforms.
The engine uses a cast iron cylinder sleeve, providing the specified cylinder construction for this model. Its fuel system includes a fuel pump and an internally vented carburetor with remote choke control.
A 15-amp charging coil supports the electrical system, while the electric starter provides convenient engine starting for compatible equipment.
The product information identifies an oil capacity of 1.9 quarts and no oil cooler or low-oil alert.
Starting, Fuel, and Air Systems
The engine is equipped with an electric starter, making it suitable for equipment designed around electric starting rather than manual recoil starting.
Fuel delivery uses a gasoline fuel system with a fuel pump and internally vented carburetor. The choke control is remote, allowing the engine to integrate with compatible mower or lawn-tractor controls.
Air enters through a dual-element KAI air cleaner, providing the filtration configuration specified for this FH580V-S20-S model.
The electronic ignition system provides the listed ignition configuration, while the absence of a low-oil alert should be considered when comparing this engine with other replacement engines or equipment configurations.
Why This Kawasaki Engine Is a Practical Choice
The FH580V-S20-S combines several specifications that are important when replacing a small-engine power unit: 585cc displacement, 19.0 HP maximum output, vertical crankshaft configuration, electric starting, and a 1-inch x 80mm crankshaft.
Its application as a riding mower and lawn tractor engine makes it particularly relevant for equipment owners and professionals who need a replacement engine matching a vertical power-equipment configuration.
The listed 3-year commercial engine warranty also provides a defined warranty period for buyers evaluating the engine for professional or commercial equipment use.
The product is also listed as 50-State CARB Compliant, an important specification for customers operating equipment in jurisdictions with applicable emissions requirements.
Who This Engine Is Best For
This engine is best suited to lawn-care professionals, landscaping businesses, equipment repair shops, property maintenance companies, and homeowners with compatible riding mowers or lawn tractors.
It is particularly appropriate for applications requiring a vertical 585cc Kawasaki engine with a 1-inch x 80mm crankshaft and electric starting system.
Before ordering, buyers should compare the original engine’s crankshaft dimensions, rotation direction, mounting arrangement, bolt pattern, starter configuration, and equipment requirements.
Technical Specifications
| Specification | Details |
|---|---|
| Brand | Kawasaki |
| Model Number | FH580V-S20-S |
| Engine Type | Vertical OHV 4-Cycle |
| Displacement | 585cc |
| Maximum Horsepower | 19.0 HP |
| Cylinders | 2 |
| Fuel Type | Gasoline |
| Starter Type | Electric |
| Crankshaft Orientation | Vertical |
| Crankshaft Type | Straight |
| Crankshaft Dimensions | 1″ x 80mm |
| Crankshaft Diameter | 1″ |
| Crankshaft Length | 80mm |
| Crankshaft End Tapped Size | 7/16-20 |
| Crankshaft Rotation | Counterclockwise from PTO side |
| Cylinder Bore Type | Cast Iron Sleeve |
| Air Cleaner | Dual Element KAI |
| Fuel Pump | Yes |
| Ignition System | Electronic |
| Carburetor Type | Internally Vented |
| Choke Control | Remote |
| Oil Capacity | 1.9 qt |
| Oil Cooler | No |
| Low Oil Alert | No |
| Gear Reduction | No |
| Maximum RPM | 3600 RPM |
| Bolt Circle | 10 |
| Charging Coil | 15 Amp |
| Warranty | 3 Year |
| Emissions Compliance | 50-State CARB Compliant |
| Recommended Applications | Riding mowers and lawn tractors |
| PTO Height | N/A |
Ordering, Fitment, and Support
Before purchasing the Kawasaki FH580V-S20-S vertical engine, confirm that its specifications match the equipment being serviced. The most important checks include crankshaft diameter and length, rotation direction, mounting configuration, starter arrangement, and overall engine compatibility.
The supplied specifications identify the engine as a 1-inch x 80mm vertical crankshaft model with a 10-inch bolt circle. These details should be compared with the original engine and equipment manufacturer’s requirements.
The product information also states that engines purchased from the supplier ship free and are foam packed for added protection during transit. The listing provides a 3-year commercial engine warranty.
Related small-engine components, replacement engines, and outdoor power-equipment parts can also be considered when completing a mower or lawn-tractor repair.
Frequently Asked Questions
What is the horsepower of the Kawasaki FH580V-S20-S?
The Kawasaki FH580V-S20-S has a listed maximum output of 19.0 HP. It uses a 585cc, two-cylinder OHV four-cycle gasoline configuration and operates at a maximum listed speed of 3,600 RPM.
What size crankshaft does this Kawasaki engine have?
The engine uses a 1-inch diameter by 80mm long vertical crankshaft. The crankshaft end is tapped to 7/16-20, and the specified rotation is counterclockwise when viewed from the PTO side.
What equipment is the FH580V-S20-S designed for?
The supplied product information identifies the engine as ideal for riding mowers and lawn tractors. Exact compatibility depends on the equipment’s mounting arrangement, crankshaft dimensions, PTO configuration, and other specifications.
Does this Kawasaki engine have an electric starter?
Yes. The FH580V-S20-S is equipped with an electric starter. Buyers replacing an existing mower or lawn-tractor engine should verify that the equipment’s electrical and mounting configuration is compatible.
Is the Kawasaki FH580V-S20-S CARB compliant?
Yes. The supplied product information identifies this engine as 50-State CARB Compliant. This specification can be important for customers operating equipment in areas with applicable emissions requirements.
What type of air cleaner does this engine use?
The engine uses a dual-element KAI air cleaner. It also features an internally vented carburetor, fuel pump, remote choke control, and electronic ignition system.
What warranty comes with the engine?
The listed warranty is 3 years, described in the supplied information as a three-year commercial engine warranty. Buyers should review the applicable warranty terms for complete coverage conditions.
