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Forced air cooled 4-stroke, horizontal shaft, OHV gasoline engine.
90°V-Twin cylinder configuration.
675cm³ (41.2cu.in.) displacement.
Maximum power output of 17.2kW (23.0Hp) at 3600rpm.
Maximum torque of 54.0N-m (39.9ft.lbs) at 2400rpm.
Full pressure lubrication with spin-on oil filter.
Graph showing engine output (Hp/kW) versus engine speed (rpm).
Graph showing engine torque (N-m/ft.lbs) versus engine speed (rpm).
Engine dimensions including length, width, and height.
Details on stud bolt and mounting hole specifications.
Specifications for the PTO shaft diameter and length.
Forced air cooled 4-stroke, horizontal shaft, OHV gasoline engine.
90°V-Twin cylinder configuration.
675cm³ (41.2cu.in.) displacement.
Maximum power output of 17.2kW (23.0Hp) at 3600rpm.
Maximum torque of 54.0N-m (39.9ft.lbs) at 2400rpm.
Full pressure lubrication with spin-on oil filter.
Graph showing engine output (Hp/kW) versus engine speed (rpm).
Graph showing engine torque (N-m/ft.lbs) versus engine speed (rpm).
Engine dimensions including length, width, and height.
Details on stud bolt and mounting hole specifications.
Specifications for the PTO shaft diameter and length.
The Kawasaki FH680D is a robust, air-cooled, 90° V-twin, overhead V-valve (OHV) gasoline engine designed for demanding applications. Its primary function is to provide reliable power, making it suitable for a wide range of outdoor power equipment where consistent performance is crucial. The engine is engineered for horizontal shaft mounting, which is a common configuration for many types of machinery.
One of the key usage features of the FH680D is its full transistor ignition system. This advanced ignition technology ensures precise timing and a strong spark, contributing to easy starting and efficient combustion across various operating conditions. This translates to smoother engine operation and improved fuel economy for the user. The engine also incorporates a mechanical governor, which automatically adjusts the throttle to maintain a consistent engine speed under varying loads. This feature is particularly beneficial in applications where a steady power output is required, preventing engine bogging down when encountering resistance and ensuring a more stable operation of the equipment it powers.
Starting the FH680D is facilitated by a BENDIX type electric starter, providing convenient and reliable ignition with the turn of a key or push of a button. This eliminates the need for manual pull-starting, enhancing user comfort and accessibility, especially in commercial or frequent-use scenarios. The engine's fuel delivery system includes a twin-barrel, float-type carburetor with fixed main jets, ensuring optimal fuel-air mixture for efficient power generation. A pulse-type fuel pump is integrated to reliably supply fuel to the carburetor, even when the fuel tank is located below the engine, which is a common setup in many equipment designs.
Maintenance features are thoughtfully integrated into the FH680D to ensure longevity and ease of service. The engine boasts a full pressure lubrication system, which is a critical component for engine durability. This system utilizes a spin-on oil filter, similar to those found in automotive engines, to continuously clean the engine oil, removing contaminants and ensuring that all vital moving parts are adequately lubricated. This significantly extends the engine's lifespan and reduces wear and tear, even under heavy use. The spin-on design of the oil filter also makes replacement quick and mess-free, simplifying routine maintenance for the operator.
For air filtration, the FH680D is equipped with a dual element air cleaner. This multi-stage filtration system effectively prevents dust and debris from entering the engine, protecting internal components from abrasive wear. The dual element design typically involves a pre-filter and a main filter, offering superior protection in dusty environments and extending the service interval of the air cleaner. Regular inspection and cleaning or replacement of these elements are straightforward, contributing to the overall ease of maintenance.
The engine also includes a low tone muffler, designed to reduce noise levels during operation. While not a direct maintenance feature, it contributes to a more pleasant working environment and can be a factor in complying with noise regulations. The charging coil, rated at 12V-13A with a regulator, ensures that the equipment's battery is kept charged during operation, powering the electric starter and any other electrical accessories. This eliminates the need for external battery charging in most cases, adding to the self-sufficiency of the equipment.
Overall, the Kawasaki FH680D is designed with a strong emphasis on reliability, user convenience, and straightforward maintenance. Its robust construction and integrated features make it a dependable power source for a variety of demanding applications, ensuring consistent performance and a long operational life with proper care.
General| Displacement | 675 cc |
|---|---|
| Fuel System | Carburetor |
| Lubrication System | Forced lubrication (wet sump) |
| Engine Type | 4-stroke, air-cooled, V-twin |
| Maximum Power | 22.0 hp (16.4 kW) at 3600 rpm |
| Ignition System | Magneto ignition |
| Oil Capacity | 1.9 L (2.0 US qt) |
