Kubota Solenoid Valve Replaced
Product Description: Kubota Solenoid Valve for Versatile Hydraulic Control (SV98-T39S) Kubota equipment – from small excavators and compact tractors to industrial machinery – depends on reliable solenoid valves for steering, shutdown, and pilot control. The Kubota solenoid valve replaced by Flying Bull (Model SV98-T39S) is a direct replacement hydraulic valve designed for oil media under ordinary pressure. It serves multiple functions depending on where it is installed in the system. The SV98-T39S solenoid valve is an electrically operated directional or pressure control valve. When the coil receives current, it creates a magnetic field that moves the internal spool. That action opens or closes flow passages, directing hydraulic oil where it needs to go. When power stops, a spring returns the valve to its original position. Three Common Types of Kubota Solenoid Valves: Steering Solenoid Valve: This valve controls the flow direction and switching of steering power oil. It draws steering oil from the tank to the steering pump, then transmits it to the steering mechanism. In automotive applications, it is used in light commercial vehicles, buses, and heavy trucks – improving driving stability and enabling automatic driving functions. In industrial and agricultural hydraulic systems, it provides precise steering control. Flameout (Shutdown) Solenoid Valve: This is a key component of the engine shutdown system. It controls the fuel supply system by opening or closing a fuel passage. When the operator turns off the key, the solenoid de-energizes and shuts off fuel flow – stopping the engine. On Kubota small excavators and other equipment, this solenoid plays an important role in safe engine operation. Pilot Solenoid Valve: This control element is widely used in machinery, water treatment, chemical, and pharmaceutical fields. It controls the flow of gas or liquid media. It offers good sealing and precise control performance. In machinery, water treatment, chemicals, and pharmaceuticals, pilot solenoid valves have a wide range of applications. Applicable Kubota Models for the SV98-T39S: This valve is suitable for a variety of Kubota excavators and mechanical equipment, including: U20, U17, U30K (compact excavators). KX163, KX155 (mini excavators). Other models that use the same solenoid valve specification. Note: Bucket capacity, rated power, and other parameters vary by model. Always verify your original part number before ordering. Why the SV98-T39S is a Versatile Choice: Multiple Functions: The same basic valve can serve as steering, shutdown, or pilot control depending on the circuit. Reliable Operation: Designed for the vibration, temperature swings, and dust common on job sites and farms. Easy Replacement: Screw-in cartridge design simplifies installation. No pipe cutting or manifold modifications. Flying Bull’s Kubota solenoid valve replaced SV98-T39S is 100% brand new, manufactured in Zhejiang, China, and backed by a 1‑year warranty. Delivery takes 5–7 working days.
Product Introduction
Products Description
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OE NO.: SV98-T39S |
Media: Oil |
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Warranty: 1 YEAR |
Condition: New, 100% Brand-new |
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Place of Origin: Zhejiang, China |
Item: Solenoid |
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Brand Name: FLYING BULL |
Quality: High-Quality |
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Delivery: 5-7 Working Days |
Pressure: Ordinary Pressure |
Hydraulic valve SV98-T39S Construction machinery parts
Type and use
① Kubota steering solenoid valve: Mainly controls the flow direction and switch of steering power oil, inhales steering power oil from the tank to the steering pump, and transmits it to the steering machinery for steering control. In the automotive field, it is generally used in steering systems such as light commercial vehicles, buses and heavy trucks, which can improve driving stability and automatic driving performance. In addition, it is also widely used in industrial and agricultural hydraulic control systems.
② Kubota flameout solenoid valve: It is a key component of the flameout system, which controls the on-off of the fuel supply system through the on-off of the control circuit to achieve the engine flameout and start. In the Kubota small excavator and other equipment, this solenoid valve plays an important role.
③ Kubota pilot solenoid valve: It is a control element widely used in various machinery industry, water treatment, chemical and pharmaceutical fields. It can control the flow of gas or liquid and other media, with good sealing and control performance. Especially in the machinery industry, water treatment, chemical and pharmaceutical fields, the solenoid valve has a wide range of applications.
Applicable models and parameters
Kubota solenoid valve SV98-T39S is suitable for a variety of Kubota excavators and mechanical equipment, such as U20, U17, KX163, U30K, KX155 and other models. The bucket capacity, rated power and other parameters of these devices vary by model.



Company Introduction







Frequently Asked Questions (FAQs)
1. What is the model number and basic application of this Kubota solenoid valve?
The model number is SV98-T39S. This hydraulic solenoid valve is used in Kubota excavators (U20, U17, U30K, KX163, KX155) and other mechanical equipment. It can function as a steering, flameout (shutdown), or pilot solenoid valve depending on the circuit.
2. What does a Kubota steering solenoid valve do?
It controls the flow direction and switching of steering power oil. The valve draws steering oil from the tank to the steering pump, then transmits it to the steering mechanism. This provides precise steering control – improving driving stability and enabling automatic driving functions in commercial vehicles and heavy equipment.
3. What is a flameout (shutdown) solenoid valve used for?
The flameout solenoid valve is a key component of the engine shutdown system. It controls the fuel supply system by opening or closing a fuel passage. When the operator turns off the key, the solenoid de-energizes and shuts off fuel flow – stopping the engine safely. On Kubota small excavators, this prevents the engine from running on after shutdown.
4. What is a pilot solenoid valve and where is it used?
A pilot solenoid valve is a control element that directs a small amount of fluid to shift a larger main valve. It is widely used in machinery, water treatment, chemical processing, and pharmaceutical fields. It offers good sealing and precise control of gas or liquid media. Pilot valves allow small electrical switches to control large hydraulic flows.
5. Which Kubota models are compatible with the SV98-T39S solenoid valve?
This valve is suitable for Kubota U20, U17, U30K, KX163, KX155, and other excavators and mechanical equipment. However, bucket capacity, rated power, and solenoid specifications vary by model. Always verify your original part number before ordering – do not rely only on machine model.
6. How does the SV98-T39S solenoid valve work?
When the solenoid coil receives electrical current, it creates a magnetic field. The magnetic field pulls or pushes the internal spool, opening or closing flow passages. That action directs hydraulic oil to the steering mechanism, shuts off fuel for engine shutdown, or operates a pilot circuit. When power stops, a spring returns the valve to its original position.
7. Can the same SV98-T39S valve be used for steering, shutdown, and pilot functions?
The same basic valve body and solenoid can be applied to different functions depending on how it is installed in the hydraulic circuit. However, some applications may require specific flow or pressure characteristics. Always confirm that the SV98-T39S matches your original valve's specifications before using it as a replacement.
8. Does the Kubota solenoid valve replaced SV98-T39S come with a warranty?
Yes. Flying Bull provides a 1‑year warranty against manufacturing defects. Damage caused by contaminated fluid, incorrect installation, voltage outside specifications, overpressure, or physical damage is not covered. Always use clean hydraulic oil and follow proper installation procedures.
9. Is this valve a direct replacement for the original Kubota part?
Yes. The SV98-T39S is manufactured to replace the original Kubota solenoid valve. It matches the original mounting dimensions, flow characteristics, pressure rating, voltage, and connector type. Always verify your original part number before ordering – do not rely only on machine model.
10. What maintenance does the SV98-T39S solenoid valve require?
The valve itself requires no regular maintenance (no adjustments, no seal replacements). However, keep the hydraulic system clean – change filters on schedule, use clean oil, and maintain proper oil level. Contaminated oil is the leading cause of solenoid valve sticking, slow response, and coil burnout.
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