Kubota BX2230 Parts and Parts Manual PDF

BX2230 Parts

The Kubota BX2230 is a popular compact tractor designed for both residential and light commercial use. With a 22-horsepower engine and a compact size, it’s ideal for tasks like mowing, tilling, landscaping, and more.

To keep it running smoothly, it’s crucial to have a good understanding of its key components and the role each plays in its overall performance.

Essential Kubota BX2230 Parts

a. Engine Components:

  • Air Filter: The air filter prevents dust and debris from entering the engine, ensuring clean air for combustion. Regular cleaning or replacement is vital for engine longevity and performance.
  • Oil Filter: The oil filter traps impurities in the engine oil, preventing wear and tear on engine components. Replace it during oil changes to maintain proper lubrication.
  • Fuel Filter: The fuel filter ensures clean fuel reaches the engine, preventing clogs and engine damage. Regular replacements are essential to avoid fuel-related issues.

b. Hydraulic System Parts:

  • Hydraulic Hoses: These hoses transport hydraulic fluid to various components like the loader, backhoe, and mower. Inspect for leaks and replace damaged hoses promptly to maintain hydraulic performance.
  • Hydraulic Fluid: Ensure you use the recommended hydraulic fluid and change it as per the maintenance schedule to prevent system failures.

c. Tires and Wheels:

  • Tire Maintenance: Check tire pressure regularly to ensure proper traction and stability. Worn-out or damaged tires should be replaced promptly.
  • Wheel Components: Inspect wheel bolts, rims, and lug nuts for tightness and wear. Replace any damaged or corroded parts to prevent accidents.

d. Transmission and Drivetrain:

  • Transmission Fluid: Change the transmission fluid at recommended intervals to prevent overheating and ensure smooth gear shifting.
  • Clutch and Belts: Regularly inspect the clutch and belts for signs of wear and adjust or replace them as needed to maintain proper transmission function.

e. Electrical System:

  • Battery: Clean and check the battery terminals for corrosion. Replace the battery if it no longer holds a charge.
  • Lights and Wiring: Ensure all lights are functioning correctly, and inspect wiring for damage or wear. Faulty electrical components can lead to safety hazards.

f. Attachments and Implements:

  • Blades and Cutting Components: Keep mower blades sharp and replace them when they become dull to maintain a clean cut.
  • Loader and Backhoe Attachments: Inspect for wear and tear on pins, bushings, and hydraulic components. Lubricate moving parts regularly to prevent corrosion.

Here are some essential parts for the BX2230:

  • Filters: Kubota offers a range of filters, including oil filters, fuel filters, and air filters, to keep your engine clean and running smoothly
  • Belts: Mower belts and other drive belts are crucial for the operation of your BX2230. Kubota’s genuine mower belts are designed to help your unit operate at peak performance
  • Lubricants: Using the right lubricants is essential for maintaining your tractor’s performance and extending its lifespan. Kubota offers a range of high-quality lubricants for various applications
  • Batteries: Kubota tractor batteries are designed to keep your equipment operating at peak performance. With more than 1,100 locations nationwide, you can trust Kubota’s experts to fit your equipment with the right power needs
  • Paints: If you need to touch up your BX2230’s paint or give it a fresh look, Kubota offers a range of paints that match the original factory colors

Maintenance Tips

To ensure your Kubota BX2230 remains in top-notch condition, follow these maintenance tips:

a. Regular Inspections: Conduct routine inspections to identify wear, damage, or loose components. Address issues promptly to prevent further damage.

b. Follow the Maintenance Schedule: Refer to the operator’s manual for the manufacturer’s recommended maintenance schedule. Adhering to this schedule ensures that you don’t miss important maintenance tasks.

c. Lubrication: Keep all moving parts well-lubricated to reduce friction and prevent premature wear. Use the specified lubricants recommended by Kubota.

d. Cleaning: Keep your tractor clean, removing dirt, debris, and grass clippings from engine and transmission components. This prevents overheating and ensures proper airflow.

e. Safety First: Always prioritize safety when working on your Kubota BX2230. Disconnect the battery, engage the parking brake, and use appropriate safety gear.

f. Store Properly: When not in use, store your tractor in a dry, covered area to protect it from the elements and prevent corrosion.

Kubota BX2230 Specs


  • Engine Type: Kubota D905-E2-D22 3-cylinder, liquid-cooled diesel engine
  • Engine Displacement: 0.898 liters (54.8 cubic inches)
  • Engine Gross Power: Approximately 22 horsepower (at the engine)
  • PTO Power: Approximately 17 horsepower (at the PTO)
  • Fuel Tank Capacity: Approximately 6.3 gallons (24 liters)


  • Transmission Type: Hydrostatic transmission
  • Number of Speeds: Infinite, 2 ranges (High and Low)
  • Maximum Forward Speed: Approximately 10.1 mph (16.3 km/h)
  • Maximum Reverse Speed: Approximately 7.8 mph (12.5 km/h)

PTO (Power Take-Off):

  • Rear PTO: Standard rear PTO with two-speed ranges (540 RPM and 2500 RPM)
  • Mid PTO: Optional mid PTO for attaching front-mounted implements


  • Hydraulic System: Open-center, dual-pump hydraulic system
  • Total Hydraulic Flow: Approximately 6.1 gpm (23.1 l/min)
  • 3-Point Hitch: Category I with a lift capacity of approximately 680 lbs (308.4 kg)


  • Front Tires: Typically 18×8.5-10 turf tires
  • Rear Tires: Typically 26×12.00-12 turf tires


  • Overall Length: Approximately 91.7 inches (233 cm)
  • Overall Width (with standard tires): Approximately 44.7 inches (113.5 cm)
  • Overall Height (with ROPS): Approximately 81.5 inches (207 cm)
  • Wheelbase: Approximately 55.1 inches (140 cm)
  • Ground Clearance: Approximately 6.9 inches (17.5 cm)


  • Approximate Operating Weight: Varies depending on attachments and configuration but generally around 1,300 to 1,400 lbs (590 to 635 kg)

Kubota BX2230 Parts Manual

You can find a Kubota BX2230 parts manual online or at your local Kubota dealer. The online manual is available in PDF format and can be downloaded and printed. The dealer manual is a hard copy that can be purchased.

The parts manual is a comprehensive guide to all of the parts that make up your Kubota BX2230. It includes diagrams, exploded views, and part numbers for all of the major components of your tractor. The manual also includes information on how to disassemble and assemble your tractor, as well as instructions on how to troubleshoot and repair common problems.

If you are looking for a specific part for your Kubota BX2230, you can use the parts manual to find the part number. Once you have the part number, you can order the part from your local Kubota dealer or online.

Here are some additional tips for using the Kubota BX2230 parts manual:

  • Use the index to find the section of the manual that contains the part you are looking for.
  • Look at the diagrams and exploded views to identify the part you are looking for.
  • Use the part number to order the part from your local Kubota dealer or online.
  • If you are unsure about how to disassemble or assemble your tractor, or how to troubleshoot and repair a problem, consult the manual or your local Kubota dealer for assistance.

Kubota BX2230 Parts Diagram

To find a parts diagram for a Kubota BX2230, you can use the following resources:

  • Messicks: Messicks offers a parts diagram for the Kubota BX2230D (4WD DSL TRA W/ROPS & S.B. W/O TIRES). You can select your diagram from the available categories, such as accessories and service parts, brake, cooling, etc. The parts manual for the BX1830D and BX2230 is also available
  • Kubota USA Shop: The Kubota Tractor RCK60B-22BX(BX1830 BX2230) parts are available for purchase online. You can browse through the OEM parts and find the necessary diagrams
  • Jacks Small Engines: This website provides exploded view parts lookup by model for the Kubota BX2230D. You can easily find the parts you need using their diagrams
  • Coleman Equipment: If you’re looking for genuine OEM parts for Kubota BX2230D Sub-Compact Tractors, Coleman Equipment offers them online and in-store. You can also view the parts diagram on their website
  • German-Bliss: For Kubota RCK54-22BX(BX1830 BX2230) MOWER Y10001 MOWER DECK parts and diagrams, you can visit the German-Bliss website.

Finding Replacement Parts

As your Kubota BX2230 ages, some parts will naturally wear out and need replacement. Finding genuine Kubota replacement parts is essential to maintain the tractor’s performance and longevity.

a. Kubota Dealerships: Authorized Kubota dealerships are the most reliable source for genuine replacement parts. They have access to the full range of Kubota parts and can provide expert advice.

b. Online Retailers: Many online retailers specialize in Kubota tractor parts. Ensure they are reputable and offer genuine parts before making a purchase.

c. Aftermarket Parts: While genuine Kubota parts are recommended, some aftermarket parts may be suitable for non-critical components. Exercise caution when considering aftermarket options, and always prioritize quality and compatibility.

d. Salvage Yards: In some cases, you might find used Kubota BX2230 parts in salvage yards. Ensure they are in good condition before purchasing and verify their compatibility with your tractor.

e. Manufacturer’s Website: Kubota’s official website often provides information on authorized dealers and an online parts lookup tool to help you find the right part numbers.

Kubota BX2230 Attachments

Some common attachments and implements that can be used with the Kubota BX2230 include:

  1. Front Loader: A front loader attachment allows you to lift and move materials such as dirt, gravel, mulch, and more. It’s ideal for digging and lifting tasks.
  2. Backhoe: A backhoe attachment provides digging capabilities for tasks like trenching, excavating, and digging holes. This attachment adds versatility to your BX2230.
  3. Mower Deck: Various mower deck sizes are available to help you maintain your lawn and keep it looking neat and well-manicured.
  4. Box Blade: A box blade attachment is used for leveling and grading tasks, such as creating or maintaining driveways, paths, and landscaping.
  5. Rotary Tiller: This attachment is used for tilling soil in gardens and landscaping projects, preparing the ground for planting.
  6. Snow Blower: A snow blower attachment is essential for clearing snow from driveways and pathways during the winter months.
  7. Front Blade: A front blade attachment can be used for pushing snow, dirt, or debris and can also be used for leveling surfaces.
  8. Post Hole Digger: Attach a post hole digger to dig holes for fence posts or other installations.
  9. Pallet Forks: Pallet forks allow you to lift and move pallets, logs, or other materials with ease.
  10. Grapple: Grapple attachments are used for handling loose materials like branches, leaves, and brush. They are great for cleaning up debris.
  11. Landscaping Rake: A landscaping rake attachment helps you level and prepare the ground for seeding or planting.
  12. Sprayer: Attach a sprayer for applying pesticides, herbicides, or other liquids to your crops or property.
  13. Seeder/Spreader: Seeder or spreader attachments are used for evenly distributing seeds, fertilizer, or other granular materials.
  14. Loader-mounted Broom: This attachment is useful for sweeping leaves, dirt, or debris from paved surfaces.
  15. Auger: Auger attachments are used for drilling holes for fence posts, signs, or other installations.

BX 2230 Kubota Part Numbers for the Fuel Solenoid

The fuel solenoid on a Kubota BX2230 is a component that controls the flow of fuel in the tractor’s fuel system.

It is responsible for shutting off the fuel supply when the engine is not running, preventing fuel from entering the combustion chamber and causing potential hazards.

The fuel solenoid is typically located on the fuel pump or the fuel injection system. Here are some key details about the fuel solenoid on a Kubota BX2230:

  • Part Numbers: The fuel solenoid for a Kubota BX2230 is available under various part numbers, including 16851-60014, 16851-60010, and 052600-4151
  • Compatibility: The fuel solenoid is compatible with different Kubota models, such as BX2230, BX2230D, RTV900R, RTV900T, B7410D, KX41-2, and BX2200D
  • Voltage: The fuel solenoid operates on a 12-volt electrical system
  • Function: The fuel solenoid manages the flow of fuel, ensuring efficient operation, quick starts, and smooth idling
  • Location: The fuel solenoid is typically located on the fuel pump or the fuel injection system, depending on the specific tractor model.

The fuel solenoid on a Kubota BX2230 has the following functions:

  • Fuel Flow Control: The primary function of the fuel solenoid is to control the flow of fuel in the tractor’s fuel system
    When the engine is running, the solenoid allows fuel to flow, ensuring a consistent supply for combustion. When the engine is turned off, the solenoid closes, cutting off the fuel supply and preventing fuel from entering the combustion chamber
  • Efficient Operation: By managing the fuel flow, the fuel solenoid helps maintain efficient engine operation. It ensures that the engine receives the appropriate amount of fuel for various operating conditions, such as idling, acceleration, and high-load situations.
  • Quick Starts: The fuel solenoid plays a crucial role in the starting process. When the ignition key is turned, the solenoid allows fuel to flow, enabling the engine to start quickly and smoothly.
  • Smooth Idling: The fuel solenoid helps maintain a stable idle speed by regulating the fuel flow during idle conditions. This ensures that the engine runs smoothly and avoids stalling.
  • Electrical Control: The fuel solenoid is controlled by an electrical signal from the tractor’s ignition system. When the ignition is turned on, the solenoid is energized, allowing fuel to flow. When the ignition is turned off, the solenoid is de-energized, closing the fuel flow and shutting down the engine
    The voltage for the fuel solenoid may come from a relay timer

    Some signs of a failing fuel solenoid on a Kubota BX2230 include:

    • Engine Stalling: If the fuel solenoid is not functioning correctly, it may not shut off the fuel supply when the engine is turned off. This can result in the engine not shutting down properly or experiencing intermittent stalling
    • Running Issues at Full Throttle and Under Load: A failing fuel solenoid may cause the engine to experience running issues, particularly when operating at full throttle and under load. This can manifest as sputtering, loss of power, or uneven performance
    • Inability to Start: A malfunctioning fuel solenoid may prevent the engine from starting or cause difficulty in starting. This can be due to a lack of fuel flow when the ignition is turned on
    • Blown Accessory Circuit Fuse: In some cases, a blown accessory circuit fuse can indicate a problem with the fuel solenoid. If the fuse is blown, the fuel shutoff solenoid may not activate, resulting in the tractor not shutting off properly
    • Lack of Clicking Sound: When the ignition key is turned on and off, a properly functioning fuel solenoid should produce a clicking sound as it is energized and de-energized. If there is no clicking sound, it may indicate a faulty solenoid.

    Kubota BX 2230 Hood

    Some common issues with opening the hood of a Kubota BX2230 tractor include:

    • Stiff or stuck hood latch: The hood latch may become stiff or stuck over time, making it difficult to release the hood. This can be caused by dirt, debris, or lack of lubrication. Regular maintenance and lubrication of the latch can help prevent this issue
    • Misalignment of the hood latch: If the hood latch is not properly aligned, it may not release the hood when the lever is pulled. This can be caused by wear and tear or improper installation. Adjusting the latch or seeking professional assistance may be necessary to resolve this issue
    • Lack of lubrication in the front axle: Some users have reported that the front axle’s slip joint area needs to be properly lubricated to allow the drive shaft to lengthen and shorten as the axle oscillates. Failure to do so may result in difficulty opening the hood.

    How to replace Kubota BX2230 Hydraulic Cylinder Seals

    Tools and Materials Needed:

    1. New hydraulic cylinder seals (make sure you have the correct replacement parts).
    2. Hydraulic fluid.
    3. Jack stands or a lift.
    4. Wrenches and socket set.
    5. Screwdrivers.
    6. Soft mallet.
    7. Hydraulic cylinder seal kit (optional but recommended).
    8. Clean rags.
    9. Hydraulic hose plugs (to prevent fluid leaks).

    Safety Precautions:

    1. Ensure the tractor is turned off and the key is removed from the ignition.
    2. Lower all implements and attachments to the ground.
    3. Relieve hydraulic pressure by moving the control levers back and forth several times.

    Step-by-Step Guide:

    1. Lift and Secure the Tractor:
      • Use jack stands or a lift to raise the tractor to a comfortable working height.
      • Ensure the tractor is stable and secure before proceeding.
    2. Locate the Hydraulic Cylinder:
      • Identify the hydraulic cylinder that needs seal replacement. Note its location and the hoses connected to it.
    3. Drain Hydraulic Fluid:
      • Place a drain pan beneath the cylinder to catch any leaking hydraulic fluid.
      • Disconnect the hydraulic hoses from the cylinder and allow the fluid to drain into the pan.
      • Cap or plug the open ends of the hoses to prevent contamination.
    4. Remove the Cylinder:
      • Use the appropriate wrenches and socket set to remove the bolts securing the cylinder to the tractor.
      • Carefully slide the cylinder out of its mount.
    5. Disassemble the Cylinder:
      • Depending on the design, you may need to remove the cylinder end cap or head to access the seals.
      • Use a soft mallet or a rubber hammer to gently tap the end cap off if needed.
      • Carefully disassemble the cylinder components, taking note of their order and orientation.
    6. Replace the Seals:
      • Remove the old seals and replace them with new ones from the seal kit.
      • Lubricate the new seals with hydraulic fluid before installing them.
      • Ensure proper alignment and orientation of the seals according to the cylinder’s design and your tractor’s manual.
    7. Reassemble the Cylinder:
      • Reassemble the cylinder components in the reverse order of disassembly.
      • Make sure all parts fit snugly and correctly.
    8. Reattach the Cylinder:
      • Slide the cylinder back into its mount on the tractor.
      • Secure it with the bolts, tightening them to the manufacturer’s specifications.
    9. Reconnect Hydraulic Hoses:
      • Reconnect the hydraulic hoses to the cylinder.
      • Ensure proper tightness and secure any fittings.
    10. Refill Hydraulic Fluid:
      • Fill the hydraulic system with the appropriate hydraulic fluid to the recommended level.
    11. Check for Leaks:
      • Turn on the tractor and check for any hydraulic fluid leaks around the cylinder and connections.
      • If there are any leaks, address them immediately.
    12. Test the Cylinder:
      • Operate the hydraulic system to test the cylinder’s functionality.
      • Check for smooth operation and proper sealing.
    13. Lower the Tractor:
      • Lower the tractor from the jack stands or lift.

    Always refer to your Kubota BX2230’s manual for specific instructions and torque specifications, as they can vary between models and years. If you’re not comfortable or experienced with hydraulic system maintenance, it’s advisable to seek assistance from a qualified technician or dealer to ensure the job is done correctly and safely.