Kubota B2320 Parts and Parts Manual PDF

Kubota B2320 Parts

The Kubota B2320 is a versatile compact tractor designed for various agricultural tasks. Powered by a reliable 23 horsepower engine, it offers a hydrostatic transmission for easy operation.

With a 3-point hitch and rear PTO, it can handle a range of implements, from mowers to loaders. The tractor features four-wheel drive, ensuring stability and traction in diverse terrains.

Its compact size and ergonomic design make it manoeuvrable and user-friendly. Equipped with a comfortable operator station, the B2320 provides efficient controls and visibility.

Kubota B2320 Parts Diagram

You can find the parts diagram for the Kubota B2320 at several online sources.

Websites like Coleman Equipment, Messicks, PartsByNet, and Kubota Canada offer parts diagrams for the B2320, allowing you to select a diagram and view the details of the parts. You can use these resources to locate the specific parts you need for your Kubota B2320 tractor.

You can find the parts diagram for the Kubota B2320 online at the following sources:

  1. Messicks provides parts diagrams for the Kubota B2320 and its front loader, the LA304.
  2. Another parts diagram for the Kubota B2320HSD (Hydrostatic Transmission, 4wd /Rops) can be found on the Messicks website here.
  3. The Kubota Canada website offers a parts finder tool that allows you to search and view parts in detail, alongside specifications and order numbers.
  4. Additionally, PartsByNet provides a free Kubota parts lookup tool where you can insert your model number to search for diagrams and part numbers.

You can order Kubota B2320 parts online from various sources. Here are a few options:

  1. Koop van der Wal – You can order parts from their website and make safe payments through iDeal & Creditcard.
  2. MalpasOnline – They offer a wide range of Kubota B2320 parts listed by product category, and you can order directly from their website.
  3. PartsByNet – They provide a free Kubota parts lookup tool where you can search for diagrams and part numbers. You can also contact them to check pricing and verify availability.
  4. MalpasDirect – This is another online supplier where you can find and order tractor parts, including those for the Kubota B2320.

Kubota B2320 Weight

The Kubota B2320 tractor has an approximate operating weight of around 1,600 to 1,700 pounds (725 to 771 kg), depending on specific configurations and optional equipment.

Kubota B2320 Owners Manual

  1. Introduction: Overview of the tractor model, its features, and general information.
  2. Safety Precautions: Guidelines and safety measures to ensure safe operation.
  3. Controls and Instruments: Explanation of the tractor’s controls, dashboard, and instrumentation.
  4. Operation: Instructions on how to operate the tractor, including starting, stopping, and basic maneuvers.
  5. Maintenance: Guidelines for routine maintenance tasks, such as fluid checks, filter replacements, and lubrication.
  6. Troubleshooting: Common issues, their possible causes, and troubleshooting steps.
  7. Specifications: Technical specifications, including engine details, dimensions, and weight.
  8. Attachments and Accessories: Information on compatible implements, attachments, and accessories.
  9. Warranty Information: Details about the tractor’s warranty coverage and terms.
  10. Index: An index to help users quickly locate specific information in the manual.

Kubota B2320 Attachments

Some common attachments for the Kubota B2320 include:

  1. Front-end Loader: Allows for lifting and transporting materials, such as soil, gravel, or mulch.
  2. Backhoe: Adds digging capabilities to the tractor, making it useful for excavation and trenching.
  3. Mid-Mount Mower: Attaches underneath the tractor for mowing grass and maintaining lawns.
  4. Box Blade: Ideal for grading and leveling uneven surfaces.
  5. Rotary Tiller: Used for soil preparation and cultivation in gardens or fields.
  6. Snow Blower: Clears snow from driveways and pathways during winter.
  7. Post Hole Digger: Designed for digging holes for fence posts or other purposes.
  8. Land Pride Implements: Various implements like rotary cutters, rear blades, and landscape rakes designed for different tasks.
  9. Sprayers: Used for applying pesticides, herbicides, or fertilizers to crops.

Kubota B2320 Backhoe Attachment

Key features of the Kubota B2320 backhoe attachment include:

  1. Digging Depth: The backhoe attachment is designed to provide a specific digging depth, allowing users to excavate for various applications.
  2. Hydraulic Controls: Hydraulic controls enable the operator to manipulate the movement of the backhoe arm and bucket for precise digging.
  3. Swing Arc: The backhoe often has a swing arc, allowing it to rotate for improved positioning and flexibility in tight spaces.
  4. Quick Attach/Detach: Some backhoe attachments are designed for quick attachment and detachment, allowing users to switch between different implements easily.
  5. Stabilizer Legs: Stabilizer legs provide additional stability when operating the backhoe, especially during digging.

Kubota B2320 Oil Filter

The oil filter on a Kubota B2320 should be replaced as part of the regular maintenance schedule. The specific interval for replacing the oil filter can be found in the owner’s manual for the B2320.

Typically, oil filters are replaced during each oil change, which is generally recommended every 100 to 200 hours of use or at least once a year, depending on the operating conditions and the type of oil used.

It’s important to follow the manufacturer’s guidelines for maintenance to ensure the proper functioning and longevity of the tractor.

You can purchase an oil filter for the Kubota B2320 from various online retailers such as eBay and Amazon. Here are a few options:

  1. eBay:
    • Listing: Oil Filter For Kubota B2320 B2400
    • Condition: New
    • Quantity: More than 10 available
    • Manufacturer Part Number: 120-360
    • Brand: Stens
  2. Amazon:
    • Listing: CFKIT Maint. Filter Kit Compatible with Kubota B2320 B2620 B2920 HST HSD Tractor
    • This kit includes filters compatible with the Kubota B2320.
  3. PartandFilters.com:
    • They offer a maintenance kit for the Kubota B2320, which includes various filters such as oil, fuel, and lube filters.

Kubota B2320 Horsepower

The Kubota B2320 tractor is typically equipped with a 23 horsepower engine. This power output provides the tractor with sufficient strength for various agricultural and landscaping tasks, making it suitable for small to medium-sized operations.
The engine’s design and efficiency contribute to the overall performance of the B2320, offering reliable power for tasks such as mowing, tilling, and hauling.

Kubota B2320 Review

The Kubota B2320 is generally well-received for its compact design, versatility, and reliability. Owners appreciate its 23 horsepower engine, which provides ample power for various tasks.

The hydrostatic transmission offers smooth and easy operation, making it suitable for users with varying levels of experience. Its compatibility with a range of attachments, such as loaders and mowers, adds to its versatility for different applications.

The tractor’s stability, four-wheel drive, and comfortable operator station contribute to its overall positive reviews. However, individual experiences may vary, so it’s advisable to consider specific needs and tasks when evaluating the Kubota B2320.


  1. Versatility: The B2320 is versatile, compatible with various attachments for different tasks, from mowing to digging.
  2. Compact Design: Its compact size makes it maneuverable in tight spaces and easy to store.
  3. Reliable Engine: The 23 horsepower engine provides sufficient power for a range of agricultural and landscaping applications.
  4. Hydrostatic Transmission: The hydrostatic transmission offers smooth and easy operation, suitable for users with different skill levels.
  5. Four-Wheel Drive: Provides stability and traction in diverse terrains, enhancing overall performance.
  6. Comfortable Operator Station: Ergonomic design and controls contribute to a comfortable and user-friendly experience.


  1. Limited Power for Heavy-Duty Tasks: While sufficient for many tasks, the 23 horsepower may be limiting for more demanding or heavy-duty applications.
  2. Cost: Kubota tractors, including the B2320, may have a higher upfront cost compared to some competitors.
  3. Complexity of Features: The tractor’s numerous features may be overwhelming for users who are new to compact tractors.
  4. Maintenance Costs: Some users may find maintenance costs relatively high, especially when considering genuine Kubota parts and service.
  5. Noise Level: As with many tractors, noise levels during operation may be a concern for some use.

Kubota B2320 Battery

The Kubota B2320 tractor typically uses a 12-volt battery. While the specific group size may vary, there are indications that the Group 51R and Group 26R batteries have been used in Kubota B2320 tractors.
To ensure the correct battery size for your B2320, it is recommended to consult the owner’s manual or contact a Kubota dealer for the most accurate information.
A fully charged 12V battery will test 12.6 volts (2.1 volts per cell).
the standard amperage for a 12-volt battery in a compact tractor like the B2320 is often in the range of 300 to 500 cold cranking amps (CCA).
For the specific amperage of the battery in the Kubota B2320, it is recommended to refer to the owner’s manual or contact a Kubota dealer for accurate information.

Kubota B2320 Service Manual PDF

  1. General Information: Overview of the tractor model, specifications, and identification information.
  2. Maintenance: Detailed instructions for routine maintenance tasks, including fluid changes, filter replacements, and lubrication.
  3. Engine: In-depth information on the tractor’s engine, covering diagnostics, adjustments, and overhaul procedures.
  4. Fuel System: Details on the fuel system, including the fuel injection system, fuel pump, and troubleshooting.
  5. Cooling System: Information on the radiator, thermostat, water pump, and procedures for cooling system maintenance.
  6. Electrical System: Comprehensive coverage of the tractor’s electrical components, wiring diagrams, and troubleshooting procedures.
  7. Clutch: Details on the clutch system, including adjustments, replacement, and troubleshooting.
  8. Transmission: Information on the transmission, including troubleshooting, adjustments, and repair procedures.
  9. Front Axle and Steering: Coverage of the front axle, steering system, and related components.
  10. Rear Axle: Information on the rear axle, differential, and related components.
  11. Brakes: Details on the tractor’s brake system, including adjustments, troubleshooting, and replacement procedures.
  12. Hydraulic System: Coverage of the hydraulic system, including the pump, valves, and maintenance procedures.
  13. PTO (Power Take-Off): Information on the tractor’s PTO system and its components.
  14. Troubleshooting: Common issues, their possible causes, and diagnostic procedures.
  15. Specifications: Technical specifications, torque values, and other relevant data.
  16. Index: An index to help users quickly locate specific information within the manual.

Kubota B2320 HST

The “HST” in Kubota B2320 HST stands for Hydrostatic Transmission. The Kubota B2320 HST is equipped with a hydrostatic transmission, which is a type of transmission that uses hydraulic fluid to transfer power from the engine to the wheels. This system provides seamless and infinitely variable speed control, allowing for smooth and easy operation.

Key features of the Kubota B2320 HST with hydrostatic transmission include:

  1. Hydrostatic Control: The hydrostatic transmission allows for precise control of speed and direction through the use of pedals or a lever.
  2. Smooth Operation: The absence of gears in a hydrostatic transmission results in smoother acceleration and deceleration.
  3. Ease of Use: Hydrostatic transmissions are often considered user-friendly, making them suitable for operators with varying levels of experience.
  4. Efficiency: Hydrostatic transmissions are known for their efficiency, as they can maintain constant speed without the need for shifting gears.
  5. Forward and Reverse Operation: The hydrostatic transmission allows for easy and quick transition between forward and reverse movements.

Kubota B2320 Mower Deck

The Kubota B2320 tractor is compatible with various mower deck attachments, allowing users to efficiently mow lawns, fields, or other areas. The specific mower deck options may vary based on the model year and configuration.

Common features and specifications for the mower deck attachments for the Kubota B2320 include:

  1. Cutting Width: The mower decks come in different cutting widths, allowing users to choose the size that best suits their needs. Common sizes include 54 inches, 60 inches, or other variations.
  2. Deck Construction: Mower decks are typically constructed from durable materials to withstand the rigors of mowing, and they may feature a durable steel construction.
  3. Cutting Height Adjustment: Mower decks often offer multiple cutting height adjustments, allowing users to customize the cutting height based on the desired grass length.
  4. Mounting System: The mower deck is mounted to the tractor using a compatible mounting system, and it may be designed for quick and easy attachment and detachment.
  5. Blades: Mower decks are equipped with sharp blades that efficiently cut through grass, providing a clean and even mowing result.

Kubota B2320 Problems

Some common problems reported by users may include:

  1. Starting Issues: Problems with starting could be related to issues with the battery, starter, or fuel system.
  2. Hydraulic Leaks: Users have reported hydraulic fluid leaks, which may be due to damaged hoses, seals, or fittings.
  3. Overheating: Overheating can occur if the cooling system is not functioning properly, possibly due to a malfunctioning thermostat or a clogged radiator.
  4. Transmission Issues: Some users have experienced problems with the hydrostatic transmission, such as loss of power or difficulty in changing speed.
  5. Electrical Problems: Issues with the electrical system, such as faulty wiring or components, may lead to problems with lights, gauges, or other electrical features.
  6. Starter Motor Problems: Users have reported issues with the starter motor not engaging or starting the engine.
  7. Fuel System Troubles: Problems with the fuel system, including clogged fuel filters or issues with the fuel pump, can lead to performance issues.

Kubota B2320 Hydraulic Leaks

Hydraulic leaks on a Kubota B2320 can be a common issue and are often attributed to damaged hoses, seals, or fittings within the hydraulic system. Here are some steps to address hydraulic leaks:

  1. Locate the Leak: Identify the source of the hydraulic leak. Inspect the hydraulic hoses, connections, and hydraulic components for any visible signs of oil or wetness.
  2. Tighten Fittings: Ensure that all hydraulic fittings are securely tightened. Loose fittings can contribute to leaks. Use the appropriate tools to tighten any loose connections.
  3. Inspect Hoses: Check the hydraulic hoses for signs of wear, damage, or cracks. If any hoses are damaged, they may need to be replaced.
  4. Examine Seals: Hydraulic cylinders and other components have seals that can degrade over time. Inspect these seals for any visible damage or wear. Damaged seals may need to be replaced.
  5. Replace O-Rings: O-rings are common components in hydraulic systems. If you find damaged or worn O-rings, replace them with new ones.
  6. Check Hydraulic Fluid Level: Ensure that the hydraulic fluid level is within the recommended range. Low fluid levels can lead to air entering the system, causing leaks.
  7. Consult the Manual: Refer to the Kubota B2320 owner’s manual for specific guidance on troubleshooting hydraulic issues and locating components in the hydraulic system.

Kubota B2320 Transmission Problems

Here are some common steps to troubleshoot transmission problems:

  1. Check Fluid Levels: Ensure that the transmission fluid level is within the recommended range. Low fluid levels can lead to improper transmission operation.
  2. Inspect for Leaks: Look for any signs of transmission fluid leaks. Leaks could be from damaged hoses, seals, or other components. Addressing leaks promptly is crucial.
  3. Fluid Quality: Check the condition of the transmission fluid. If it appears dirty or has a burnt smell, it may be a sign that the fluid needs to be changed.
  4. Filter Inspection: Some transmissions have a filter that can become clogged. If your B2320 has a transmission filter, inspect it and replace it if necessary.
  5. Throttle and Pedal Operation: Ensure that the throttle and pedal mechanisms are functioning correctly. Problems with these components can affect transmission performance.
  6. Transmission Linkage: Inspect the transmission linkage for any misalignment or damage. Proper linkage is crucial for smooth transmission operation.
  7. Consult the Manual: Refer to the Kubota B2320 owner’s manual for specific information on troubleshooting transmission issues and adjusting transmission settings.
  8. Professional Inspection: If the issue persists or if you’re unsure about performing repairs, it’s recommended to seek assistance from a qualified technician or contact a Kubota dealership for professional service.