Kubota BX2670 Parts and Parts Manual PDF

Kubota BX2670 Parts

The Kubota BX2670-1 is a versatile compact tractor designed for residential and small-scale agricultural use. With a 26 horsepower diesel engine, it offers reliable power for various tasks.

Equipped with a hydrostatic transmission, it ensures smooth operation and precise control. Its three-point hitch allows for easy attachment of implements, while the independent PTO enables efficient power transfer.

The tractor features a comfortable operator platform with ergonomic controls for enhanced usability. Additionally, its four-wheel drive and power steering provide maneuverability and traction on diverse terrains.

Kubota BX2670 Parts Manual PDF


  1. Introduction: Overview of the manual, including safety precautions and general information.
  2. Engine Parts: Detailed diagrams and lists of components related to the engine, such as the fuel system, cooling system, and air intake.
  3. Transmission and Drivetrain Parts: Breakdown of parts related to the transmission, clutch, drive shafts, and axles.
  4. Hydraulic System Parts: Diagrams and lists of components related to the hydraulic system, including the hydraulic pump, cylinders, and hoses.
  5. Chassis and Body Parts: Sections covering parts related to the chassis, frame, body panels, and other structural components.
  6. Electrical System Parts: Breakdown of electrical components, such as wiring harnesses, switches, lights, and gauges.
  7. Implement Attachments: Sections covering parts specific to any implements or attachments compatible with the BX2670.
  8. Index: Alphabetical list of parts and their corresponding page numbers for easy reference.

Kubota BX2670 Service Manual


  1. Introduction: Overview of the manual, including safety precautions, general information, and specifications.
  2. Engine Service: Procedures for servicing the engine, including maintenance, troubleshooting, and repair of components such as the fuel system, cooling system, and air intake.
  3. Transmission and Drivetrain Service: Instructions for servicing the transmission, clutch, drive shafts, and axles, including fluid changes, adjustments, and troubleshooting.
  4. Hydraulic System Service: Procedures for servicing the hydraulic system, including maintenance of the hydraulic pump, cylinders, hoses, and fluid.
  5. Chassis and Body Service: Instructions for servicing the chassis, frame, body panels, and other structural components, including repairs and adjustments.
  6. Electrical System Service: Procedures for servicing the electrical system, including wiring diagrams, troubleshooting, and repair of components such as switches, lights, and gauges.
  7. Troubleshooting: A section dedicated to diagnosing and resolving common issues and problems with the tractor.
  8. Maintenance Schedule: Recommended maintenance intervals and procedures for keeping the tractor in optimal condition.
  9. Special Tools: List of special tools recommended for servicing the tractor.
  10. Index: Alphabetical list of topics and procedures for quick reference.

Kubota BX2670 Parts List

  1. Engine: The BX2670 is powered by a diesel engine, typically around 26 horsepower, providing the necessary power for various tasks.
  2. Transmission: It features a hydrostatic transmission system, allowing for smooth and precise control of speed and direction.
  3. Hydraulic System: The tractor is equipped with a hydraulic system for operating attachments such as loaders, mowers, and backhoes.
  4. Three-Point Hitch: The three-point hitch system allows for easy attachment of implements such as rear blades, box scrapers, and rotary tillers.
  5. Power Take-Off (PTO): The independent PTO allows for efficient transfer of power to attachments such as mowers and rotary tillers.
  6. Chassis and Frame: The chassis and frame provide the structural support for the tractor, ensuring durability and stability during operation.
  7. Wheels and Tires: The BX2670 typically comes with four-wheel drive for enhanced traction, along with appropriately sized tires for various terrains.
  8. Operator Platform: It features an ergonomic operator platform with controls for easy operation and comfort during long hours of use.
  9. Electrical System: The electrical system includes components such as the battery, alternator, lights, and gauges, ensuring reliable performance and safety.
  10. Body Panels: Various body panels and covers protect internal components and provide access for maintenance and servicing.

Kubota BX2670 Parts Diagram

You can find the parts diagram for the Kubota BX2670 on several websites, including Messicks, Jacks Small Engines, Coleman Equipment, and Nova International. These diagrams provide an exploded view of the tractor’s components, making it easier to identify and order the necessary parts. You can use these resources to locate specific parts and understand how they fit together in your Kubota BX2670.

You can find the Kubota BX2670 parts manual on the following websites:

  1. ManualsLib: Offers the Kubota BX2670 Workshop Manual and Operator’s Manual for free PDF download
  2. Jacks Small Engines: Provides exploded view parts diagrams for the Kubota BX2670, making it easy to locate and understand the various components.
  3. Messicks: Offers the Kubota BX2670 Parts Diagrams and other related manuals for purchase
  4. Nova International: Sells the BX2670 Parts Manual and is a certified Kubota parts dealer with fast shipping across Canada

Kubota BX2670 Attachments

Some common attachments for the Kubota BX2670 include:

  1. Front Loader: A front-end loader attachment enables the tractor to lift and move materials such as soil, gravel, and mulch. It’s useful for landscaping, construction, and agricultural tasks.
  2. Mower Deck: A mid-mount mower deck allows the tractor to cut grass and maintain lawns with precision. Various widths are available to suit different mowing needs.
  3. Backhoe: A backhoe attachment provides digging capabilities for tasks such as trenching, excavating, and landscaping.
  4. Snowblower: A snowblower attachment allows the tractor to clear snow from driveways, sidewalks, and other areas during winter months.
  5. Box Blade: A box blade attachment is useful for leveling, grading, and smoothing surfaces such as driveways, gravel roads, and fields.
  6. Rotary Tiller: A rotary tiller attachment is ideal for preparing soil for planting by breaking up and loosening compacted soil.
  7. Post Hole Digger: A post hole digger attachment allows the tractor to dig holes for fence posts, sign posts, and other installations.
  8. Forks: Fork attachments enable the tractor to lift and transport pallets, logs, and other bulky items.

Kubota BX2670 Implements

Here are some common implements that can be used with the Kubota BX2670:

  1. Rotary Mower: Ideal for cutting grass and vegetation on lawns, fields, and other areas. It ensures a clean and even cut.
  2. Front Blade: Used for snow removal, pushing debris, and leveling surfaces. It’s especially useful for clearing driveways and pathways.
  3. Rear Blade: Similar to the front blade, the rear blade is used for grading, leveling, and clearing debris. It can be angled to push material to the side.
  4. Box Scraper: Perfect for grading, leveling, and spreading materials such as gravel, soil, and sand. It can be adjusted to achieve the desired depth and finish.
  5. Post Hole Digger: Used for digging holes for fence posts, sign posts, and other installations. It comes with various auger sizes to accommodate different post diameters.
  6. Tiller: Ideal for preparing soil for planting by breaking up and aerating compacted soil. It’s commonly used in garden and landscaping applications.
  7. Loader Bucket: Essential for lifting, carrying, and moving materials such as soil, mulch, gravel, and debris. It’s compatible with the front-end loader attachment.
  8. Pallet Forks: Used for lifting and transporting pallets, logs, and other bulky items. They are commonly used in agricultural, construction, and warehouse settings.
  9. Rear Three-Point Hitch Implements: Various implements such as seed spreaders, cultivators, and harrows can be attached to the rear three-point hitch for tasks such as seeding, cultivation, and soil preparation.

Kubota BX2670 Mower Deck

The Kubota BX2670 is typically compatible with various mower deck options, allowing owners to maintain lawns and grassy areas with ease. Here are some key features and specifications of the mower deck commonly used with the Kubota BX2670:

  1. Cutting Width: Mower decks for the Kubota BX2670 are available in different cutting widths, typically ranging from 48 inches to 60 inches. The choice of cutting width depends on the user’s preference and the size of the area to be mowed.
  2. Deck Design: The mower deck is designed to provide efficient cutting performance and durability. It usually features a durable steel construction with reinforced edges for added strength.
  3. Height Adjustment: Most mower decks for the Kubota BX2670 offer multiple height adjustment settings, allowing users to adjust the cutting height to suit their specific mowing needs.
  4. Cutting Blades: The mower deck is equipped with high-quality cutting blades that deliver clean and precise cutting results. These blades are designed to withstand the rigors of regular mowing and provide long-lasting performance.
  5. Mounting System: The mower deck typically attaches to the tractor’s mid-mount position using a reliable mounting system. This ensures secure attachment and proper alignment for optimal cutting performance.
  6. Compatibility: The mower deck is specifically designed to be compatible with the Kubota BX2670 tractor, ensuring seamless integration and reliable operation.

Kubota BX2670 Oil Filter

The Kubota BX2670 typically uses the Kubota HH150-32430 oil filter. This filter is designed specifically for Kubota engines and is compatible with various models, including the BX2670.

How to change the fuel filter on a Kubota BX2670

Changing the fuel filter on a Kubota BX2670 involves a straightforward process. Here’s a general guide to help you through the steps:

  1. Gather Supplies: Before starting, gather the necessary supplies, including a new fuel filter, rags, safety glasses, and a container to catch any spilled fuel.
  2. Prepare the Tractor: Ensure the tractor is parked on a level surface and turn off the engine. Let it cool down if it has been running.
  3. Locate the Fuel Filter: The fuel filter is typically located along the fuel line, usually between the fuel tank and the engine. On the Kubota BX2670, it may be situated near the fuel tank or close to the engine.
  4. Relieve Pressure: Before removing the fuel filter, relieve any pressure in the fuel system by slowly loosening the vent or bleed screw on the filter housing. Be cautious as some fuel may spill out.
  5. Remove the Old Filter: Use a wrench or socket to loosen the fittings securing the fuel lines to the filter. Have a rag handy to catch any fuel that may drip out. Once the fittings are loosened, carefully detach the fuel lines from the old filter.
  6. Replace the Filter: Remove the old fuel filter from the filter housing. Dispose of it properly. Install the new fuel filter into the housing, ensuring it is seated securely.
  7. Reconnect Fuel Lines: Reattach the fuel lines to the new filter, making sure they are tightened securely. Double-check the connections to prevent leaks.
  8. Bleed the System: If necessary, bleed any air from the fuel system according to the manufacturer’s instructions. This may involve opening the bleed screw or priming the fuel system.
  9. Check for Leaks: Start the engine and let it run for a few minutes. Check for any signs of fuel leaks around the filter housing and fittings.
  10. Dispose of Old Filter: Dispose of the old fuel filter properly, following local regulations for hazardous waste disposal.

How to clean the air filter on a Kubota BX2670

Here’s a general guide on how to clean the air filter:
  1. Park the Tractor: Park the tractor on a level surface and turn off the engine. Allow the engine to cool down before proceeding.
  2. Locate the Air Filter: The air filter on the Kubota BX2670 is typically located in the engine compartment, near the intake manifold. Refer to your tractor’s manual for the exact location if you’re unsure.
  3. Remove the Air Filter Cover: Depending on the design, you may need to remove screws or latches to access the air filter. Carefully remove the cover to reveal the air filter element.
  4. Inspect the Air Filter: Before cleaning, inspect the air filter for excessive dirt, debris, or damage. If the filter is heavily clogged or damaged, it may need to be replaced instead of cleaned.
  5. Clean the Air Filter: If the air filter is reusable, it can be cleaned using compressed air or by gently tapping it to dislodge loose dirt and debris. Start by using compressed air to blow out any debris from the filter element. Be sure to blow air from the clean side of the filter to the dirty side to avoid pushing debris further into the filter. Alternatively, you can gently tap the filter against a solid surface to dislodge dirt.
  6. Inspect the Filter Housing: While the air filter is removed, inspect the filter housing for any signs of dirt or debris. Use a clean cloth or brush to remove any buildup.
  7. Reinstall the Air Filter: Once the air filter is clean and dry, carefully reinstall it into the filter housing. Ensure it is properly seated and that the cover is securely fastened to prevent any air leaks.
  8. Perform a Test Run: Start the engine and let it run for a few minutes to ensure everything is functioning correctly. Check for any abnormal sounds or issues.
  9. Record Maintenance: Keep a record of when the air filter was cleaned or replaced for future reference and to ensure timely maintenance.

Kubota BX2670 Problems

Here are some common problems reported by owners:
  1. Starting Issues: Difficulty starting the engine, which could be caused by fuel system issues, battery problems, or other electrical issues.
  2. Hydraulic Leaks: Hydraulic fluid leaks from hoses, fittings, or other components in the hydraulic system, leading to reduced performance or functionality of attachments.
  3. Overheating: Overheating of the engine due to clogged radiator, malfunctioning cooling fan, or low coolant levels.
  4. Electrical Problems: Issues with electrical components such as lights, gauges, or switches, which may be caused by wiring faults, blown fuses, or faulty components.
  5. Transmission Problems: Transmission issues such as slipping, rough shifting, or failure to engage gears, which may require adjustments or repairs.
  6. Fuel System Issues: Problems with the fuel system, including clogged fuel filters, contaminated fuel, or injector problems, leading to poor engine performance or stalling.
  7. PTO Malfunction: Failure of the power take-off (PTO) system to engage or disengage properly, preventing the operation of attachments.
  8. Steering Problems: Difficulty steering or loss of steering control, which could be caused by low hydraulic fluid levels, worn steering components, or improper adjustments.
  9. Tire Damage: Punctures, flats, or tire damage due to sharp objects or rough terrain, requiring tire replacement or repair.
  10. Vibration or Noise: Unusual vibrations or noises from the engine, transmission, or other components, indicating potential mechanical issues that need to be addressed.

Hydraulic Leaks:

Here are some steps to diagnose and address hydraulic leaks:

  1. Identify the Source: Carefully inspect the tractor for any signs of hydraulic fluid leaks. Common areas to check include hydraulic hoses, fittings, cylinders, and the hydraulic pump. Look for visible signs of fluid accumulation or wet spots.
  2. Inspect Hydraulic Hoses: Check hydraulic hoses for signs of wear, damage, or loose connections. Look for cracks, abrasions, or bulges in the hoses. Tighten any loose fittings and replace damaged hoses as needed.
  3. Check Hydraulic Fittings: Inspect hydraulic fittings for signs of leaks, such as loose connections or damaged seals. Tighten loose fittings and replace any damaged seals or fittings.
  4. Examine Hydraulic Cylinders: Inspect hydraulic cylinders for signs of leaks around the seals and piston rods. Look for hydraulic fluid seeping out from the cylinder seals. If there are visible leaks, the cylinder seals may need to be replaced.
  5. Check Hydraulic Pump: Inspect the hydraulic pump for leaks around the housing and fittings. Look for signs of hydraulic fluid pooling or dripping from the pump. If the pump is leaking, it may need to be repaired or replaced.
  6. Address the Leak: Once the source of the hydraulic leak is identified, take appropriate measures to address it. This may involve tightening fittings, replacing hoses or seals, or repairing/replacing damaged components.
  7. Clean Up Spilled Fluid: If hydraulic fluid has leaked onto the tractor or the ground, clean it up promptly to prevent environmental contamination and slipping hazards.
  8. Monitor for Recurrence: After addressing the hydraulic leak, monitor the hydraulic system for any signs of recurrence. Periodically check for leaks during routine maintenance to catch and address any issues early.

Transmission Problems:

Here are some common transmission issues and steps to resolve them:

  1. Slipping Transmission: If the transmission slips, meaning it fails to maintain consistent power delivery to the wheels, it could be due to low transmission fluid levels, worn clutch plates, or hydraulic issues.
    • Check Fluid Levels: Ensure the transmission fluid level is correct according to the manufacturer’s specifications. Top up the fluid if necessary.
    • Inspect for Leaks: Look for signs of transmission fluid leaks around the transmission housing, hoses, and fittings. Address any leaks promptly.
    • Inspect Clutch Plates: Worn clutch plates can cause slipping. If the transmission fluid is dark or has a burnt smell, it may indicate worn clutch plates. In this case, the clutch plates may need to be replaced.
  2. Rough Shifting: If the transmission shifts roughly or hesitates when changing gears, it could be due to improper fluid levels, worn clutch plates, or hydraulic issues.
    • Check Fluid Levels: Ensure the transmission fluid is at the correct level. Low fluid levels can cause shifting problems.
    • Inspect Clutch Plates: Worn or damaged clutch plates can cause rough shifting. Inspect the clutch plates for wear and replace if necessary.
    • Check Hydraulic System: Hydraulic issues such as air in the system or a malfunctioning hydraulic pump can affect transmission performance. Check the hydraulic system for leaks and proper operation.
  3. Failure to Engage Gears: If the transmission fails to engage gears or experiences difficulty shifting, it could be due to hydraulic issues, worn clutch plates, or linkage problems.
    • Inspect Hydraulic System: Check the hydraulic system for proper operation and any signs of leaks. Address any hydraulic issues promptly.
    • Check Clutch Plates: Worn or damaged clutch plates can prevent gears from engaging properly. Inspect the clutch plates and replace if necessary.
    • Inspect Linkage: Check the transmission linkage for any signs of damage or misalignment. Adjust or replace the linkage as needed.
  4. Strange Noises or Vibrations: Unusual noises or vibrations from the transmission can indicate worn or damaged components, such as gears, bearings, or shafts.
    • Inspect Components: Inspect the transmission components for signs of wear, damage, or misalignment. Replace or repair any worn or damaged parts.
    • Check Fluid Condition: Check the condition of the transmission fluid. Dark or contaminated fluid can indicate internal transmission problems.