Kubota B7100 Parts and Parts Manual PDF

Kubota B7100 Parts

When it comes to reliable and versatile compact tractors, the Kubota B7100 stands out as a top choice for many farmers and landowners.

This compact tractor has proven its worth over the years, offering powerful performance and unmatched durability. However, like any piece of machinery, regular maintenance and occasional repairs are necessary to keep it running smoothly.

In this article, we will explore everything you need to know about Kubota B7100 parts, from diagrams and manuals to specific components and attachments.

Kubota B7100 Parts Diagram

Understanding the components of your Kubota B7100 is crucial for maintenance and repairs. A parts diagram provides a visual representation of the tractor’s structure, making it easier to identify and locate specific parts. You can find Kubota B7100 parts diagrams in your tractor’s manual, which is an invaluable resource for any owner.

Kubota B7100 Parts Manual PDF

In addition to the parts diagram, the Kubota B7100 parts manual is a comprehensive guide that provides detailed information on every part of your tractor.

This manual is available in PDF format, making it easy to access and search for specific information. You can use the manual to identify, order, and replace parts as needed, ensuring the longevity of your B7100.

The manual is typically organized into sections to help users find the information they need efficiently. Here are the sections you might find in a Kubota B7100 Parts Manual:

  1. Table of Contents:
    • The table of contents provides an overview of the manual’s sections and the topics covered in each section. It serves as a roadmap for users to navigate the manual.
  2. Introduction:
    • The introduction section may offer an overview of the Kubota B7100 tractor, its specifications, and the importance of proper maintenance and parts replacement.
  3. Safety Precautions:
    • This section focuses on safety guidelines and precautions that users should follow when working with the tractor’s parts and components. It emphasizes the importance of safe practices.
  4. General Information:
    • In this section, you may find general information about the tractor, including its features, design, and the significance of regular maintenance.
  5. Parts Diagrams:
    • Parts diagrams provide visual representations of the tractor’s various components and how they are assembled. These diagrams help users identify and locate specific parts easily.
  6. Parts List:
    • The parts list section includes a comprehensive list of all the parts and components of the Kubota B7100. It typically includes part numbers, descriptions, and sometimes prices.
  7. Engine Parts:
    • This section focuses on the tractor’s engine components, including the fuel system, cooling system, and exhaust system. It provides information on maintenance and replacement of engine parts.
  8. Transmission and Clutch Parts:
    • Here, you can find information related to the transmission system and clutch components. This section covers gears, clutches, and associated parts.
  9. Steering and Brake Parts:
    • This section delves into the tractor’s steering and brake systems, offering details on components like the steering box, wheel, and braking mechanisms.
  10. 3-Point Hitch Parts:
    • For tractors equipped with a 3-point hitch, this section provides information about lift arms, top links, lower links, stabilizers, and other hitch-related components.
  11. Attachments and Accessories:
    • This section may cover various attachments and accessories available for the Kubota B7100. It includes information on how to install, operate, and maintain these attachments.
  12. Electrical System Parts:
    • The electrical system section covers components like the battery, starter motor, alternator, and wiring. It provides guidance on troubleshooting and maintenance.
  13. Hydraulic System Parts:
    • For tractors with a hydraulic system, this section discusses components like hydraulic pumps, valves, and hoses. It explains how to maintain and troubleshoot hydraulic issues.
  14. Maintenance Procedures:
    • This section offers step-by-step instructions for routine maintenance tasks, such as oil changes, filter replacements, and lubrication points.
  15. Troubleshooting and Repairs:
    • Users can find information on diagnosing and repairing common issues and problems that may arise while using the tractor. This section often includes troubleshooting charts and tables.
  16. Parts Ordering Information:
    • This section provides guidance on how to order replacement parts, including contact information for Kubota dealers or authorized distributors.
  17. Glossary:
    • A glossary may be included to define technical terms and terminology used throughout the manual. This helps users better understand the content.
  18. Index:
    • The manual typically concludes with an index, allowing users to quickly locate specific topics or parts within the manual.

By organizing the Kubota B7100 Parts Manual into these sections, users can easily find the information they need for maintenance, repairs, and parts replacement, ensuring the continued reliable operation of their tractors.

Kubota B7100 Parts List

A Kubota B7100 parts list is a handy reference that allows you to quickly locate the parts you need. It typically includes part numbers, descriptions, and sometimes even prices, making it a valuable resource for ordering replacements. Keep a copy of the parts list on hand for efficient maintenance and repairs.

Kubota B7100 Parts Catalog

If you want to explore the entire range of available parts for your B7100, a Kubota B7100 parts catalog is your best friend. The catalog contains an extensive list of parts, including common replacements and more specialized components. It’s a great resource for customizing your tractor with attachments and accessories.

Kubota B7100 Specs

Before delving into specific parts, it’s essential to have a clear understanding of your Kubota B7100’s specifications. Knowing your tractor’s horsepower, weight, dimensions, and other technical details can help you make informed decisions when it comes to parts and attachments. Here are some of the key specs for the Kubota B7100:

  • Horsepower: 16 hp
  • Weight: Approximately 1,323 lbs (600 kg)
  • Dimensions: Vary depending on attachments and configuration
  • Engine: Kubota D750 diesel engine
  • Transmission: Gear-driven transmission with 6 forward and 2 reverse speeds
  • PTO: Rear PTO with two-speed options

Understanding these specifications will enable you to choose the right parts and accessories for your specific needs. Here is a more detailed breakdown :

Here are the typical specifications for the Kubota B7100:


  • Model: Kubota D750
  • Type: Three-cylinder, liquid-cooled, diesel engine
  • Displacement: Approximately 749 cc
  • Power Output: 16 horsepower (HP)
  • Aspiration: Natural


  • Type: Gear-driven transmission
  • Speeds: 6 forward speeds and 2 reverse speeds
  • Clutch: Dry single plate

PTO (Power Take-Off):

  • Type: Rear PTO
  • Speeds: Two-speed options


  • Length: Varies depending on attachments and configuration
  • Width: Varies depending on attachments and configuration
  • Height: Varies depending on attachments and configuration
  • Wheelbase: Varies depending on attachments and configuration
  • Ground Clearance: Varies depending on tire size and configuration


  • Approximately 1,323 pounds (600 kilograms) without attachments


  • Front Tires: Varies depending on the model
  • Rear Tires: Varies depending on the model


  • Hydraulic Capacity: Varies depending on the model
  • Hydraulic Remotes: Optional

Fuel Tank Capacity:

  • Approximately 7.5 gallons (28.4 liters)


  • Type: Manual, non-power steering


  • Type: Wet disc brakes

3-Point Hitch:

  • Category: I
  • Lift Capacity: Varies depending on the model

Electrical System:

  • Battery: 12V
  • Alternator: Varies depending on the model

Optional Attachments:

  • The Kubota B7100 can be equipped with various attachments, including loaders, mowers, backhoes, snow blowers, and more, to perform a wide range of tasks.

Kubota B7100 HST Parts Manual and Diagram

For those with the Hydrostatic Transmission (HST) version of the B7100, it’s important to have a dedicated parts manual and diagram. The HST model has slightly different components and mechanisms compared to the standard version. Having a specialized manual and diagram for your HST B7100 ensures accurate repairs and maintenance.

Here are some key Kubota B7100 HST parts:

  1. Hydrostatic Pump: The hydrostatic pump is a central component of the HST system, responsible for converting hydraulic power into mechanical power for the tractor’s movement. It’s vital for controlling speed and direction.
  2. Hydraulic Hoses and Lines: These hoses and lines are part of the hydraulic system, connecting various components such as the pump, motor, and control valves.
  3. Hydrostatic Motor: The hydrostatic motor works in conjunction with the pump to control the tractor’s speed and direction. It receives hydraulic fluid from the pump and turns it into mechanical power.
  4. HST Pedal Assembly: The HST pedal assembly is a specific control mechanism for the hydrostatic transmission. It allows the operator to control speed and direction with a foot pedal.
  5. HST Control Valve: The control valve is responsible for regulating the flow of hydraulic fluid to the motor, enabling the smooth operation of the hydrostatic transmission.
  6. HST Belt (if equipped): Some Kubota B7100 HST models may use a belt to transfer power from the hydrostatic motor to the transmission. This belt can wear out over time and may need replacement.
  7. Hydraulic Fluid Reservoir: The hydraulic fluid reservoir stores the fluid necessary for the hydrostatic system’s operation. Regular maintenance, including checking fluid levels and quality, is essential.
  8. Hydraulic Filters: Hydraulic filters help keep the hydraulic fluid clean and free from contaminants. Regular filter replacement is crucial for the proper functioning of the HST system.
  9. HST Linkages and Controls: These components include various linkages and controls that allow the operator to engage, disengage, and adjust the hydrostatic transmission.
  10. HST Cooling Components (if equipped): In some HST systems, cooling components such as a cooler or fan may be used to manage heat generated during operation.
  11. HST Drive Shaft: The drive shaft connects the hydrostatic motor to the tractor’s drivetrain, ensuring that power is transferred to the wheels for movement.
  12. HST Relief Valve: The relief valve is a safety mechanism that helps protect the HST system from damage due to excessive pressure. It opens to release excess pressure when needed.

In addition to these common parts, there are a number of other Kubota B7100 HST parts that may need to be replaced over time. These parts include:

  • O-rings: O-rings are used to seal hydraulic connections. Over time, O-rings can become brittle and crack, leading to leaks.
  • Gaskets: Gaskets are used to seal the hydrostatic transmission case. Over time, gaskets can become brittle and leak.
  • Hoses: Hoses are used to transport hydraulic fluid throughout the hydrostatic transmission. Over time, hoses can become cracked and leak.
  • Clamps: Clamps are used to secure hoses and other connections. Over time, clamps can rust and corrode, leading to leaks.

If you are experiencing any problems with the hydrostatic transmission in your Kubota B7100 HST tractor, it is important to have the tractor inspected by a qualified mechanic.

The mechanic will be able to diagnose the problem and recommend the necessary repairs or replacements.

Here are some tips for maintaining the hydrostatic transmission in your Kubota B7100 HST tractor:

  • Check the HST oil level regularly and add more oil as needed.
  • Change the HST oil and filter according to the manufacturer’s recommendations.
  • Inspect the hoses and clamps for cracks and corrosion. Replace any damaged parts immediately.
  • Keep the hydrostatic transmission clean and free of debris.
  • Avoid overloading the tractor, as this can put excessive stress on the hydrostatic transmission.
  • Have the hydrostatic transmission serviced by a qualified mechanic at regular intervals.

Kubota B7100 3 Point Hitch Parts

The 3-point hitch on the Kubota B7100 is a crucial feature for attaching various implements such as plows, mowers, and tillers.

Maintaining this hitch is vital for efficient farming and landscaping operations. When it comes to 3-point hitch parts, you may need components like lift arms, top links, lower links, and stabilizers.

Regular inspections and replacements of these parts are essential to ensure your B7100 can handle a variety of tasks.

The Kubota B7100’s 3-point hitch is a versatile attachment that allows the tractor to be used with a variety of implements, such as mowers, plows, and backhoes. Some of the most common 3-point hitch parts that farmers and homeowners need to replace include:

  • Lift arms
  • Lower arms
  • Top link
  • Bottom link
  • Stabilizers

Kubota B7100 Mower Deck Parts

Many B7100 owners use their tractors for mowing and landscaping tasks. If you have a mower deck attachment, you’ll want to keep it in excellent working condition. Mower deck parts include blades, belts, pulleys, and spindles.

Regular maintenance of these components will ensure a clean and precise cut on your lawn.

The Kubota B7100 is available with a variety of mower decks. Some of the most common mower deck parts that farmers and homeowners need to replace include:

  • Blades
  • Spindles
  • Decks
  • Belts
  • Pulleys

Kubota B7100 Steering Box Parts

The steering system is a critical part of any tractor. The B7100’s steering box contains various components, including the steering wheel, shaft, and gear assembly. If you experience steering issues, a close inspection of these parts is necessary. Regular lubrication and maintenance will help prevent problems.

The Kubota B7100’s steering box is responsible for controlling the tractor’s steering. Some of the most common steering box parts that farmers and homeowners need to replace include:

  • Pitman arm
  • Idler arm
  • Tie rods
  • Drag links
  • Steering wheel

Kubota B7100 Snow Plow Parts

In regions with harsh winters, the B7100 can be equipped with a snow plow attachment for snow removal. Snow plow parts include the blade, frame, lift mechanism, and hydraulic components. Regularly inspecting and maintaining these parts is crucial to ensure your tractor can efficiently clear snow and ice.

Kubota B7100 Engine Parts

The engine is the heart of your B7100, and taking care of it is paramount. Engine parts include filters, gaskets, pistons, rings, and other components that keep your tractor running smoothly. Regular oil changes, air filter replacements, and routine inspections are essential to prevent engine issues.

Kubota B7100 Clutch Parts

The clutch is an integral part of your tractor’s transmission system. If you experience clutch slippage or difficulty shifting gears, it might be time to inspect and replace clutch parts.

A clutch kit typically includes the clutch disc, pressure plate, release bearing, and alignment tool. Replacing these parts can improve the performance of your tractor.

The clutch is a crucial component in the Kubota B7100 tractor’s transmission system. Over time, clutch parts may wear out or require replacement due to normal usage or maintenance needs. Here are some of the essential Kubota B7100 clutch parts:

  1. Clutch Disc: The clutch disc, also known as a friction disc, is a critical component that connects the engine to the transmission. It engages and disengages with the flywheel to transmit power from the engine to the transmission when the clutch pedal is depressed.
  2. Pressure Plate: The pressure plate is part of the clutch assembly and provides the necessary clamping force to engage the clutch disc with the flywheel. It is responsible for holding the clutch in place when engaged.
  3. Release Bearing (Throw-Out Bearing): The release bearing is responsible for disengaging the clutch when the clutch pedal is pressed. It moves against the pressure plate’s diaphragm fingers to release the pressure and separate the clutch disc from the flywheel.
  4. Alignment Tool: An alignment tool is a handy accessory for installing a new clutch. It helps align the clutch disc accurately with the flywheel during the installation process.
  5. Pilot Bearing (or Bushing): In some clutch systems, a pilot bearing or bushing is used to support the input shaft of the transmission. It helps maintain proper alignment and reduce friction.
  6. Clutch Fork and Fork Pivot: The clutch fork is responsible for transmitting the motion of the clutch pedal to the release bearing. It moves back and forth within the clutch housing. The fork pivot provides a pivot point for the fork’s movement.
  7. Clutch Linkage Components: This includes various linkages and mechanisms that connect the clutch pedal to the clutch fork. These components allow for the smooth and controlled engagement and disengagement of the clutch.
  8. Clutch Master Cylinder (for Hydrostatic Models): In hydrostatic models of the Kubota B7100, a hydraulic clutch system may be used, which includes a clutch master cylinder responsible for transmitting hydraulic pressure to engage and disengage the clutch.

Kubota B7100 Clutch Kit

A Kubota B7100 clutch kit is a package that includes various components necessary for the replacement or repair of the clutch system in your Kubota B7100 tractor.

These kits are designed to provide convenience and ensure that all the critical parts of the clutch are replaced at the same time, helping to restore proper clutch functionality.

The Kubota B7100 clutch kit is an important part of the tractor’s transmission. The clutch kit is responsible for disengaging the engine from the transmission when the driver shifts gears. Over time, the clutch kit can wear out and need to be replaced.

Symptoms of a worn-out clutch kit include:

  • Slipping: The clutch slips when the engine RPMs increase but the tractor does not move any faster.
  • Chattering: The clutch chatters when the driver engages the clutch pedal.
  • Burning smell: The clutch smells burnt when the driver engages the clutch pedal.

If you are experiencing any of these symptoms, it is important to have the clutch kit inspected and replaced if necessary.

The Kubota B7100 clutch kit typically includes the following parts:

  • Pressure plate
  • Clutch plate
  • Throwout bearing
  • Pilot bearing
  • Release spring

These parts work together to disengage the engine from the transmission when the driver shifts gears.

To replace the clutch kit in a Kubota B7100 tractor, you will need to remove the transmission from the tractor. Once the transmission is removed, you can replace the clutch kit.

It is important to follow the instructions in the Kubota B7100 service manual carefully when replacing the clutch kit.

Here are some tips for replacing the clutch kit in a Kubota B7100 tractor:

  • Make sure to use the correct clutch kit for your tractor model and year.
  • Use a torque wrench to tighten all of the bolts to the specified torque.
  • Lubricate all of the moving parts with grease before installing the new clutch kit.
  • Be careful not to damage the flywheel when installing the new clutch kit.
  • Follow the instructions in the Kubota B7100 service manual carefully when adjusting the clutch pedal.

Replacing the clutch kit in a Kubota B7100 tractor is a complex task that should be performed by a qualified mechanic. If you are not comfortable replacing the clutch kit yourself, take your tractor to a Kubota dealer or other qualified repair shop.

If you need to replace the clutch kit, there are many options available online. Here are some of the Kubota B7100 clutch kits that you can find:
MyTractor Complete Clutch Kit Assembly for Kubota Tractor B4200, B5100, B6000, B6100, B7100 – This kit includes a 7-1/4″ single stage pressure plate with 3 levers and 6 springs. It fits Kubota B4200, B5100, B6000, B6100, and B7100 tractors.
66591-13400 – Kubota CLUTCH KIT – This kit includes a pressure plate, clutch disc, and release bearing. It fits Kubota B4200 tractors.
CLUTCH KIT FOR KUBOTA B4200 B5100 B6000 – This kit includes a pressure plate, clutch disc, and release bearing. It fits Kubota B4200, B5100, B6000, B6100, and B7100 tractors.
B7100 Kubota Tractor 7-1/4” Single Stage Clutch Kit Assembly – This kit includes a 7-1/4″ single stage pressure plate with 3 levers and 6 springs. It fits Kubota B7100 tractors.
Kubota B7100 Tractor Clutches – TractorJoe.com offers a variety of clutch kits for Kubota B7100 tractors, including HST clutch and single clutch options.
Clutch Kit Kubota B1-10, B4200, B5000, B5001, B5100, B5200, B6000, B6001, B6100, B6200, B7000, B7001, B7100 – TracPartz offers a clutch kit that includes a pressure plate, clutch disc, and release bearing. It fits various Kubota models, including B7100.

Kubota B7100 Attachments

The Kubota B7100 is renowned for its versatility, thanks in part to its ability to accommodate a wide range of attachments. From loaders and backhoes to rotary tillers and box scrapers, there’s an attachment for nearly every job.

When considering attachments for your B7100, make sure to select the ones that best suit your specific tasks. Regular maintenance of these attachments is essential to keep them in top working condition.

The Kubota B7100 is a versatile compact tractor that can be equipped with various attachments and implements to perform a wide range of tasks.

These attachments enhance the functionality and utility of the tractor, making it suitable for agriculture, landscaping, and other outdoor tasks. Here are some common Kubota B7100 attachments:

  1. Front Loader: A front-end loader attachment allows the tractor to lift and transport materials such as dirt, gravel, mulch, and more. It’s a valuable tool for landscaping and material handling.
  2. Backhoe: The addition of a backhoe attachment enables the B7100 to perform digging and excavation tasks. It’s useful for digging trenches, holes, and other earthmoving jobs.
  3. Mower Deck: A mower deck attachment turns the B7100 into a capable lawn mower. It’s ideal for mowing lawns and large grassy areas efficiently.
  4. Rotary Tiller: The rotary tiller attachment is designed for soil preparation. It can break up and aerate soil, making it suitable for gardening and landscaping.
  5. Box Blade: A box blade attachment is excellent for grading, leveling, and spreading materials like gravel or dirt. It can help create smooth surfaces.
  6. Snow Blower: In areas with heavy snowfall, a snow blower attachment can be added to the B7100 for snow removal from driveways and paths.
  7. Snow Plow: A snow plow attachment is an alternative to the snow blower and is used to push and clear snow from surfaces.
  8. Post Hole Digger: The post hole digger attachment is perfect for drilling holes for fence posts, signs, or other applications.
  9. Landscape Rake: A landscape rake attachment is used for soil and debris management, including grading, leveling, and clearing debris.
  10. Bucket: Various bucket attachments are available for tasks like digging, loading, and material handling. These include general-purpose buckets and specialized buckets for specific jobs.
  11. Pallet Forks: Pallet forks are designed for lifting and transporting pallets and other materials. They are handy for tasks in warehouses, on construction sites, and in agriculture.
  12. Grapple Bucket: Grapple buckets are used for grasping and moving materials such as logs, brush, and debris. They are common in forestry and land clearing applications.
  13. Manure Spreader: A manure spreader attachment is ideal for spreading manure evenly on fields and pastures, promoting soil fertility.
  14. Seeder: Seeder attachments are used for sowing seeds in an even and controlled manner, making them suitable for planting grass, cover crops, or food plots.
  15. Sprayer: A sprayer attachment can be used for applying pesticides, herbicides, and fertilizers to fields and gardens.
  16. Aerator: A lawn aerator attachment is used to improve soil aeration and reduce compaction in lawns, resulting in healthier grass growth.
  17. Auger: Auger attachments are used for drilling holes in the ground, making them useful for tasks such as planting trees and installing fence posts.

When selecting attachments for your Kubota B7100, consider the specific tasks you need to perform and the compatibility of the attachment with your tractor model.

It’s essential to ensure that the attachment is properly installed and connected to the tractor following the manufacturer’s guidelines and safety precautions. Kubota offers a range of official attachments for their tractors, and aftermarket options are also available for additional versatility.

Like any piece of machinery, the Kubota B7100 tractor may experience common problems or issues over time due to wear and tear, lack of maintenance, or other factors.

Identifying and addressing these issues promptly can help maintain the tractor’s performance and longevity. Here are some common problems that Kubota B7100 owners may encounter:

  1. Starting Problems: If the tractor has difficulty starting or does not start at all, it could be due to issues with the battery, starter motor, fuel system, or glow plugs. Regular maintenance of the electrical and fuel systems is essential to prevent starting problems.
  2. Engine Overheating: Overheating can occur due to insufficient coolant levels, a malfunctioning thermostat, clogged radiator, or a damaged water pump. Regular cooling system maintenance, including checking coolant levels and cleaning the radiator, is crucial.
  3. Loss of Power: A significant loss of engine power may result from issues with the air filter, fuel filter, or fuel delivery system. Regularly replacing and cleaning these filters can prevent power loss.
  4. Transmission Issues: Transmission problems can manifest as difficulty shifting gears, slipping gears, or rough gear engagement. Regular transmission fluid changes and clutch maintenance can help avoid these issues.
  5. Hydraulic System Leaks: Hydraulic fluid leaks may occur in the tractor’s hydraulic system, affecting the operation of attachments and implements. Inspect hoses, fittings, and seals for damage and replace as needed.
  6. Electrical Problems: Electrical issues such as malfunctioning lights, gauges, or switches can arise from wiring problems, loose connections, or damaged components. Regular inspection and maintenance of the electrical system can prevent such problems.
  7. Steering Problems: Difficulty steering can be caused by issues with the steering box, linkage, or tires. Ensure that the steering system is properly lubricated and adjusted.
  8. Brake Problems: Brake issues may include ineffective braking, noisy brakes, or worn brake pads. Regular brake maintenance, including pad replacement and adjustment, is essential for safe operation.
  9. Tire Wear: Uneven tire wear can lead to reduced traction and handling. Regularly check tire pressure, alignment, and balance to ensure even tire wear.
  10. Excessive Vibration: Excessive vibration while operating the tractor may be due to unbalanced or damaged components, including the driveline or attachments. Regular inspections can help identify and address vibration issues.
  11. Fuel Problems: Problems related to fuel quality or contamination can cause engine misfires, stalling, and decreased performance. Use clean, quality fuel and regularly replace fuel filters.
  12. Rust and Corrosion: The tractor’s metal components are susceptible to rust and corrosion, especially if the tractor is exposed to harsh weather conditions. Regularly clean and protect metal surfaces to prevent corrosion.
  13. Exhaust Smoke: Unusual exhaust smoke, such as excessive black smoke (indicating fuel issues) or white smoke (indicating coolant or oil problems), can signal issues with the engine that require attention.
  14. Worn or Damaged Attachments: Attachments and implements can wear out over time. Regularly inspect and maintain these accessories to ensure they function correctly.
  15. Hydraulic Pump Problems: A malfunctioning hydraulic pump can affect the performance of hydraulic attachments. Check for leaks, unusual noises, and reduced hydraulic power.
In conclusion, understanding Kubota B7100 parts, from diagrams and manuals to specific components and attachments, is vital for maintaining the performance and longevity of your compact tractor.
Regular inspections, maintenance, and the use of high-quality replacement parts will ensure that your B7100 continues to serve you faithfully for years to come.
Whether you’re a small-scale farmer or a property owner, the Kubota B7100 is a reliable workhorse, and keeping it in great shape is essential for a wide range of tasks.