Kubota MX5000 Parts and Parts Manual PDF

Kubota MX5000 Parts and Specs

The Kubota MX5000 is a utility tractor that was manufactured between 2002 and 2008. It was marketed as an intermediate model between the L and M series line, being less expensive than the similar M4900 and using a more basic transmission and hydraulic system.

Here are some of its key specifications:
  • Engine:
    • Gross Power: 52.2 hp (39 kW)
    • PTO Power: 44 hp (33 kW)
    • Displacement: 148.5 cu in
    • Engine Model: V2403
    • Fuel Capacity: 13.3 gal (49 l)
  • Transmission:
    • Type: 8-speed partially synchronized
    • Max Speed: 16.5 mph (26 kph)
    • Number of Forward Gears: 8
    • Number of Reverse Gears: 4
  • Hydraulics:
    • Pump Flow Capacity: 14.1 gal/min (53 l/min)
    • Total flow: 14 gpm (53.0 lpm)
    • Rear lift capacity: 2,315 lbs (1050 kg) at 24 inches
  • Dimensions & Tires:
    • Wheelbase: 71.1 inches (4WD)
    • Weight: 3284 to 3560 pounds
    • Front tire: 7.5L-15
    • Rear tire: 14.9-26

Kubota MX5000 Parts Diagram

You can find the parts diagrams for the Kubota MX5000 online at the following websites:

  1. Coleman Equipment: This site provides a parts diagram lookup for the Kubota MX5000SU Special Utility Tractors.
  2. Messicks: Messicks offers parts diagrams for the Kubota MX5000DT (Dual Traction 4wd).
  3. Messicks: You can also find parts diagrams for the Kubota MX5000SU (Special utility) at Messicks.

Additionally, you may refer to the workshop manual for the MX5000, which provides detailed information on the mechanism, service, and maintenance of the tractor. The manual is available in PDF format at Kubotabooks.com.

Kubota MX5000 Front Axle Parts

  1. Front Axle Housing: This is the main structural component of the front axle assembly, providing support and housing for the other components.
  2. Axle Shaft: The axle shaft transfers power from the differential to the front wheels, allowing them to rotate.
  3. Steering Cylinder: The steering cylinder is part of the steering system and helps turn the front wheels in the desired direction.
  4. Spindles: Spindles connect the axle assembly to the front wheels and allow them to rotate.
  5. Wheel Hubs: Wheel hubs provide mounting points for the front wheels and contain bearings that allow them to rotate smoothly.
  6. Steering Knuckles: Steering knuckles connect the spindles to the steering linkage and allow the wheels to pivot for steering.
  7. Front Differential: The front differential distributes power from the transmission to the front wheels, allowing them to rotate at different speeds when turning.
  8. Front Wheel Bearings: Bearings within the wheel hubs reduce friction and allow the wheels to rotate freely.
  9. Seals and Gaskets: These components help prevent leaks and contamination of lubricants within the front axle assembly.
  10. Steering Linkage: The steering linkage includes various rods and components that transmit steering input from the steering wheel to the steering cylinder and steering knuckles.

Kubota MX5000 Parts Manual PDF

The parts manual for the Kubota MX5000 tractor typically consists of several sections, each providing detailed information about specific components and assemblies.

  1. Introduction: This section provides an overview of the parts manual, including instructions on how to use it, safety precautions, and general information about the tractor.
  2. Table of Contents: The table of contents lists all the sections and subsections included in the parts manual, making it easier to navigate and locate specific parts.
  3. Illustrated Parts Breakdown: This section typically includes detailed diagrams and illustrations of the various assemblies and components of the tractor. Each part is usually labeled and accompanied by a reference number for easy identification.
  4. Part Number Index: The part number index lists all the parts included in the manual, along with their corresponding reference numbers. This index allows you to quickly look up parts by their part numbers.
  5. Exploded Views: Exploded views provide detailed drawings of specific assemblies, showing how each part fits together and how they are assembled. This section is particularly useful for understanding the relationships between different components.
  6. Parts Lists: Parts lists provide a comprehensive inventory of all the parts and components included in the manual, organized by assembly or system. Each part is usually accompanied by its description, part number, and quantity required.
  7. Appendices: Appendices may include additional information, such as part number cross-references, special tools required for maintenance or repair, or other supplementary material.
  8. Index: The index is a comprehensive alphabetical list of all the terms and topics covered in the parts manual, along with the page numbers where they can be found. This index facilitates quick reference and lookup of specific information.

Kubota MX5000 Problems

Here are some common problems that MX5000 owners come across:

  1. Engine Issues: This can include problems such as hard starting, rough idling, loss of power, or excessive smoke from the exhaust. These issues could stem from fuel system problems, air intake issues, or engine wear and tear.
  2. Hydraulic System Problems: Leaks, low hydraulic pressure, or sluggish operation of hydraulic functions like the three-point hitch or loader can occur. This may be due to worn seals, damaged hoses, or issues with the hydraulic pump.
  3. Electrical Problems: Electrical issues such as a dead battery, faulty wiring, or malfunctioning gauges and indicators can occur. Checking connections, fuses, and the battery can help troubleshoot these issues.
  4. Transmission Troubles: Problems with shifting gears, slipping transmission, or unusual noises during operation may indicate transmission issues. Regular maintenance and fluid checks can help prevent these problems.
  5. Steering and Front Axle Issues: Difficulty steering, excessive play in the steering wheel, or front axle problems like worn bearings or damaged components can affect handling and stability.
  6. PTO (Power Take-Off) Problems: Issues with engaging or disengaging the PTO, abnormal noises, or lack of power transmission to attached implements can occur. This may require inspection of the PTO clutch, linkage, or related components.
  7. Cooling System Concerns: Overheating can be caused by a variety of factors such as a malfunctioning thermostat, clogged radiator, or coolant leaks.
  8. General Wear and Tear: As with any equipment, the MX5000 may experience wear and tear over time, leading to the need for routine maintenance and occasional replacement of worn parts.

Kubota MX5000 Reviews

Here are some common themes found in reviews:

  1. Reliability: Many owners praise the MX5000 for its reliability and durability. They appreciate its ability to handle demanding tasks consistently without major issues.
  2. Performance: Users often highlight the tractor’s strong performance, particularly its engine power, hydraulic capacity, and overall efficiency in various agricultural and landscaping tasks.
  3. Versatility: The MX5000 is lauded for its versatility, with users noting its ability to handle a wide range of implements and attachments effectively.
  4. Comfort: Operators appreciate the comfort features of the tractor, such as ergonomic controls, adjustable seating, and optional cab configurations for protection from the elements.
  5. Ease of Use: Many reviewers find the MX5000 easy to operate, even for those with limited experience. Intuitive controls and a user-friendly design contribute to its accessibility.
  6. Maintenance: Owners often mention the ease of maintenance and serviceability of the MX5000, with accessible components and straightforward maintenance procedures.
  7. Value for Money: While Kubota tractors can be an investment, many users feel that the MX5000 offers excellent value for the performance and reliability it provides, especially over the long term.

Kubota MX5000 Front End Loader

The Kubota MX5000 tractor is compatible with various front-end loader attachments, which can enhance its versatility and productivity for tasks such as loading, lifting, and material handling.

While Kubota doesn’t manufacture a specific loader model named “MX5000,” there are several loader models compatible with the MX5000 tractor. These loaders are typically designed to match the tractor’s specifications and capabilities.

Here are some key points about front-end loaders compatible with the Kubota MX5000:

  1. Loader Capacity: Front-end loaders for the MX5000 are available in different lift capacities, allowing you to choose one that suits your specific needs. The lift capacity of the loader will depend on factors such as the model of the loader and the size of the tractor.
  2. Attachment Compatibility: These loaders are designed to be compatible with various loader attachments, such as buckets, forks, grapples, and bale spears. This allows you to use the loader for a wide range of tasks, from loading and moving materials to handling different types of loads.
  3. Hydraulic System: Front-end loaders typically require hydraulic power from the tractor to operate their lifting and tilting functions. The MX5000 comes equipped with a hydraulic system capable of powering the loader’s hydraulic cylinders for lifting and lowering the loader arms and tilting the attachment.
  4. Mounting and Removal: Front-end loaders are usually mounted to the tractor’s frame using a mounting kit specifically designed for the MX5000 model. Mounting and removing the loader typically require attaching/detaching hydraulic hoses, securing mounting pins, and engaging/disengaging the loader’s quick-attach mechanism.
  5. Control Options: Depending on the loader model, control options may include joystick controls or lever-operated controls for raising, lowering, and tilting the loader arms and attachment.
  6. Dealer Support: Kubota dealers can provide assistance in selecting the right loader model for your MX5000 tractor, as well as installation, maintenance, and troubleshooting support.

The Kubota MX5000 tractor can be equipped with a front-end loader for increased versatility and functionality. There are several Kubota loader models compatible with the MX5000, including:

  • LA1065: This loader has a lift capacity of 2,450 lbs and a maximum lift height of 113 inches. It is a good choice for general purpose loading and material handling tasks.

    LA844: This loader has a lift capacity of 1,850 lbs and a maximum lift height of 105 inches. It is a good choice for lighter-duty loading tasks.

  • LA852: This loader has a lift capacity of 2,100 lbs and a maximum lift height of 109 inches. It is a good choice for medium-duty loading tasks.

When choosing a front-end loader for your Kubota MX5000, it is important to consider the types of tasks you will be using it for, as well as the weight and size of the materials you will be lifting.

You should also consult your Kubota dealer to ensure that the loader you choose is compatible with your tractor.

Here are some additional things to keep in mind when using a front-end loader on your Kubota MX5000:

  • Always follow the safety instructions in the operator’s manual for both the tractor and the loader.
  • Be sure that the loader is properly attached to the tractor before using it.
  • Do not overload the loader.
  • Be aware of your surroundings and watch for overhead hazards.
  • Drive slowly and carefully when using the loader.

Kubota MX5000 Service Manual

Some common sections:

  1. Introduction: This section provides an overview of the service manual, including instructions on how to use it effectively, safety precautions, and general information about the Kubota MX5000 tractor.
  2. Specifications: Specifications section lists detailed technical data about the tractor, including engine specifications, dimensions, weight, capacities, and other relevant information.
  3. Maintenance Schedule: This section outlines the recommended maintenance intervals and procedures for servicing various components of the tractor, such as engine oil changes, filter replacements, lubrication points, and inspections.
  4. Engine System: This section covers the servicing and repair procedures for the tractor’s engine, including troubleshooting, disassembly, inspection, reassembly, and adjustment of engine components.
  5. Fuel System: The fuel system section provides information on servicing and troubleshooting the tractor’s fuel system, including the fuel tank, fuel lines, fuel pump, injectors, and fuel filters.
  6. Cooling System: This section covers maintenance and repair procedures for the tractor’s cooling system, including the radiator, thermostat, water pump, hoses, and coolant.
  7. Electrical System: The electrical system section provides information on troubleshooting, testing, and repairing the tractor’s electrical components, including the battery, alternator, starter motor, wiring harness, switches, and lights.
  8. Transmission and Drivetrain: This section covers the maintenance and repair procedures for the tractor’s transmission, clutch, differential, driveshaft, axles, and brakes.
  9. Hydraulic System: Hydraulic system section provides information on servicing and troubleshooting the tractor’s hydraulic system, including the hydraulic pump, control valves, cylinders, hoses, and fittings.
  10. Steering and Front Axle: This section covers maintenance and repair procedures for the tractor’s steering system, including the steering gearbox, tie rods, steering cylinder, and front axle components.
  11. Chassis and Body: The chassis and body section provides information on servicing and repairing the tractor’s frame, body panels, fenders, and other structural components.
  12. Appendices: Appendices may include additional information such as torque specifications, fluid capacities, wiring diagrams, and special tools required for servicing the tractor.

Kubota MX5000 Oil Filter and Oil Capacity

Oil Filter:

The Kubota MX5000 uses the same oil filter for all models, regardless of whether it’s the DT (Dual Traction 4wd) or SU (Special utility) variant. The compatible filter is:

  • Kubota Genuine Oil Filter 70151-23310

Oil Capacity:

The oil capacity for the Kubota MX5000 also remains the same across all models, at 9.9 quarts (9.3 liters). However, it’s always recommended to consult your owner’s manual for the specific capacity for your tractor, as there may be slight variations depending on the year of manufacture or specific configuration.

Additional Tips:

  • When changing your oil filter, it’s crucial to use only genuine Kubota filters or filters that meet Kubota’s specifications. Using non-genuine filters can void your warranty and potentially damage your engine.
  • It’s also important to dispose of used oil and filters properly. Do not pour used oil down the drain or on the ground. Take it to a designated recycling center.
  • Refer to your owner’s manual for detailed instructions on how to change your oil and oil filter.

Kubota MX5000 Hydraulic Fluid Capacity

The hydraulic fluid capacity of the Kubota MX5000 is 11.6 gallons (44.0 liters) .This information is available in the “Refill Capacities” section of the tractor’s maintenance details.

To check the hydraulic fluid level in a Kubota MX5000, you can follow these general steps:

  1. Park the tractor on a level surface and engage the parking brake.
  2. Locate the hydraulic fluid reservoir, which is typically near the rear of the tractor.
  3. Clean the area around the reservoir cap to prevent debris from entering the system.
  4. Remove the cap and wipe the dipstick clean.
  5. Reinsert the dipstick all the way into the reservoir and then remove it to check the fluid level. The level should be between the two lines etched on the dipstick or within the designated sight glass window.

Kubota MX5000 Power Steering Cylinder

The Kubota MX5000 power steering cylinder is a crucial component that enables you to smoothly maneuver the tractor. It’s a hydraulic cylinder that uses pressurized fluid to assist in turning the wheels.


  • Applicable Kubota models: MX5000, MX5000SU, L2900, L3010, L3300, L3410, L3600, L3710, L4200, L4300, L4310
  • Kubota part numbers: HTA00-37800, TA040-37806, TA040-37803
  • Teeth: 9 & 23

Replacement and Repair:

If your Kubota MX5000’s power steering cylinder is malfunctioning, you might need to replace it. Here are some options:

  • Genuine Kubota replacement: This is the most reliable option, but it can also be the most expensive.
  • Aftermarket replacement: These are often more affordable, but make sure they are compatible with your tractor model and meet Kubota’s quality standards.
  • Rebuilt cylinder: This can be a cost-effective option if your current cylinder is repairable.

It’s important to note that replacing the power steering cylinder is a complex task that should only be attempted by a qualified mechanic.

Kubota MX5000 Power Steering Pump

The power steering pump in a Kubota MX5000 tractor is a vital component of the power steering system, which assists the operator in turning the tractor’s wheels more easily.

  1. Function: The power steering pump is responsible for pressurizing hydraulic fluid (usually hydraulic oil) and delivering it to the power steering gearbox or rack. This pressurized fluid helps reduce the effort required by the operator to turn the steering wheel, especially when manoeuvring at low speeds or when the tractor is heavily loaded.
  2. Location: The power steering pump is typically mounted on or near the engine and is driven by a belt connected to the engine’s crankshaft. It draws hydraulic fluid from the tractor’s hydraulic reservoir and pressurizes it before sending it to the power steering system.
  3. Design: Power steering pumps can vary in design depending on the specific model and configuration of the tractor. They generally consist of a pump housing, rotor, vanes or gears (depending on the type of pump), inlet and outlet ports, and a pulley or drive shaft for connection to the engine.
  4. Maintenance: Regular maintenance of the power steering pump and the entire power steering system is essential to ensure proper operation and longevity. This includes checking fluid levels, inspecting for leaks, replacing worn belts, and servicing or replacing the pump if necessary.
  5. Symptoms of Problems: Common symptoms of a failing power steering pump include difficulty turning the steering wheel, whining or groaning noises when turning, fluid leaks around the pump, or a loose or damaged drive belt. If you notice any of these symptoms, it’s essential to inspect and address the issue promptly to prevent further damage to the steering system.
  6. Replacement: If the power steering pump is determined to be faulty or worn out, it may need to be replaced. Replacement pumps are available from Kubota dealers or aftermarket suppliers and should be installed according to manufacturer specifications.

Kubota MX5000 Starter Relay

The Kubota MX5000 starter relay is an essential component of the tractor’s electrical system. It acts as a switch, sending a high current from the battery to the starter motor when you turn the ignition key. This cranks the engine, allowing it to start.


  • Kubota part number: 35800-75070
  • Voltage: 12V
  • Number of terminals: 4
  • Location: Usually mounted near the battery or starter motor

Symptoms of a bad starter relay:

  • The engine cranks slowly or not at all.
  • You hear a clicking noise when you turn the ignition key, but the engine doesn’t crank.
  • The starter motor engages but the engine doesn’t start.

Replacing the starter relay:

Replacing the starter relay is a relatively simple task that you can do yourself with basic tools and mechanical knowledge. However, it’s always best to consult your owner’s manual or a qualified mechanic if you’re unsure about any steps.

Here are the general steps involved in replacing the starter relay:

  1. Disconnect the negative battery cable to prevent electrical shock.
  2. Locate the starter relay. It is usually mounted near the battery or starter motor.
  3. Remove the wires from the starter relay terminals. Note the positions of the wires so you can reconnect them correctly later.
  4. Unscrew the starter relay mounting bolts and remove the relay.
  5. Install the new starter relay, making sure to tighten the mounting bolts securely.
  6. Reconnect the wires to the starter relay terminals in the correct positions.
  7. Reconnect the negative battery cable.
  8. Test the starter relay by turning the ignition key. The engine should crank normally.

Additional tips:

  • Before replacing the starter relay, it’s a good idea to check the battery and starter motor to make sure they are functioning properly. A weak battery or faulty starter motor can also cause the symptoms of a bad starter relay.
  • When purchasing a replacement starter relay, make sure it is the correct part number for your Kubota MX5000 model.

Kubota MX5000 Transmission Fluid

The Kubota MX5000 uses a Universal Tractor Transmission Fluid (UTTO) for both its transmission and hydraulic systems. This means you only need one type of fluid for both systems, simplifying maintenance.

Recommended Kubota UTTO Fluid:

  • Kubota Genuine Super UDT Universal Tractor Transmission Fluid (Kubota Part Number: 09192-21910)

Alternative UTTO Fluids:

Several other brands offer UTTO fluids compatible with the Kubota MX5000. However, it’s crucial to ensure the chosen fluid meets Kubota’s specifications to avoid damaging your tractor’s transmission and hydraulic system.

Here are some factors to consider when choosing an alternative UTTO fluid:

  • API Service Rating: The fluid should have an API Service Rating of GL-4.
  • Viscosity: The viscosity grade should be appropriate for your operating conditions. Kubota recommends SAE 10W-30 for most operating temperatures.
  • Performance Specifications: Ensure the fluid meets Kubota’s UDT (Universal Tractor Transmission Fluid) specifications.

Transmission Fluid Capacity:

The Kubota MX5000 transmission fluid capacity varies depending on the specific model and year of manufacture. It typically ranges from 18 to 23 liters (4.8 to 6.1 gallons).

Checking Transmission Fluid Level:

  1. Consult your owner’s manual for the specific location and procedure for checking the transmission fluid level on your Kubota MX5000 model.
  2. The tractor should be level on firm ground with the engine off.
  3. Locate the transmission fluid dipstick and remove it.
  4. Wipe the dipstick clean with a lint-free cloth.
  5. Reinsert the dipstick fully and remove it again to check the fluid level.
  6. The fluid level should be between the “Full” and “Low” marks on the dipstick.

Adding Transmission Fluid:

  1. If the fluid level is low, add Kubota Genuine Super UDT or an approved UTTO fluid in small increments, checking the level after each addition.
  2. Avoid overfilling the transmission, as this can cause leaks and other problems.

Changing Transmission Fluid:

Kubota recommends changing the transmission fluid every 1,000 hours or annually, whichever comes first. It’s crucial to follow the service intervals specified in your owner’s manual for optimal performance and longevity of your tractor.

Important Safety Precautions:

  • Always wear safety glasses and gloves when handling transmission fluid.
  • Used transmission fluid is a hazardous waste and should be disposed of properly at a designated recycling center.
  • Never mix different types of transmission fluids, as this can damage your tractor’s transmission and hydraulic system.

Kubota MX5000 Steering Arm

The Kubota MX5000 tractor uses two steering arms, one on the left and one on the right side, to connect the steering wheel to the front wheels. These arms are responsible for transferring the turning motion of the steering wheel to the wheels, allowing you to control the direction of the tractor.

Here are some key points about the Kubota MX5000 steering arm:

  • Part numbers:
    • Left-hand steering arm: 31351-11220, 31351-11222, 31351-11223
    • Right-hand steering arm: 31351-11210, 31351-11211, 31351-11212
  • Compatibility: These steering arms are compatible with various Kubota tractor models, including the L2800, L3010, L3130, L3200, L3240, L3301, L3400, L3800, L3830, L4300, L4400, L4600, MX4700, MX5000, and MX5100.
  • Material: The steering arms are typically made of forged steel for strength and durability.
  • Function: The steering arms pivot at the connection point with the tractor frame and connect to the tie rods, which in turn connect to the front wheels. When you turn the steering wheel, the steering arms move, causing the tie rods to move and turn the front wheels.

Symptoms of a bad steering arm:

  • Loose or clunking noises in the front end while turning
  • Difficulty steering the tractor
  • Uneven tire wear

Replacing a steering arm:

Replacing a steering arm is a relatively complex task that should only be attempted by a qualified mechanic. It requires specialized tools and knowledge to ensure the steering system is aligned correctly after the replacement.

Here are some additional things to keep in mind about the Kubota MX5000 steering arm:

  • It is important to use genuine Kubota replacement parts or parts that meet Kubota’s specifications to ensure proper fit and function.
  • When replacing a steering arm, it is also a good idea to replace the tie rods and ball joints at the same time, as these components wear out over time and can contribute to steering problems.
  • Always consult your owner’s manual for specific instructions on how to replace the steering arm on your Kubota MX5000 tractor.