Troubleshooting Kubota M135X Transmission Problems: Expert Tips

Kubota m135x transmission problems can include clutch damage and shift lever failure. Immediate inspection and maintenance are crucial to prevent further damages.

Kubota m135x tractor is a popular choice among farmers due to its performance and durability. However, as with any machine, it may develop transmission problems over time. These problems can be caused by various issues, such as poor maintenance, wear and tear, or system malfunctions.

Two common kubota m135x transmission issues are clutch damage and shift lever failure. Clutch damage can affect the tractor’s performance, while shift lever failure can render the tractor inoperable. It is crucial to inspect and maintain the components regularly to prevent further transmission damages. In this article, we will discuss the signs and causes of kubota m135x transmission problems and ways to prevent them.

Understanding Kubota M135X Transmission

If you own or are considering buying a kubota m135x, you may have heard about potential transmission problems. Understanding the transmission system can be a valuable step to prevent or address issues. Let’s explore the key components, how the transmission works, and the role of transmission fluid.

Components Of The Transmission System

The kubota m135x transmission system consists of several essential components. Understanding these parts can help you identify any issues that may arise.

  • Gearbox: Controls the speed and torque by changing gears
  • Clutch: Engages and disengages the transmission from the engine
  • Hydraulic control valve: Regulates fluid pressure from the pump to operate the clutch and shift gears
  • Drive shaft: Transmits power from the engine to the gearbox
  • Rear axle: Transfers power from the transmission to the wheels

How Transmission Works

The kubota m135x transmission system uses a mechanical gearbox, controlled by hydraulic pressure. It works by shifting gears, controlling power and speed, and managing the torque delivered to the wheels. As the engine rotates, it triggers the gearbox and starts to transmit power to the wheels.

The operator can then use the gear selector to choose the best gear for the job.

Function Of Transmission Fluid

Transmission fluid plays an essential role in the kubota m135x transmission system. The fluid lubricates the gears and components, reduces heat, and transfers power. Without it, the transmission would overheat, and the gears would wear out more quickly. Kubota recommends using the proper transmission fluid to ensure optimal performance.

A basic understanding of the kubota m135x transmission system and its components is critical to identifying and addressing any potential problems. Regular maintenance, including checking the fluids, can help to prevent issues before they become major problems.

Signs Of Kubota M135X Transmission Problems

Kubota m135x is known for its durability and efficiency, but similar to any other equipment, it can have transmission problems. Recognizing these issues is essential to prevent costly repairs down the road. In this section of the blog post, we’ll go over the signs of kubota m135x transmission problems and what to do if you come across them.

Warning Indicators

Your kubota m135x will warn you if there is a transmission problem that needs attention. Some warning indicators to look for are:

  • Transmission warning light comes on
  • Check engine light illuminates
  • Display shows error codes related to the transmission

Once you see any of these warning indicators, you should stop using the tractor immediately and contact a professional.

Unusual Noises And Vibrations

Unusual noises and vibrations coming from your kubota m135x are signs of transmission problems. Here are some noises that indicate issues:

  • Whining sounds coming from the tranny
  • Grinding or clunking sounds when shifting gears

If you detect these sounds, it may be due to low transmission fluid levels or damaged gears. Vibrations can also be a cause for concern and may indicate wear and tear of transmission components. In either case, it is best to have the tractor inspected by an experienced mechanic.

Losing Power And Acceleration

If your kubota m135x has issues with power and acceleration, then it might be experiencing transmission problems. These are some of the common signs:

  • Takes longer to accelerate
  • Loses power while driving uphill
  • Slower top speed

These symptoms indicate that the transmission is not functioning correctly and could be due to damaged gears or low transmission fluid levels.


Overheating is a common indication of transmission issues. If your kubota m135x continually overheats, it could be due to the transmission fluid breaking down or a damaged cooling system. Overheating can cause severe damage to the transmission, leading to expensive repairs.

Difficulty Shifting And Staying In Gear

Your kubota m135x should shift smoothly, and gears should engage without delay. However, if you are experiencing difficulties staying in gear or shifting gears altogether, you might be experiencing transmission issues. These signs include:

  • Gears slipping out of place
  • Trouble shifting into reverse
  • Shifter moving into gear but not engaging

Any of these symptoms indicate possible problems with the clutch or shift linkage, but it could also be due to low transmission fluid levels or a more significant issue.

To sum it up, knowing the signs of kubota m135x transmission problems can save you money in the long run. Always take care of your tractor’s transmission, and address any potential issues right away to prevent major repairs. Reach out to an experienced mechanic if you detect any of these signs and get the transmission in excellent condition as quickly as possible.

Troubleshooting Kubota M135X Transmission Problems: Expert Tips

Kubota m135x is an excellent tractor known for its powerful engine, comfortable cabins, and sturdy body. However, with use, it is not unusual to face transmission issues. In such cases, you must diagnose the problems accurately and pinpoint their exact cause.

In this guide, i am going to share some troubleshooting tips to help you address kubota m135x transmission problems with ease. Read on to find out more.

Check The Transmission Fluid Level

One of the most common reasons behind transmission issues is the low level of transmission fluid. Follow these steps to check the level of transmission fluid:

  • Keep the tractor on a level surface.
  • Locate the transmission fluid dipstick and remove it.
  • Wipe the fluid off the dipstick with a clean cloth, re-insert it, and remove it again.
  • Check the fluid level. It should be within the designated range.

Inspect For Leaks And Loose Connections

Leaks and loose connections in the transmission system can cause serious issues. Check for any visible signs of leakage or damage around the transmission area, including the drain plug, transmission cooler lines, and gasket. If you find any leaks, it is best to take it to a qualified technician immediately.

Resetting The Transmission Control Module (Tcm)

Sometimes, a reset of the tcm can resolve transmission issues in kubota m135x. Here are the steps to follow for resetting:

  • Switch off the tractor.
  • Disengage the park brake.
  • Wait for 10 seconds, engage the park brake again.
  • Turn the engine on and shift the transmission into gear.

Inspect The Clutch

The clutch is another critical component of the kubota m135x transmission system. Inspect it for any signs of wear and tear or damage, including grinding noises, slipping gears, and difficulty in shifting. If you notice any of these signs, you may need to replace the clutch.

Perform A Pressure Test

Pressure testing is a reliable method to diagnose kubota m135x transmission problems. Here are the steps to follow:

  • Connect a transmission pressure gauge to the test ports of the transmission system.
  • Start the engine and shift it in different gears.
  • Observe the readings on the gauge to check for any fluctuations in pressure.

There you have it! Troubleshooting kubota m135x transmission problems is not rocket science, but it does require some basic knowledge and skills. Follow these tips to keep your tractor’s transmission system in good condition and make the most out of it.

Kubota M135X Transmission Maintenance Tips

The kubota m135x is a premium tractor model that is widely used in various agricultural operations. Although the transmission system used in the tractor is top-notch, there are still situations where problems may arise. To avoid unexpected shutdowns, early wear and tear, or more severe issues with your tractor’s transmission, it’s essential to follow a maintenance routine that ensures the smooth and efficient functioning of your tractor.

Regular Fluid Changes

The transmission fluid in your kubota m135x tractor plays an essential role in lubricating and cooling the transmission system. Regular fluid changes will ensure that your tractor’s transmission runs smoothly and efficiently. Here are the key points to keep in mind:

  • Change the transmission fluid at least once a year, or after every 600 hours of operation, whichever comes first.
  • Use the recommended transmission fluid prescribed in your kubota m135x owner manual.
  • Keep the transmission fluid clean and free from any particles or debris that may cause damage to the transmission system.

Avoid Overloading The Tractor

Overloading your kubota m135x tractor can cause severe damage to your transmission system. Overloading can cause the transmission to overheat, resulting in early wear and tear of your tractor parts. Here are the key points to remember:

  • Do not exceed the maximum weight capacity prescribed in your kubota m135x owner manual.
  • Avoid sudden starts and stops, which can cause stress on the transmission system.
  • Use the correct attachments and implements that are compatible with your tractor’s weight and size.

Keep The Tractor Cool

Overheating is the leading cause of transmission problems in kubota m135x tractors. Keeping your tractor cool can help prolong the life of your transmission system. Here are the key points to keep in mind:

  • Maintain proper airflow around the tractor’s engine and transmission by keeping the grille and radiator clean and free from dirt and debris.
  • Keep your tractor out of direct sunlight when not in use, and use a tractor cover if possible.

Proper Warm Up And Cool Down

Your kubota m135x tractor requires proper warm-up and cool-down periods to operate efficiently and smoothly. Here are the key points to follow:

  • Warm-up your tractor for at least five minutes before driving.
  • Allow your tractor to idle for five minutes after driving before turning it off.
  • Avoid shutting your tractor off immediately after driving or when the engine is hot.

By following these kubota m135x transmission maintenance tips, you can ensure that your tractor’s transmission system functions efficiently, runs smoothly, and preserves its longevity. Remember to consult your owner’s manual for more specific recommendations regarding the maintenance of your kubota m135x transmission.

Frequently Asked Questions For Kubota M135X Transmission Problems

What Are Common Transmission Problems In Kubota M135X Tractors?

Some common kubota m135x transmission problems include excessive noise, slipping gears, difficulty shifting, and overheating. These issues may be caused by a damaged clutch, worn-out gears, low or contaminated transmission fluid, or a malfunctioning transmission pump.

How Do I Know If My Kubota M135X Tractor Has A Transmission Problem?

If you notice any strange noises, difficulty shifting gears, or slipping gears in your kubota m135x tractor, these may be symptoms of a transmission problem. In addition, if the transmission fluid looks dirty or smells burnt, or if you notice any leaks, it’s best to have a professional inspect your tractor.

Can I Fix Transmission Problems In My Kubota M135X Tractor Myself?

It depends on the nature and severity of the problem. Some minor transmission problems, such as low fluid levels or clogged filters, can be fixed by the tractor owner. However, more serious problems such as damaged gears or clutch plates are best left to a professional kubota technician.

How Often Should I Check The Transmission Fluid In My Kubota M135X Tractor?

You should check the transmission fluid in your kubota m135x tractor at least once a month or before each use. It’s also important to follow the recommended maintenance schedule in your tractor’s owner’s manual, which may involve changing the fluid every 100-200 hours of operation.

What Is The Cost Of Repairing Transmission Problems In A Kubota M135X Tractor?

The cost of repairing transmission problems in a kubota m135x tractor varies depending on the nature and severity of the problem. Minor issues, such as low fluid levels, may only cost a few hundred dollars to fix, while more serious problems such as damaged gears or clutch plates can cost several thousand dollars to repair.

It’s best to obtain an estimate from a professional kubota technician.

How Can I Prevent Transmission Problems In My Kubota M135X Tractor?

Regular maintenance and servicing can help prevent transmission problems in your kubota m135x tractor. This includes following the recommended maintenance schedule in your owner’s manual, checking the transmission fluid regularly, and performing regular inspections for leaks or damage. It’s also important to operate your tractor within its recommended specifications and not overload it.


After analyzing the kubota m135x transmission problems, it is essential to acknowledge that no equipment is entirely perfect. Even though the transmission defects can cause frustrations and inconvenience, it is important to view them as challenges to be addressed through proper maintenance practices.

Kubota m135x owners must inspect and maintain their machines regularly to prevent such defects from arising or worsening. There is hope for kubota m135x owners since the majority of the transmission defects are manageable. Minimizing clutch usage, regular inspections, and maintenance and taking quick action when unusual sound or movements occur can prevent major transmission repairs.

If detected earlier, some transmission problems may only require minor parts replacements, which are affordable compared to replacing the entire gearbox. Kubota m135x tractors are reliable and durable pieces of machinery, yet the transmission problems highlight the need for proper care and maintenance.

By undertaking routine service, early detection, and quick repair of defects, owners can mitigate the risks of significant transmission challenges and enjoy prolonged use of their tractors with minimal downtime.

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