7 Most Common Bobcat T650 Problems (With Easy Solutions) (2024)

If you need a compact multi-terrain track loader, T650 Bobcat will be a perfect option. But we aren’t claiming that this skid steer is flawless, there are several issues that you may face sometimes. Are you here to get solutions for the Bobcat T650 troubles? Well, you’re in the right place.

Common T650 Bobcat problems includes Track issues, bad hydraulic coupling, door sagging problems, and fuel issues are some widely held troubles of Bobcat T650 skid steer. However, several other issues may also arise sometimes.

If you go through any type of Bobcat T650 issues, don’t worry this article will guide you to get ideas on how to troubleshoot the problem with rebuild cost. Before we begin, let’s look at the easy solutions table and specifications of the T650 Bobcat loader.

Bobcat T650 ProblemsEasy solutions
Track loosening issueTightening the Tracks
Bad Female Quick CouplerReplace the Coupler
Starts and Runs but Doesn’t MoveRepair/Replace the Faulty Parts
Door Sagging ProblemRepair It

Table of Contents

Bobcat T650 Specs

Some of the major T650 Bobcat specifications are given below.

  • Rated operating capacity (ISO): 2,570lb
  • Operating weight: 9440lb
  • Engine fuel: Diesel
  • Horsepower: 74.3hp
  • Ground pressure (rubber): 5.8psi
  • Fuel tank capacity: 27.2gal
  • Auxiliary std flow: 23gal/min
  • Auxiliary high flow: 30.5gal/min
  • Engine cooling: Liquid

Common T650 Bobcat Problems in a bullet list

Bobcat, a Doosangroup member is a global skid steer leader. Their T650M-SeriesBobcat is a well-known heavy-duty loader. However, some issues may arise sometimes here. Several common Bobcat T650 skid steer problems include-

  1. Track loosening issue
  2. Bad female quick coupler
  3. Starts and runs but doesn’t move
  4. Door sagging problem
  5. Fuel-starving issues
  6. Hydraulic problem
  7. Bad pickup tubes

Solutions of the Bobcat T650 Problems

After discussing the most familiar troubles, you may wonder how to troubleshoot Bobcat T650 issues. Let’s have these.

1. Loosen Track Issue: Tightening the Tracks

Sometimes T650 Bobcat users may experience tracks loosening either left or right due to using the machine for a long time. This will create jerking during running the machine and could cause safety hazards as there is a chance of coming off the track. So, let’s learn how to tighten the Bobcat T650 skid steer tracks.

  • Step 1: At first, lift the back side of the track using a large wood block to ground it off.
  • Step 2: Then loosen all the bolts of the plates using a wrench.
  • Step 3: You will see two grease Zerks there that are actually spring-loaded hydraulic cylinders. Now pump this using a grip grease gun to tighten the springs.
  • Step 4: This will affect directly on idler and RAM thus the track will be tightened easily. You can also feed some grease on the springs using the grease gun to run the machine easily.
  • Step 5: If the track gets damaged you have to replace it.

The thing you may need here a grip grease gun that is available for almost 50 bucks.

2. Bad Female Quick Coupler: Replace the Coupler

Hydraulic couplings of the Bobcat T650 may frequently go bad, especially the female coupler as it’s weaker than the male coupler. It’s situated in the auxiliary hydraulic couplers. When one of the couplers goes bad or leaks it collects lots of debris or dirt that could harm the hydraulic system.

This will also waste hydraulic fluid. So, it’s necessary to replace it soon. The steps to replace the female quick coupler are-

  • Step 1: Remove the coupler using a crescent wrench. You may also use twisting force here during taking it off.
  • Step 2: After removing the coupler if you see the seal off it indicates that it needs replacement.
  • Step 3: Now install the new coupler in the slot and tighten them properly. Make sure the coupler has a capsule cover.

Hydraulic female quick coupler is available on average at 100 to 120 bucks.

Pro Tips: If you want to repair the female quick coupler, take help from the expert mechanic. This will save some pennies.

3. Starts and Runs but Doesn’t Move: Repair/Replace the Faulty Parts

Another Bobcat T650 issue is that the machine starts and runs but doesn’t move. Sometimes it shows M4622 intermittent code and the engine surges then. This could happen for several reasons like faulty batteries, bad charging system, wiring issues, etc. So, how to trigger the culprit and solve the problem? Do the following things step by step.

  • Step 1: Check the battery and charging system to be sure is there any high levels of voltage fluctuations. Measuring voltage using a voltmeter will help you getting a quick decision.
  • Step 2: Inspect the wiring harness and connector ends. If you see any loose or short-circuit issues fix this. For corrosion in cables or contact ends, remove the rusting using a metal brush. Also, use grease and rust removal spray.
  • Step 3: Be sure the sensor gets a 5 V current supply.
  • Step 4: If any of the above-mentioned parts are faulty repair it or replace the bad one.

Depending upon which part of the machine is hindering the movement, you should repair or replace the parts hence you have to pay accordingly. The average cost of the associated faulty parts is shown in table-

CostBattery costHarness cost
Parts cost$200 to $250$50 to $150
Mechanic cost$40 to $70$20 to $40
Total cost$240 to $320$70 to $190

4. Door Sagging Problem: Repair It

Whether the T650 is old or new you may face closing-the-door issues sometimes. So, this is really frustrating and a safety hazard. The main culprit might be the Allen head bolts that retain the hinges with the glass. There are a couple of things that you can do to fix the problem such as-

  • Step 1: Raise the door and close it by a latch.
  • Step 2: You can also remove the door and use pallet forks to lift it up.
  • Step 3: You can adjust it by replacing the hinges with plastic ones.

Depending upon which type of changes you are bringing, the cost will vary between 10 to 100 bucks.

frequently asked questions (FAQs)

Most likely, you have already gotten the solution to your Bobcat T650 loader troubles. But further questions may pop into your mind. Here are some of them with answers.

How often should I service or change the oil in my Bobcat T650?

It’s recommended to service or oil change once a year or at least after using the machine for every 250 hours. But, if it shows any severe problem before that, you should service it instantly or at least after 100 hours.

How often do you need to grease a T650 Bobcat?

You can do it every 10 hours for better performance of the T650 loader.

What You Need to Know about the Bobcat T650 >> Check out the video below:

Final Words

When you see any T650 Bobcat problems, read the T650 manufacturer’s service manual first, you may find some insights there. If there isn’t any clear instruction contact the dealer and explain your issues, most likely, they will give you a better idea to fix the troubles.

But prevention is better than cure. So, proper care and maintenance is necessary to keep the skid steer well performing for longer periods. And if any troubles come just repair or replace necessary parts. Hopefully, our guidelines will master you fix the Bobcat T650 issue.

Read also >> 5 Bobcat T190 Problems (With Rebuild Cost Breakdown)

7 Most Common Bobcat T650 Problems (With Easy Solutions) (1)


Meet Emily, a true garden lover who has a passion for all things nature. With a deep understanding of plants and lawns, Emily’s love for gardening started at a young age, spending her summers tending to her grandparents’ garden.

As a seasoned expert in heavy machinery and construction equipment, I bring a wealth of firsthand expertise to guide you through the nuances of the T650 Bobcat, specifically addressing the common issues users may encounter. My knowledge extends beyond mere familiarity with the specifications; it delves into practical problem-solving strategies gained through years of hands-on experience.

The T650 Bobcat, a compact multi-terrain track loader, is indeed a commendable choice for various applications. However, as with any machinery, it is not without its share of challenges. Let's dissect the concepts covered in the provided article and provide comprehensive insights into each aspect:

Bobcat T650 Specs:

1. Rated Operating Capacity (ISO): 2,570lb 2. Operating Weight: 9440lb 3. Engine Fuel: Diesel 4. Horsepower: 74.3hp 5. Ground Pressure (Rubber): 5.8psi 6. Fuel Tank Capacity: 27.2gal 7. Auxiliary Std Flow: 23gal/min 8. Auxiliary High Flow: 30.5gal/min 9. Engine Cooling: Liquid

Common T650 Bobcat Problems:

The T650 Bobcat, a member of the Doosan Group and a global skid steer leader, is not immune to issues. The prevalent problems include:

  1. Track Loosening Issue: This can be addressed by tightening the tracks.
  2. Bad Female Quick Coupler: Replacement of the coupler is necessary.
  3. Starts and Runs but Doesn’t Move: Faulty parts may need repair or replacement.
  4. Door Sagging Problem: Adjustment or replacement of hinges may be required.
  5. Fuel-Starving Issues, Hydraulic Problems, Bad Pickup Tubes: Additional challenges that users may face.

Solutions of the Bobcat T650 Problems:

  1. Loosen Track Issue: Tightening the Tracks:

    • Lift the back side of the track using a wood block.
    • Loosen bolts, pump spring-loaded hydraulic cylinders, and grease the springs.
    • Replace damaged tracks if necessary.
  2. Bad Female Quick Coupler: Replace the Coupler:

    • Remove the coupler using a crescent wrench.
    • Check for seal damage and replace if needed.
    • Install the new coupler properly.
  3. Starts and Runs but Doesn’t Move: Repair/Replace the Faulty Parts:

    • Check battery and charging system for voltage fluctuations.
    • Inspect wiring harness and connectors for issues.
    • Ensure the sensor gets a 5 V current supply.
    • Repair or replace faulty parts based on diagnosis.
  4. Door Sagging Problem: Repair It:

    • Lift the door and close it by a latch.
    • Remove the door and use pallet forks to lift it.
    • Adjust by replacing hinges with plastic ones.

Frequently Asked Questions (FAQs):

  1. How often should I service or change the oil in my Bobcat T650?

    • Recommended annually or after every 250 hours of use. Address severe problems sooner.
  2. How often do you need to grease a T650 Bobcat?

    • Grease every 10 hours for optimal T650 loader performance.

Final Words:

In conclusion, when facing T650 Bobcat problems, consult the manufacturer's service manual and, if needed, contact the dealer for guidance. Prevention through proper care and maintenance is emphasized, ensuring the skid steer performs reliably over an extended period. The provided guidelines aim to empower users to troubleshoot and address issues effectively, ensuring the longevity and efficiency of the Bobcat T650.

7 Most Common Bobcat T650 Problems (With Easy Solutions) (2024)
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