5 Most Common Bobcat 335 Problems

The Bobcat 335 is a sturdy and reliable machine, but like any other tractor, it’s not immune to issues.

Over the years, both I and my cousin, who’s also a farmer, have come across several problems with this model.

In this blog post, I’ll share those problems, along with DIY solutions and when it’s time to call in a professional or take your tractor to the garage. So, let’s dive right in!

Overview of the Bobcat 335: Before we get into the problems, let me give you a summary of the Bobcat 335 for those who may not be familiar with it.

This compact excavator is perfect for smaller agricultural tasks, like digging trenches, lifting materials, and moving debris.

It boasts a powerful engine and excellent maneuverability, making it a reliable choice for various farming activities.

Most Common Bobcat 335 Problems

Problem 1: Engine Overheating:

One common issue we’ve encountered with the Bobcat 335 is engine overheating, especially during prolonged use or on hot summer days.

DIY Solution: Check the coolant level regularly and ensure it’s at the recommended level. Clean the radiator and ensure there are no clogs obstructing airflow. Also, make sure the cooling fan is functioning correctly.

Professional/Garage Solution: If DIY efforts don’t resolve the issue, it’s best to call in a professional mechanic. They can diagnose the problem accurately, whether it’s a faulty thermostat, water pump, or something more serious.

Costing: Hiring a professional to address engine overheating can cost around $200 to $500, depending on the extent of the repairs.

Problem 2: Hydraulic Leaks:

Another problem that crops up with the Bobcat 335 is hydraulic leaks. You may notice puddles of hydraulic fluid under the machine or a drop in hydraulic performance.

DIY Solution: Inspect the hydraulic hoses, fittings, and seals for any signs of damage or wear. Tighten loose connections and replace damaged parts. Remember to use the correct hydraulic fluid as recommended in the tractor’s manual.

Professional/Garage Solution: If the leaks persist or are severe, it’s best to have a professional technician take a look. They can identify the source of the leaks and replace any faulty components.

Costing: Repairing hydraulic leaks might set you back anywhere from $100 to $500, depending on the extent of the damage.

Problem 3: Electrical Issues:

The Bobcat 335 can experience electrical problems, such as a malfunctioning starter, dead battery, or issues with lights.

DIY Solution: Check the battery regularly for corrosion and ensure the connections are tight. Test the alternator to see if it’s charging the battery properly. Replace blown fuses and worn-out bulbs for lights.

Professional/Garage Solution: If your DIY attempts don’t fix the electrical issues, it’s time to consult a professional electrician who can diagnose and fix the problem.

Costing: Electrical repairs can range from $50 to $300, depending on the complexity of the issue.

Problem 4: Track Tension Problems:

Over time, the track tension on the Bobcat 335 may become misaligned, leading to track slipping or uneven wear.

DIY Solution: Check the track tension regularly and follow the tractor’s manual to adjust it properly. Keep the tracks clean and free from debris to prevent unnecessary wear.

Professional/Garage Solution: If you’re unsure about adjusting the track tension yourself, hire a professional to do it for you. They have the expertise to set it right.

Costing: Hiring a professional to adjust track tension can cost between $100 to $200.

Problem 5: Slow or Sluggish Performance:

Your Bobcat 335 may lose its usual agility and become slow or sluggish over time.

DIY Solution: Check the air filters and clean or replace them if they’re dirty. Inspect the fuel system for clogs or issues, and change the fuel filter if needed.

Professional/Garage Solution: If the tractor’s performance doesn’t improve with DIY efforts, it’s time to seek professional help. They can diagnose the underlying issue and restore the tractor’s speed.

Costing: Fixing performance issues can range from $100 to $500, depending on the problem’s complexity.


Q1: Is the Bobcat 335 a good tractor for small farms?

A1: Absolutely! The Bobcat 335’s compact size and versatility make it an excellent choice for small-scale agricultural tasks. It’s maneuverable and powerful enough to handle various farm jobs with ease.

Q2: How often should I perform routine maintenance on my Bobcat 335?

A2: Regular maintenance is essential to keep your tractor running smoothly. Follow the maintenance schedule outlined in the tractor’s manual, which typically includes tasks like oil changes, filter replacements, and checks on vital components.

Q3: Can I use aftermarket parts for repairs?

A3: While aftermarket parts might be more affordable, I recommend using genuine Bobcat parts for replacements and repairs. They are specifically designed for your tractor model and ensure optimal performance and longevity.

Q4: How can I prevent engine overheating during hot days?

A4: On scorching days, take regular breaks during heavy work to give the engine a chance to cool down. Additionally, consider using a shade canopy to protect the tractor from direct sunlight when not in use.

Q5: What type of hydraulic fluid should I use for the Bobcat 335?

A5: Always use the hydraulic fluid recommended in the tractor’s manual. Using the wrong type of fluid can cause damage to the hydraulic system.

Q6: Can I rent a Bobcat 335 for a short-term project?

A6: Yes, many equipment rental companies offer Bobcat 335 rentals for short-term projects. It’s a cost-effective solution if you only need the tractor for a limited time.


Well, there you have it, folks! The Bobcat 335 is a reliable workhorse, but it does have its fair share of problems.

The good news is that most of these issues can be resolved with some DIY know-how, while others may require the expertise of a professional.

Remember always to consult the tractor’s manual and follow safety guidelines when performing DIY repairs.

I hope my experiences and the solutions I’ve shared here prove helpful to you all. If you’ve faced any other common tractor problems or have specific topics you’d like me to cover in future blog posts, feel free to let me know in the comments below.

Thank you for reading, and I look forward to sharing more of my farming experiences with you soon. Happy farming, everyone!

Dear readers,

I hope you enjoyed reading about the common problems I’ve faced with the Bobcat 335 and the solutions I’ve learned along the way.

If you found this post helpful, I encourage you to explore my other blog posts on farming, agriculture machinery, and tractor maintenance.

I genuinely appreciate your support and feedback. If you have any questions, or suggestions, or want to share your own experiences with tractor problems, don’t hesitate to leave a comment below. Your insights can help our farming community tackle challenges more effectively.

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