How To Husqvarna Zero Turn Hydraulic Fluid Change

Husqvarna Zero Turn mower fluid change is essential to prolong its lifespan and ensure optimal performance because it plays a vital role in the smooth operation of your mower. 

To change the hydraulic fluid in your Husqvarna Zero Turn mower, you’ll need to locate the hydraulic reservoir, drain the old fluid, and replace it with the recommended hydraulic fluid according to the manufacturer’s guidelines. 

This simple process can significantly improve your mower’s efficiency and longevity.

In this article, I’ll guide you on changing Husqvarna Zero Turn mover hydraulic fluid, safety tips for this process, and how to increase its lifespan. 

To learn all this valuable information, read this article till the end. 

What is Hydraulic Fluid, and Why is it Important?

Hydraulic fluid plays a crucial role in the hydraulic system of your Husqvarna zero-turn mower, functioning as a lubricant, coolant, and sealant for its moving parts.

This hydraulic system drives the mower’s wheels and blades, with the hydraulic fluid ensuring their seamless operation.

Using contaminated or aged hydraulic fluid can lead to significant performance issues with your mower. 

Also Read: Why Husqvarna Riding Mower Won’t Move Forward or Reverse?

Signs that You Need to Change Hydraulic Fluid 

The hydraulic fluid in your Husqvarna zero-turn mower is something other than what you typically check. So, when do you need to change it? 

1. One sign of contaminated hydraulic fluid is if you notice a difference in your mower’s performance. 
2. If you experience a loss of speed, or poor maneuverability, or hear unusual noises, it may be a sign that you need to change the hydraulic fluid. 
3. Another sign is if you notice a significant decrease in the fluid level. This could indicate a leak or other issue with the hydraulic system.  

Also Read: Husqvarna Zero Turn Mower Problems

Husqvarna Zero Turn Hydraulic Fluid Change Complete Guide

Regular hydraulic fluid changes are essential for maintaining the optimal performance of your Husqvarna zero-turn mower.

This guide will walk you through the process, providing helpful tips and precautions for a successful hydraulic fluid change.

Tools and Materials

• Appropriate hydraulic fluid (consult owner’s manual)
• Drain pan
• Funnel
• Clean rags
• Gloves
• Safety glasses

Step 1: Preparing for the Fluid Change

1. Park the mower on a level surface and engage the parking brake.
2. Turn off the engine and allow it to cool.
3. Disconnect the spark plug wire to prevent accidental starting.
4. Locate the hydraulic reservoir and drain plug.

Step 2: Draining the Old Hydraulic Fluid

1. Position the drain pan beneath the drain plug.
2. With gloves and safety glasses on, cautiously remove the drain plug.
3. Let the used hydraulic fluid empty into the pan.
4. Wipe the drain plug using a rag before reinstalling it.

Also Read: Husqvarna Zero Turn Steering Problems (Causes, Solutions, & Tips)

Step 3: Refilling the Hydraulic Reservoir

1. Consult your owner’s manual for the recommended hydraulic fluid type and capacity.
2. Place a funnel in the reservoir’s fill hole.
3. Slowly pour the new hydraulic fluid into the reservoir until it reaches the recommended level.
4. Remove the funnel and wipe any spills with a clean rag.
5. Reinstall the filler cap securely.

Step 4: Purging Air from the Hydraulic System

1. Start the mower’s engine and let it idle for a few minutes.
2. Slowly move the control levers forward and backward several times to purge air from the system.
3. Recheck the hydraulic fluid level and top off if necessary.

Step 5: Reconnecting the Spark Plug Wire and Final Checks

• Reconnect the spark plug wire.
• Test the mower’s operation, ensuring smooth movement and function. 
• If you follow the steps, you’re job is successfully done. 

Frequently Asked Questions (FAQs)

How to Change Hydraulic Fluid on Zero-turn Mower?

Take out the drain plug, letting the old hydraulic fluid drain entirely. Refill the hydraulic reservoir with the suggested fluid up to the proper level.

Switch on the mower and operate the hydraulic system several times for the even distribution of the new fluid.

Following the cycling process, verify the fluid level, making sure it aligns with the recommended amount.

How Often Should You Change the Hydraulic Fluid?

Husqvarna recommends changing your zero-turn mower’s hydraulic fluid after the first 75 hours of use, then every 400 hours after that.

However, if you’re using your mower in harsh conditions, you may need to change the hydraulic fluid more frequently.  

What Kind of Hydraulic Fluid does a Husqvarna zero-turn Use?

Husqvarna zero-turn mowers typically require a high-quality hydraulic fluid designed for hydrostatic transmissions.

It’s essential to use a fluid that meets the manufacturer’s specifications, such as a 20W-50 motor oil or SAE 10W-50 synthetic oil. 

Conclusion

Changing the hydraulic fluid in your Husqvarna zero-turn mower is essential to its overall performance and lifespan. 

Knowing the signs of contaminated hydraulic fluid, how often you should change it, and how to change it can save you from costly repairs and ensure your mower runs smoothly. 

Regular maintenance is vital to keeping your investment in tip-top shape, and changing the hydraulic fluid is one of the most crucial maintenance tasks you can perform. 

By following the manufacturer’s recommendations for maintenance, your Husqvarna zero-turn mower will give you years of reliable performance and enjoyment.