What kind of hydraulic fluid does an IC forklift truck use?

Jan 22, 2026

Leave a message

Sophia Li
Sophia Li
As the Director of Human Resources at青岛联合众创控股有限公司, I lead initiatives to develop and retain top talent. Our team is committed to excellence in electric forklift manufacturing.

As a supplier of IC Forklift Trucks, I understand the importance of using the right hydraulic fluid to ensure the optimal performance and longevity of these powerful machines. In this blog, I'll delve into the types of hydraulic fluids suitable for IC forklift trucks, their characteristics, and why choosing the correct one matters.

Understanding the Role of Hydraulic Fluid in IC Forklift Trucks

Hydraulic systems are the heart of an IC forklift truck. They are responsible for powering the lifting, tilting, and steering functions. The hydraulic fluid acts as a medium that transfers power within the system. It also lubricates moving parts, prevents corrosion, and helps in dissipating heat generated during operation.

Types of Hydraulic Fluids for IC Forklift Trucks

Mineral Oil - Based Hydraulic Fluids

Mineral oil - based hydraulic fluids are the most commonly used type in IC forklift trucks. They are derived from crude oil through a refining process. These fluids offer several advantages:

5-10 Ton Diesel ForkliftIC Forklift Truck

  • Good Lubrication: They provide excellent lubrication to the hydraulic components, reducing wear and tear on pumps, valves, and cylinders. This extends the lifespan of these critical parts.
  • Cost - Effective: Mineral oil - based fluids are generally more affordable compared to some synthetic alternatives. This makes them an attractive option for many forklift operators, especially those with large fleets.
  • Wide Temperature Range: They can operate effectively within a reasonable temperature range, which is suitable for most indoor and outdoor forklift applications.

However, they also have some limitations. Mineral oil - based fluids are not as resistant to oxidation and thermal breakdown as synthetic fluids. This means that in high - temperature environments or under heavy - duty usage, they may degrade more quickly, leading to a shorter service life and potential system problems.

Synthetic Hydraulic Fluids

Synthetic hydraulic fluids are engineered in a laboratory to meet specific performance requirements. They offer several benefits over mineral oil - based fluids:

  • High - Temperature Resistance: Synthetic fluids can withstand much higher temperatures without significant degradation. This makes them ideal for forklift trucks operating in hot climates or under heavy - load, continuous - use conditions.
  • Oxidation Resistance: They are highly resistant to oxidation, which means they have a longer service life. This reduces the frequency of fluid changes, saving both time and money in the long run.
  • Better Viscosity Stability: Synthetic fluids maintain their viscosity better over a wide range of temperatures. This ensures consistent performance of the hydraulic system, regardless of whether the forklift is operating in cold or hot conditions.

On the downside, synthetic hydraulic fluids are more expensive than mineral oil - based fluids. This can be a deterrent for some budget - conscious operators.

Biodegradable Hydraulic Fluids

In recent years, there has been a growing demand for environmentally friendly solutions in the forklift industry. Biodegradable hydraulic fluids are made from renewable resources such as vegetable oils or synthetic esters. They offer the following advantages:

  • Environmental Friendliness: These fluids are designed to break down quickly in the environment, reducing the impact of spills and leaks. This is particularly important for forklift operations in sensitive areas such as food processing plants or near water sources.
  • Good Lubrication Properties: They provide adequate lubrication for hydraulic components, ensuring smooth operation of the forklift.

However, biodegradable fluids may have a shorter shelf life and are generally more expensive than mineral oil - based fluids. They also require careful handling and storage to prevent contamination and degradation.

Factors to Consider When Choosing Hydraulic Fluid

When selecting the appropriate hydraulic fluid for an IC forklift truck, several factors need to be taken into account:

  • Operating Conditions: Consider the temperature range, humidity, and the level of dust or contaminants in the operating environment. For example, if the forklift is used outdoors in a hot climate, a synthetic fluid with high - temperature resistance may be the best choice.
  • Forklift Model and Manufacturer Recommendations: Always refer to the forklift's owner's manual or consult the manufacturer for their recommended hydraulic fluid. Different forklift models may have specific requirements based on the design of their hydraulic systems.
  • Cost: Balance the initial cost of the fluid with its long - term benefits. While synthetic fluids may be more expensive upfront, their longer service life and better performance may result in cost savings over time.

Our Product Range and the Importance of Quality Hydraulic Fluid

At our company, we offer a wide range of IC Forklift Trucks, including Container Handling Forklift and 5 - 10 Ton Diesel Forklift. We understand that using the right hydraulic fluid is crucial for the reliable operation of these forklifts.

We recommend working closely with our customers to ensure they select the most suitable hydraulic fluid for their specific needs. Our team of experts can provide guidance on fluid selection, as well as maintenance tips to keep the hydraulic system in top condition.

Encouraging Contact for Purchase and Consultation

If you're in the market for an IC forklift truck or need advice on the right hydraulic fluid for your existing equipment, we're here to help. Our goal is to provide you with high - quality products and excellent customer service. Whether you're a small business owner or manage a large industrial fleet, we have the solutions to meet your requirements.

Don't hesitate to reach out to us for more information. We're ready to engage in a productive discussion about your forklift needs and how we can assist you in making the best choices for your operations.

References

  • "Hydraulic Fluids: Properties and Performance" by the Fluid Power Society.
  • Forklift manufacturer's technical manuals and guidelines.
  • Industry research reports on forklift maintenance and hydraulic system performance.
Send Inquiry
Excellent service for win-win
Emphasis on user-centric services
Insisting on user interests first
contact us