Hydraulic Filter Part Numbers for Toyota SDK8 and SDK5 Series

[MikePhua]

For Toyota SDK8 and SDK5 series skid steer loaders, selecting the correct hydraulic filter is essential for maintaining optimal performance and preventing damage to the hydraulic system. The hydraulic filter ensures that contaminants are removed from the hydraulic fluid, thereby protecting pumps, valves, and actuators from wear and failure.
Common Hydraulic Filter Part Numbers
Several part numbers are commonly associated with the hydraulic filters for these models:

• SH 56329: A widely used filter compatible with multiple Toyota models, including SDK4, SDK5, SDK6, SDK7, and SDK8. This filter is known for its durability and efficiency in filtration.
  
• 67501-41801-71: Specifically designed for the SDK8 series, this filter is often used in conjunction with the hydraulic system's suction side.
  
• 67512-41801-71 and 67512-41803-71: These part numbers correspond to filters used in the hydraulic system of the SDK8 series up to September 1981. Post-September 1981 models may require the updated 67512-41803-71 filter.
  

Filter Specifications
When selecting a hydraulic filter, it's important to consider the following specifications:

• Bypass Valve: Ensures that the filter does not restrict fluid flow if it becomes clogged.
  
• Micron Rating: Indicates the size of particles the filter can remove; a lower micron rating means finer filtration.
  
• Flow Capacity: Matches the hydraulic system's flow rate to ensure adequate filtration without restricting performance.
  
• Thread Size: Matches the filter's mounting thread to the hydraulic system's filter head.
  

Installation and Maintenance Tips

• Regular Replacement: Hydraulic filters should be replaced at intervals recommended by the manufacturer or based on operating conditions.
  
• Proper Installation: Ensure the filter is installed correctly, with the bypass valve oriented as specified, to prevent system contamination.
  
• System Flushing: After replacing the filter, consider flushing the hydraulic system to remove any residual contaminants.
  
• Monitor Performance: Keep an eye on hydraulic performance indicators such as pressure readings and actuator responsiveness to detect any issues early.
  

Conclusion
Selecting the correct hydraulic filter for your Toyota SDK8 or SDK5 series skid steer loader is crucial for maintaining the health of the hydraulic system. By adhering to the recommended part numbers and specifications, and following proper installation and maintenance practices, you can ensure reliable and efficient operation of your equipment.
For further information or assistance in selecting the appropriate filter, consult the equipment's service manual or contact a certified Toyota parts dealer.