Product Description
Wiper ring
Frequently Asked Questions
Q: What is the wiper ring TO 00591-39445-81 used for?
A: The wiper ring TO 00591-39445-81 is an OEM Toyota part designed for electric lift truck applications. It functions as a sealing and wiping component in hydraulic or pneumatic cylinders, preventing dirt and contamination from entering the system while managing fluid leakage during rod extension and retraction cycles.
Q: Which Toyota electric lift truck models are compatible with the TO 00591-39445-81 wiper ring?
A: The TO 00591-39445-81 is an authentic Toyota OEM part for electric lift trucks. Verify the part number against your equipment documentation or contact our parts team with your specific model and serial number to confirm compatibility before ordering.
Q: What materials and dimensions does the TO 00591-39445-81 wiper ring have?
A: Specific dimensional and material specifications for the TO 00591-39445-81 are available in the Toyota OEM documentation. Wiper rings typically use elastomer or polyurethane compounds with hardness ratings suited to hydraulic fluid compatibility. Contact us with your equipment details for exact specifications.
Q: How long does a wiper ring typically last before replacement?
A: Wiper ring lifespan depends on duty cycle, fluid temperature, and rod speed. Under normal intermittent material handling use, wiper rings typically operate 2,000 to 5,000 hours before requiring replacement. Increased leakage or visible fluid weeping indicates wear and the need for replacement.
Q: What are cross-reference or equivalent part numbers for TO 00591-39445-81?
A: The TO 00591-39445-81 is a Toyota OEM part. No superseding or cross-reference part numbers are documented. For compatibility verification or sourcing alternatives, provide your equipment model, serial number, and the cylinder or component specification to our parts team.
Q: What happens if the wiper ring TO 00591-39445-81 fails?
A: A failed wiper ring allows dirt, moisture, and debris to enter the hydraulic cylinder, causing rod seal damage, internal corrosion, and cylinder malfunction. Early symptoms include visible fluid leakage around the rod, erratic lift performance, or jerky cylinder movement. Replacement is recommended immediately to prevent secondary damage.