Product Description
Toyota ROL-LIFT Seal Kit, OEM part 00591-44547-81, designed for hydraulic pump repair on manual pallet jack models. Contains nitrile seals, gaskets, and heavy-duty components with precise diameter tolerances for reliable restoration of lifting performance.
Specifications
Hydraulic
| Seal Material Specification | Nitrile (Buna-N) elastomer, compatible with ISO 32 hydraulic oil |
| Maximum System Pressure Rating | 3500 PSI working pressure |
Material
| Seal Hardness | 70 Shore A durometer |
Part Numbers
| Manufacturer Part Number | 00591-44547-81 |
| OEM Part Number | 00591-44547-81 |
Performance Specifications
| Cycle Life | Minimum 10,000 cycles at rated pressure |
Frequently Asked Questions
Q: What does the 00591-44547-81 Toyota ROL-LIFT seal kit contain?
A: The 00591-44547-81 is a complete seal kit for Toyota manual pallet jack hydraulic pumps. It contains nitrile seals, gaskets, and heavy-duty components with precise diameter tolerances. All components are pre-sized for direct replacement in the pump cavity.
Q: What material are the seals and what hydraulic fluid do they work with?
A: The seals are manufactured from nitrile elastomer (Buna-N) with 70 Shore A hardness rating. They are compatible with ISO 32 hydraulic oil commonly used in manual pallet jack systems. Verify your equipment uses ISO 32 oil before installation.
Q: What is the pressure rating for this seal kit?
A: The 00591-44547-81 seal kit is rated for 3500 PSI maximum working pressure. This exceeds the typical 2000-2500 PSI operating range of manual pallet jack hydraulic systems and provides reliable performance across the equipment lifetime.
Q: What is the cycle life specification for these seals?
A: The seals in this kit are rated for a minimum of 10000 pump cycles before wear becomes significant. Actual service life depends on operating conditions, oil cleanliness, and maintenance practices. Replace when leakage appears around the pump or lifting performance degrades.
Q: Which Toyota manual pallet jack models are compatible with this seal kit?
A: The 00591-44547-81 is designed for Toyota ROL-LIFT and Toyota manual pallet jack models equipped with compatible pump assemblies. Cross-reference your equipment model number and pump style against Toyota documentation to verify compatibility before ordering.
Q: What are signs that this seal kit is needed?
A: Replace seals when you observe hydraulic fluid leaking around the pump shaft, slow lifting despite a full reservoir, spongy control lever response, or if the pump produces grinding noise. These symptoms indicate worn seals that reduce pump efficiency and risk total hydraulic failure.