Product Description
CR 111790-009 hydraulic seal kit for Crown electric lift trucks. Direct replacement for OEM 111790-009, engineered to restore cylinder hydraulic sealing performance. Includes NBR and PTFE seals, back-up rings, and wear ring. Compatible with a range of Crown lift truck hydraulic cylinders; interchangeable with 111790-9 and CRN-111790-9.
Specifications
Part Numbers & Compatibility
| Make | Crown |
| Part Number | CR 111790-009 |
| Manufacturer Part Number | 111790-009 |
| Alternate Search Part Numbers | CR111790-009, 111790-9, CRN-111790-9 |
| Cross-Reference Part Numbers | Equivalent to 111790-9, CRN-111790-9; no supersedes or replaced part numbers identified |
Additional Specifications
| Seal Material Composition | Nitrile (NBR) and PTFE (polytetrafluoroethylene) |
| Maximum Working Pressure | Rated for hydraulic cylinder pressures to 3000 PSI |
| Wear Ring Material | Reinforced nylon/polymer |
| U-Seal Material | Nitrile (NBR) or fluorocarbon, depending on cylinder specification |
Frequently Asked Questions
Q: Which Crown lift truck models is this seal kit compatible with?
A: The CR 111790-009 is compatible with Crown lift truck hydraulic cylinder assemblies.
Q: What materials are used in this seal kit?
A: The CR 111790-009 seal kit includes nitrile (nbr) seals, ptfе back-up rings, and a wear ring. These materials are designed to meet Crown specifications for durability and performance.
Q: How do I know if the cylinder seals need replacement?
A: Signs that the cylinder seals may have failed include visible hydraulic fluid leakage, spongy or unresponsive lift action, hissing sounds during operation, or a rapid drop when holding a load. These symptoms indicate worn seals that should be replaced.
Q: What are the cross-reference part numbers?
A: CR 111790-009 is equivalent to 111790-9 and crn-111790-9. All three part numbers reference the same seal kit.
Q: Is this a replacement part for Crown lift trucks?
A: Yes, the CR 111790-009 is a replacement part designed for use in Crown lift trucks. It restores hydraulic sealing performance to the cylinder assemblies.