Seal Kit for Crown WAVE
CR 111790-001
Electric motors are model-, voltage-, rotation-, mounting-, shaft-, and sometimes serial-number specific. Installing an incompatible motor may result in equipment damage, electrical damage, or unsafe operation.
Before ordering, confirm:
- Equipment make and model
- Serial number (if applicable)
- Operating voltage
- Rotation direction (CW / CCW)
- Shaft diameter and length
- Mounting pattern and flange type
If you’re unsure, contact us before purchasing with your equipment details.
Non-Refundable Item: Motors are non-refundable. Please verify compatibility before purchasing.
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Compatibility
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Visit our diagram page for part references to popular models
Product Description
The 111790-001 is a complete hydraulic cylinder seal kit manufactured by Crown for WAVE electric work assist vehicles. This restoration kit contains NBR U-cup seals, PTFE back-up rings, and nylon wear rings—all the components needed to restore full hydraulic performance to lift truck cylinder assemblies. Designed for direct fitment on Crown WAVE pallet jack cylinders, this kit provides reliable sealing for demanding warehouse and dock operations. Ideal for operators experiencing hydraulic leakage, reduced lift speed, or erratic performance. All materials meet Crown specification standards for durability and safety.
Specifications
Part Numbers & Compatibility
| Make | Crown |
| Model | WAVE |
| Manufacturer Part Number | 111790-001 |
| Compatibility | Crown WAVE electric lift truck hydraulic cylinders |
Additional Specifications
| Primary Seal Material | NBR (Nitrile Butadiene Rubber), PTFE, nylon wear ring |
| Back-Up Ring Material | PTFE (Polytetrafluoroethylene) |
| Wear Ring Material | Nylon |
| Seal Hardness | 70-90 Shore A NBR; PTFE and nylon per Crown specification |
| Back Up Ring Material | PTFE (Polytetrafluoroethylene) |
| Kit Contents | NBR U-cup seals, PTFE back-up rings, nylon wear rings |
Frequently Asked Questions
Q: What models is the CR 111790-001 compatible with?
A: The CR 111790-001 is compatible with Crown WAVE electric lift truck hydraulic cylinders. It provides direct fitment on pallet jack cylinder assemblies.
Q: What materials are used in the CR 111790-001 seal kit?
A: This kit includes NBR U-cup seals, PTFE back-up rings, and a nylon wear ring. These materials are selected to meet Crown specifications for hydraulic cylinder sealing.
Q: What issues can the CR 111790-001 resolve?
A: This seal kit addresses hydraulic fluid leakage, reduced lift performance, hissing sounds during operation, and low fluid levels requiring frequent top-ups.
Q: How do I know if the CR 111790-001 is right for my lift truck?
A: Verify your model designation to ensure compatibility. This kit is designed for Crown WAVE electric lift truck hydraulic cylinders.
Q: What should I consider when replacing seals?
A: Ensure the replacement kit matches your lift truck model. Regular maintenance and fluid analysis can help extend seal life.