Product Description
CR 44648-SUPER Super Seal Kit is engineered for complete hydraulic unit rebuilds on Crown PTH50 manual pallet jacks, providing direct OEM-equivalent replacement for all major internal seals, O-rings, backup rings, spacers, and gaskets. Manufactured from abrasion-resistant nitrile and PTFE, this kit supports system pressures up to 3000 PSI and bore diameters common to Crown models, restoring optimal hydraulic function and sealing integrity.
Specifications
Part Numbers & Compatibility
| Make | Crown |
| Model | PTH-50 |
| Fluid Compatibility | Mineral oil-based hydraulic fluid, ISO 32 or equivalent (Crown factory spec) |
| Manufacturer Part Number | CR 44648-SUPER |
| Part Number | 044648-SUPER |
| Cross-Reference Part Numbers | Equivalent to 44648-SUPER, replaces CR 44648AM, fits Crown PTH50 (older and newer hydraulic units) |
| Compatible Equipment | Direct fit for Crown model PTH50 manual pallet jack (hydraulic unit) |
Performance Specifications
| Seal Pressure Rating | Rated for static and dynamic pressures up to operating limits of the PTH50 hydraulic system |
Additional Specifications
| Seal Material | Nitrile (NBR) elastomer, PTFE backup rings, fiber-reinforced gaskets |
| Maximum Pressure | 3000 PSI |
Frequently Asked Questions
Q: What pallet jack models does the 044648-SUPER fit?
A: The 044648-SUPER is a direct replacement for Crown PTH-50 manual pallet jacks. It is compatible with both older and newer generation hydraulic units on these models.
Q: What materials are the seals in the 044648-SUPER kit made from?
A: Seals and O-rings are manufactured from abrasion-resistant nitrile and PTFE. Nitrile provides flexibility and chemical resistance to hydraulic fluid, while PTFE offers superior wear resistance and low friction for pump and cylinder pistons.
Q: What cross-reference part numbers match the 044648-SUPER seal kit?
A: The 044648-SUPER is equivalent to and replaces Crown part CR 44648AM. It also cross-references to reference number G904897673 for parts lookup compatibility.
Q: What is the 044648-SUPER seal kit used for?
A: The 044648-SUPER is a complete seal kit designed for hydraulic unit rebuilds on Crown PTH-50 manual pallet jacks. It includes all major internal seals, O-rings, backup rings, spacers, and gaskets required for full restoration.
Q: How do I know if the 044648-SUPER is the right replacement for my pallet jack?
A: The 044648-SUPER is a direct replacement for Crown PTH-50 manual pallet jacks. It is compatible with both older and newer generation hydraulic units on these models.
