Product Description
Super Seal Kit 1993-1947 is a comprehensive hydraulic rebuild kit for manual pallet jacks. Designed as a direct replacement for Crown PTH-50 (serial #7-000000 thru 7-512500), it includes all major seals and wear rings to restore original hydraulic performance. Equivalent to Crown 44648-SUPER and CR 44648-SUPER, with materials compatible with standard mineral hydraulic fluids.
Specifications
Part Numbers
| Manufacturer Part Number | 1993-1947 |
| Cross-Reference Part Numbers | Crown 44648-SUPER, CR 44648-SUPER, 44648-SUPER |
| Equivalent Applications | Super Seal Kit for Crown PTH-50 (Serial 7-000000 through 7-512500) |
Material & Construction
| Material Compatibility | Compatible with mineral oil-based hydraulic fluids |
| Seal Construction | Reinforced polymer and elastomer composite for lip seals, premium-grade NBR for O-rings |
Performance
| Hydraulic Unit Compatibility | Supports full hydraulic rebuild of Crown PTH-50 units in serial range 7-000000 through 7-512500 |
Frequently Asked Questions
Q: What components does the 1993-1947 Super Seal Kit include?
A: The 1993-1947 Super Seal Kit is a comprehensive hydraulic rebuild kit containing all major seals and wear rings needed to restore original hydraulic performance in manual pallet jacks. It serves as a direct replacement for Crown PTH-50 models with serial numbers 7-000000 through 7-512500.
Q: Is the 1993-1947 compatible with Crown PTH-50 pallet jacks?
A: Yes. The 1993-1947 is a direct replacement for Crown PTH-50 models with serial range 7-000000 through 7-512500. Cross-reference part numbers include Crown 44648-SUPER and CR 44648-SUPER. Verify your serial number before ordering to confirm compatibility.
Q: What hydraulic fluid should be used with this seal kit?
A: The 1993-1947 seal kit materials are compatible with standard mineral oil-based hydraulic fluids. Do not use synthetic or water-based fluids unless your equipment manufacturer specifically approves them.
Q: How often do seals in a pallet jack need to be replaced?
A: Seal replacement depends on equipment usage and hydraulic fluid condition. Typical warning signs include visible leakage around hydraulic cylinders, reduced lifting pressure, or slow descent speeds. Schedule a rebuild kit installation when these symptoms appear or after extended heavy-duty use.
Q: What cross-reference numbers match the 1993-1947 seal kit?
A: The 1993-1947 corresponds to Crown 44648-SUPER and CR 44648-SUPER part numbers. When ordering replacements or verifying compatibility with other equipment, use these cross-reference numbers to confirm fitment.