Product Description
HL 99 replacement hydraulic seal kit for Global Industrial 334475 and Hu-Lift HP25L manual pallet jacks. Includes polyurethane and nitrile seals engineered for up to 3000 PSI hydraulic working pressure, compatible with standard bore/rod dimensions and thread specifications, per OEM HL-99 standard. Cross-referenced with Hu-Lift 99 and HH99. Intended for overhaul and maintenance of Hu-Lift HP25L hydraulic pump assemblies.
Compatibility: Fits pallet jacks made by Hu-Lift, model HP25L. SKU: HL 99
Specifications
Hydraulic
| Seal Kit Application | Intended for hydraulic unit overhaul on Hu-Lift model HP25L manual pallet jack |
| System Pressure | Compatible with hydraulic systems rated up to 3000 PSI working pressure |
| Seal Material | Thermoplastic polyurethane (TPU), nitrile rubber (NBR), and PTFE for select seals |
| Seal Kit Part Number | HL-99 |
Material & Construction
| Seal Hardness | Polyurethane seals: Shore A 85; nitrile rubber: Shore A 70 |
| Seal Finish | Precision-molded thermoplastic with factory-applied lubricant coating |
| Rod Wiper Material | High-density polyurethane |
| Material Specification | TPU per ASTM D624, NBR per ASTM D2000 |
Part Numbers & Compatibility
| Cross-Reference Part Numbers | Equivalent to Hu-Lift 99, HH99; compatible with Global 334475 and Hu-Lift HP25L hydraulic pump assemblies |
| OEM Part Number | HL-99 |
| Manufacturer Part Number | HL-99 |
| Replaces/Supersedes | Supersedes Hu-Lift 99, replaces HH99 |
| Compatible Models | Designed for Global Industrial 334475, Hu-Lift HP25L manual pallet jacks |
| Interchange Part Numbers | Hu-Lift 99, HH99 |
Performance
| Service Life | Designed for minimum 10,000 cycles under rated hydraulic load |
Frequently Asked Questions
Q: What does the HL 99 hydraulic seal kit include?
A: The HL 99 replacement hydraulic seal kit includes polyurethane and nitrile seals engineered for high-pressure hydraulic pump assemblies. It is designed for overhaul and maintenance of Hu-Lift HP25L hydraulic pump systems and is rated for up to 3000 PSI working pressure.
Q: Which pallet jack models does the HL 99 seal kit fit?
A: The HL 99 is compatible with Hu-Lift HP25L manual pallet jacks and Global Industrial model 334475 hydraulic pump assemblies. It is cross-referenced as equivalent to Hu-Lift 99 and HH99. Verify your pump assembly model and bore/rod dimensions match the standard OEM specifications before ordering.
Q: What pressure rating does the HL 99 seal kit handle?
A: The HL 99 seal kit is rated for hydraulic working pressures up to 3000 PSI. The polyurethane and nitrile seal materials are engineered to maintain integrity at these pressure levels during normal pallet jack operation.
Q: What are the cross-reference part numbers for the HL 99?
A: The HL 99 is equivalent to Hu-Lift 99 and HH99 seals. The OEM part number is HL-99. This seal kit replaces and supersedes the earlier Hu-Lift 99 specification and HH99 equivalent seals for Hu-Lift HP25L hydraulic pump maintenance.