Product Description
Dayton WW 97-100 is an OEM hydraulic seal kit engineered for maintenance and overhaul of manual pallet jack models 4YX97 and 5NP21. Provides NBR and polyurethane seals for high pressure hydraulic systems up to 3000 PSI, supporting primary piston, rod, wiper, and backup sealing in Dayton hydraulic units. Includes direct cross-reference to ML BK100 and supersedes earlier Dayton kit numbers.
Specifications
Hydraulic
| Seal Material | NBR (nitrile rubber), polyurethane, PTFE blend compatible with hydraulic oil |
| Pressure Rating | Designed for hydraulic systems up to 3000 PSI working pressure |
Material & Construction
| Seal Hardness | NBR elements Shore A 70 ±5, polyurethane 90 ±5 Shore A |
| Operating Fluid Compatibility | Compatible with ISO VG 32/VG 46 hydraulic oil |
Part Numbers
| OEM Part Number | WW 97-100 |
| Manufacturer Part Number | WW97100 |
| Application Model | Fits Dayton 4YX97, 5NP21 manual pallet jack hydraulic units |
| Cross-Reference Part Numbers | Equivalent to ML BK100, 12E155 |
| Supersedes | Supersedes prior Dayton hydraulic unit seal kit numbers for models 4YX97, 5NP21 |
| Interchange Part Numbers | ML BK100, 12E155 |
Frequently Asked Questions
Q: What applications does the WW 97-100 seal kit fit?
A: The WW 97-100 is an OEM hydraulic seal kit engineered for Dayton manual pallet jack models 4YX97 and 5NP21. It is designed for maintenance and overhaul of the hydraulic units in these models.
Q: What PSI rating does this hydraulic seal kit support?
A: The WW 97-100 provides NBR and polyurethane seals rated for high pressure hydraulic systems up to 3000 PSI.
Q: What seal components are included in this kit?
A: This kit includes primary piston seals, rod seals, wiper seals, and backup seals for Dayton hydraulic units. The kit contains both NBR and polyurethane seal materials.
Q: What are the cross-reference part numbers for WW 97-100?
A: The WW 97-100 is equivalent to ML BK100 and 12E155. This kit also supersedes earlier Dayton hydraulic unit seal kit numbers for models 4YX97 and 5NP21.
Q: Is WW 97-100 compatible with other pallet jack manufacturers?
A: The WW 97-100 is engineered specifically for Dayton manual pallet jack models 4YX97 and 5NP21. Verify your equipment OEM brand and model before ordering to ensure proper fitment.
Q: When should this hydraulic seal kit be replaced?
A: This kit is used during maintenance and overhaul of Dayton hydraulic units. Replace seals if you experience loss of pressure, slow lift speed, or visible fluid leakage from the hydraulic cylinder or pump.