Dayton hydraulic seal kit for manual pallet jack 4YX97 & 5NP21
WW 97-100
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Compatibility
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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
Part Numbers & Compatibility
| Make | Dayton |
| Model | 4YX97, 5NP21 |
| Operating Fluid Compatibility | Compatible with ISO VG 32/VG 46 hydraulic oil |
| 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 |
| Interchange Part Numbers | ML BK100, 12E155 |
| Cross Reference Part Numbers | Equivalent to ML BK100, 12E155 |
Performance Specifications
| Pressure Rating | Designed for hydraulic systems up to 3000 PSI working pressure |
Additional Specifications
| Seal Material | NBR (nitrile rubber), polyurethane, PTFE blend compatible with hydraulic oil |
| Seal Hardness | NBR elements Shore A 70 ±5, polyurethane 90 ±5 Shore A |
| Supersedes | Supersedes prior Dayton hydraulic unit seal kit numbers for models 4YX97, 5NP21 |
| 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. |
Frequently Asked Questions
Q: What models is the WW 97-100 compatible with?
A: The WW 97-100 is designed for Dayton manual pallet jack models 4YX97 and 5NP21.
Q: What materials are used in the WW 97-100 seal kit?
A: This kit includes nbr and polyurethane seals engineered for durability in high pressure hydraulic systems.
Q: When should the WW 97-100 be replaced?
A: Replace this seal kit during maintenance or overhaul of Dayton hydraulic units if you notice pressure loss, slow lift speed, or fluid leakage.
Q: What other part numbers are equivalent to the WW 97-100?
A: The WW 97-100 is equivalent to ml bk100 and 12e155. It also supersedes earlier Dayton hydraulic unit seal kit numbers.