Product Description
Hyster HY 3054871 packing kit is a precision-engineered hydraulic seal kit for electric lift truck mast and lift cylinder applications. Designed for reliable fluid retention under high-pressure operation, this kit includes multiple seals and backup rings constructed from high-durability NBR and thermoplastic materials. Suitable for select Hyster electric lift trucks and compatible with standard hydraulic fluids.
Specifications
Material & Construction
| Seal Material | Nitrile rubber (Buna-N) primary with backup thermoplastic rings |
| O-Ring Material | NBR 70 durometer |
| Backing Ring Material | Glass-filled PTFE backing rings (where equipped) |
| Hardness | 70 Shore A (primary NBR seals) |
Part Numbers & Compatibility
| OEM Part Number | HY 3054871 |
| Manufacturer Part Number | 3054871 |
Frequently Asked Questions
Q: What is the HY 3054871 packing kit made from?
A: The HY 3054871 packing kit contains seals and backup rings constructed from NBR (Nitrile rubber Buna-N) primary material with glass-filled PTFE backing rings. The primary seals are 70 Shore A durometer hardness, providing rigidity and pressure resistance for hydraulic cylinder applications. This material combination is standard for Hyster electric lift truck mast and lift cylinders operating with standard hydraulic fluids.
Q: Which Hyster electric lift truck models are compatible with the HY 3054871 seal kit?
A: The HY 3054871 is designed for select Hyster electric lift truck mast and lift cylinder applications. This seal kit fits multiple lift truck models depending on the cylinder configuration. Verify the cylinder bore size and rod diameter specifications match your equipment before ordering to ensure correct fitment.
Q: What hydraulic fluids are compatible with the HY 3054871 seal kit?
A: The HY 3054871 packing kit is compatible with standard hydraulic fluids used in Hyster electric lift trucks. NBR seals work with ISO VG 32 and ISO VG 46 hydraulic oils. Do not use non-standard fluids, such as biodegradable or synthetic fluids, unless specified in your truck maintenance manual, as seal material compatibility may be compromised.
Q: How long does the HY 3054871 seal kit typically last in service?
A: The HY 3054871 seal kit lifespan depends on usage intensity, hydraulic pressure cycles, fluid contamination, and operating temperature. Under normal warehouse material handling conditions, seal kits typically perform for several years. Excessive heat, contaminated hydraulic fluid, or high-pressure duty cycles will reduce lifespan. Inspect cylinders regularly for leakage and replace seals when fluid loss occurs.
Q: What is included in the HY 3054871 packing kit?
A: The HY 3054871 is a precision-engineered hydraulic seal kit containing multiple seals and backup rings. The exact contents depend on the cylinder application. Typical contents include primary O-rings, dynamic seals, backup rings, and supporting hardware designed for mast cylinders and lift cylinders. Review the complete parts list with your order to confirm all components are present.