Lift-Rite Hydraulic Seal Kit for L55/LR2055//LRP5055/LF50 Series Pallet Jacks
LF 20278-TH
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Compatibility
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Visit our diagram page for part references to popular models
Product Description
Lift-Rite LF 20278-TH hydraulic seal kit engineered for manual pallet jack L55/L56 series. Includes cross-reference part numbers (LF 20278, LR 20278, LF PL-20278, LF20278-TH). Designed for hydraulic pump repair, supports 3000 PSI systems, constructed from nitrile rubber per ASTM D2240 Shore A70. Kit comprises O-rings, piston seals, wiper seals, and back-up ring components with typical outer diameter 1.25 inches. Fluid-compatible for ISO VG 32–46 hydraulic oils and fits 3/8 inch NPT ports within
Compatibility: Fits pallet jacks made by Lift-Rite, model L55. SKU: LF 20278-TH
Specifications
Material & Construction
| Material | Nitrile rubber per ASTM D2240 Shore A70 |
Part Numbers & Compatibility
| Make | Lift-Rite, Big Joe |
| Model | L55, LR2055, LRP5055, LF50 |
| Part Number | LF 20278-TH |
| Cross-Reference Part Numbers | LF 20278, LR 20278, LF PL-20278, LF PL20278, Lift-Rite 20278, LiftRite 20278, 20278, LR20278-TH, LF20278-TH |
| Equivalent Part Numbers | LF PL-20278, LF PL20278, LR PL-20278, LR PL20278 |
| Fluid Compatibility | ISO VG 32-46 mineral-based hydraulic oils |
Wheel Dimensions
| Typical Outer Diameter | 1.25 inches |
Performance Specifications
| Pressure Rating | Supports 3000 PSI hydraulic systems |
Additional Specifications
| Supersedes / Replaces | LF 20278, LR 20278 |
| Components Included | O-rings, piston seals, wiper seals, back-up ring components |
| Seal Finish | Precision molded, matte finish |
| Port Size | 3/8 inch NPT |
| Seal Kit Reference | Drawing available for Lift-Rite L55/L56 hydraulic unit assembly (refer to manufacturer technical documentation) |
Frequently Asked Questions
Q: What pallet jack models does the LF 20278-TH fit?
A: The LF 20278-TH is compatible with Lift-Rite L55, LR2055, LRP5055, and LF50 series manual pallet jacks.
Q: What materials are used in the LF 20278-TH seal kit?
A: The LF 20278-TH is constructed from nitrile rubber, meeting ASTM D2240 Shore A70 specifications for durability and compatibility with standard hydraulic oils.
Q: What hydraulic fluids are compatible with the LF 20278-TH?
A: The LF 20278-TH is compatible with ISO VG 32-46 mineral-based hydraulic oils. Using non-compatible fluids may damage the seals and affect system performance.
Q: What cross-reference part numbers are equivalent to the LF 20278-TH?
A: Equivalent part numbers include LF 20278, LR 20278, LF PL-20278, LF PL20278, Lift-Rite 20278, LiftRite 20278, LR20278-TH, and LF20278-TH. These are interchangeable for ordering.
Q: What does the LF 20278-TH replace?
A: The LF 20278-TH replaces and supersedes part numbers LF 20278 and LR 20278.
Q: What pressure rating does the LF 20278-TH support?
A: The LF 20278-TH is rated for use in hydraulic systems operating up to 3000 PSI.