Interthor hydraulic seal kit for K77 and K85
IN K-77-TH
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Compatibility
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Product Description
Interthor IN K-77-TH hydraulic seal kit delivers OEM-grade NBR compound seals engineered for precise fitment into Interthor K77 and K85 manual pallet jack hydraulic pump assemblies. Designed to restore system integrity, this kit supports working pressures up to 3000 PSI and suits standard metric threads and groove dimensions. Includes backup rings of polyacetal, with rubber seals rated to 70 Shore A hardness for extended service life.
Compatibility: Fits pallet jacks made by Interthor, model K77. SKU: IN K-77-TH
Specifications
Part Numbers & Compatibility
| Make | Interthor |
| Model | K77, K85, Thork |
| Hydraulic Seal Kit Application | Designed for replacement of hydraulic seals in Interthor K77/K85 pallet jack pump assembly |
| Kit Application | Rebuilds pump unit seals for Interthor K77/K85 hydraulic circuit |
| Part Number | IN K-77-TH |
| Alternate Part Numbers | INK-77-TH |
Performance Specifications
| Service Life Rating | Rated for a minimum of 500 hydraulic operating cycles under normal load conditions |
Additional Specifications
| Maximum System Pressure | Rated for hydraulic systems up to 3000 PSI working pressure |
| Seal Material | NBR (Nitrile Butadiene Rubber) per ASTM D2000 |
| Backup Ring Material | Polyacetal thermoplastic |
| Installation Reference | Designed for direct drop-in installation in Interthor K77/K85 hydraulic unit without modification |
| Manufacturer Reference | IT K-77-TH, ITK-77-TH |
| Seal Hardness | Rubber seals: 70 Shore A hardness per ASTM D2240 |
Frequently Asked Questions
Q: What equipment does the IN K-77-TH hydraulic seal kit fit?
A: The IN K-77-TH is compatible with Interthor K77 and K85 manual pallet jack hydraulic pump assemblies. It is designed for use in these specific models.
Q: What materials are used in the IN K-77-TH seal kit?
A: This kit contains nbr compound rubber seals rated at 70 shore a hardness for durability. Backup rings are made from polyacetal, providing extended service life in hydraulic pump applications.
Q: What do I need to know about thread and groove compatibility?
A: The IN K-77-TH is designed for standard metric threads and groove dimensions used in Interthor hydraulic pump assemblies. Verify your equipment matches the K77 or K85 model designation before ordering.
Q: What part numbers are compatible with the IN K-77-TH?
A: The IN K-77-TH is also known by alternate part numbers including ink-77-th, it k-77-th, and itk-77-th. All refer to the same seal kit.
Q: How do I know if this seal kit is the right replacement for my equipment?
A: Check that your Interthor manual pallet jack is a K77 or K85 model. This seal kit is specifically engineered for these models and provides a reliable replacement solution.