Product Description
Seal Kit RA 1015666-621 is an OEM-spec hydraulic repair kit for Raymond electric lift truck cylinders, including rod, piston, and wiper seals compatible with hydraulic bores up to 3.00 inches and 1.25 inch rods. Kit features polyurethane and nitrile components for use with mineral oil and water-glycol hydraulic fluids, suitable for 3000 PSI working pressures, and supersedes part RA 1015666-421. Applicable to currently supported Raymond electric lift trucks.
Compatibility: Fits pallet jacks made by Raymond, model 8300, 8400, 8500. SKU: RA 1015666-621
Specifications
Hydraulic
| Seal Material Specification | Nitrile rubber (NBR) and polyurethane, suitable for hydraulic fluid service |
Material
| Elastomer Hardness | 90 Shore A for polyurethane primary seals |
| Secondary O-ring Material | Nitrile rubber per ASTM D2000 |
Part Numbers
| OEM Part Number | RA 1015666-621 |
| Manufacturer Part Number | RA1015666-621 |
| Cross-Reference Part Numbers | Equivalent to Raymond 1015666/621, SK18120325JE |
| Replaces/Supersedes Part Numbers | Supersedes Raymond 1015666-421 |
Performance
| Duty Cycle Rating | Continuous compliance for electric lift truck hydraulic service |
Frequently Asked Questions
Q: What is RA 1015666-621 and what does it repair?
A: RA 1015666-621 is an OEM-spec hydraulic repair kit for Raymond electric lift truck cylinders. It restores hydraulic seal integrity by replacing worn rod, piston, and wiper seals in the main lift cylinders, stopping leaks and restoring lift performance.
Q: What are the cylinder bore and rod size specifications for RA 1015666-621?
A: RA 1015666-621 is designed for hydraulic cylinders with bores up to 3.00 inches and rod diameters of 1.25 inches. Measure your cylinder bore and rod before ordering to ensure this kit matches your equipment specifications.
Q: What seal materials are in the RA 1015666-621 kit?
A: RA 1015666-621 contains nitrile rubber (NBR) and polyurethane seals, both compatible with mineral oil and water-glycol hydraulic fluids. These materials provide durable performance in Raymond hydraulic systems rated up to 3000 PSI working pressures.
Q: What part does RA 1015666-621 supersede?
A: RA 1015666-621 supersedes RA 1015666-421. The 621 kit expands cylinder coverage to bore sizes and rod dimensions, making it the preferred replacement for most Raymond electric lift truck seal kit applications. Use 621 for new repairs unless your cylinder specifications specifically require the older 421 kit.
Q: What are the cross-reference part numbers for RA 1015666-621?
A: Cross-reference part numbers include RA 1015666-621 (OEM), RA1015666-621 (manufacturer), SK18120325JE (equivalent reference), and the superseded part RA 1015666-421. Verify all numbers match in your system to confirm correct kit selection.