Product Description
Pallet Mule PU B1-50 hydraulic seal kit engineered for manual pallet jack hydraulic cylinder assemblies. Interchangeable with PUB-1-50-5/8 and B-1-50-5/8. Compatible with Pallet Mule 5000, 4500, and 6500 model hydraulic units. Includes O-ring, piston seal, rod seal, backup ring, wiper ring, and plastic washer. Bore diameter 1.50 in, rod diameter 5/8 in, seals rated to 3000 PSI working pressure. Designed to restore hydraulic sealing integrity and lifting performance in demanding industrial enviro
Specifications
Compatibility
| Compatible Models | Pallet Mule 4500, 5000, 5000X, 6500, WIC series hydraulic units |
Dimensional
| Bore Diameter | 1.50 in |
| Rod Diameter | 5/8 in |
| Kit Fitment Reference | Direct replacement for PU B1-50 series seal configuration |
Performance
| Seals Rated Pressure | 3000 PSI |
Material
| Washer Material | Plastic integral washer |
Part Numbers
| Manufacturer Part Number | PU B1-50, PU B1-50-5/8 |
| Cross-Reference Part Numbers | PUB-1-50-5/8, B-1-50-5/8 |
Frequently Asked Questions
Q: What does the PU B1-50 seal kit include?
A: The PU B1-50 hydraulic seal kit includes an O-ring, piston seal, rod seal, backup ring, wiper ring, and plastic integral washer. All components are engineered for 1.50 inch bore diameter and 5/8 inch rod diameter hydraulic cylinders.
Q: Which pallet jack models are compatible with this seal kit?
A: The PU B1-50 is compatible with Pallet Mule 4500, 5000, 5000X, 6500, and WIC series hydraulic units. Cross-reference part numbers include PUB-1-50-5/8 and B-1-50-5/8.
Q: What is the working pressure rating for this seal kit?
A: The PU B1-50 seals are rated to 3000 PSI working pressure, suitable for manual pallet jack hydraulic applications.
Q: What symptoms indicate that hydraulic seals need replacement?
A: Signs of worn seals include slow or no lifting response, hydraulic fluid leaking from the cylinder rod, cylinder drift after load engagement, or reduced lifting capacity. Any of these conditions indicate seal degradation and replacement is needed.
Q: What are the bore and rod diameters for this seal kit?
A: This kit is engineered for a 1.50 inch bore diameter and 5/8 inch rod diameter. Verify these dimensions match your hydraulic cylinder specifications before ordering.