Product Description
Pallet Mule Ram PU AA-45 is an OEM replacement hydraulic lift ram for Pallet Mule AA5000 and AA5500 manual pallet jacks. Machined from carbon steel with a precision sealing surface, this ram serves as the main piston for the hydraulic lift system, designed for standard manual pallet jack hydraulic circuits up to 3000 PSI. Direct OEM fit and finish.
Compatibility: Fits pallet jacks made by Pallet Mule, model AA5000. SKU: PU AA-45
Specifications
Material
| Surface Finish | Polished steel with protective oil film |
Part Numbers
| OEM Part Number | PU AA-45 |
| Manufacturer Part Number | AA-45 |
| Compatible Models | Pallet Mule AA5000, AA5500 series manual pallet jacks |
Frequently Asked Questions
Q: What is the PU AA-45 and what is its primary function in the pallet jack?
A: The PU AA-45 is an OEM replacement hydraulic lift ram manufactured from carbon steel. It serves as the main piston for the hydraulic lift system in Pallet Mule AA5000 and AA5500 manual pallet jacks, converting hydraulic pressure into vertical lifting force.
Q: What material is the PU AA-45 made from and why is carbon steel used?
A: The PU AA-45 is machined from carbon steel with a polished sealing surface and protective oil film. Carbon steel provides the necessary strength to withstand hydraulic pressures up to 3000 PSI while maintaining a smooth surface finish for reliable seal contact with O-rings and U-Cup seals in the hydraulic chamber.
Q: Is the PU AA-45 compatible with standard manual pallet jack hydraulic circuits?
A: Yes. The PU AA-45 is designed for standard manual pallet jack hydraulic circuits rated up to 3000 PSI. It is a direct OEM fit for Pallet Mule AA5000 and AA5500 models and maintains factory finish and specifications.
Q: What is the exact compatibility range for the PU AA-45?
A: The PU AA-45 is manufactured as an exact OEM replacement for Pallet Mule AA5000 and AA5500 series manual pallet jacks. Verify your equipment model number matches before ordering to ensure correct fitment and hydraulic system compatibility.
Q: What protective finish does the PU AA-45 have and why is it important?
A: The PU AA-45 features a polished steel surface finish with a protective oil film applied at the factory. This finish prevents corrosion, maintains the precision sealing surface required for proper seal contact, and protects the steel from hydraulic fluid degradation during storage and operation.
Q: What symptoms indicate the PU AA-45 ram requires replacement?
A: Signs of ram failure include inability to achieve full lift height, jerky or uneven lifting action, visible oil leaks from around the ram rod, or permanent loss of lifting pressure. These symptoms typically indicate the sealing surface is damaged or the ram is bent and replacement is required for reliable hydraulic function.