Product Description
CR 40000-SUPER is a Crown OEM super seal kit designed for hydraulic rebuild of Crown manual pallet jacks. The kit includes oil-resistant seals, O-rings, wipers, and backup rings, built for 3000 PSI hydraulic systems with compatibility across standard cylinder bore and rod sizes used in Crown equipment.
Specifications
Hydraulic
| Seal Pressure Rating | Rated for 3000 PSI maximum working pressure |
Material
| Seal Hardness | Durometer hardness 70–90 Shore A |
Material & Construction
| Seal Construction | Molded high-strength elastomeric polymers for dynamic and static sealing |
Part Numbers
| OEM Part Number | CR 40000-SUPER |
| Manufacturer Part Number | CR40000-SUPER |
Frequently Asked Questions
Q: What does the CR 40000-SUPER super seal kit include?
A: The CR 40000-SUPER is a comprehensive Crown OEM super seal kit for manual pallet jack hydraulic rebuild. It includes main seals, O-rings, wipers, and backup rings. All components are molded high-strength elastomeric polymers designed for both dynamic and static sealing in Crown equipment.
Q: What is the difference between CR 40000 and CR 40000-SUPER?
A: The CR 40000 is a basic seal kit with main seals and polyurethane backup seals. The CR 40000-SUPER is a complete super kit that includes additional components: O-rings, wipers, and multiple seal types for comprehensive pump and cylinder rebuild. Order SUPER if you are doing complete hydraulic system overhaul.
Q: What pressure rating does the CR 40000-SUPER handle?
A: The CR 40000-SUPER is rated for 3000 PSI maximum working pressure. All seals and backup rings are engineered to maintain integrity at this pressure range in Crown manual pallet jack hydraulic systems.
Q: What is the seal hardness specification for CR 40000-SUPER seals?
A: Seal hardness ranges from 70 to 90 Shore A durometer rating depending on component function. Main dynamic seals run at 70 Shore A for flexibility. Backup rings and O-rings use 90 Shore A for durability. This mix ensures long service life across pump and cylinder applications.
Q: Can CR 40000-SUPER seals be used in non-Crown equipment?
A: The CR 40000-SUPER is OEM Crown specification and fits Crown manual pallet jacks with standard pump and cylinder bore sizes. Cross-compatibility with other brands like Yale, Toyota, or Raymond is not guaranteed. Confirm cylinder specifications match before ordering for non-Crown equipment.